学生学籍管理系统代码
学生学籍管理系统详细代码 本文为学生学籍管理系统的各个模块效果图和详细代码;
登录模块:
登录模块代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class Form1 : Form
{
public Color temp;//存储临时的按钮颜色
public Form1()
{
InitializeComponent();
}
private void button3_Click(object sender, EventArgs e)
{
Application.Exit();
}
public User CurrentUser;
private void button2_Click(object sender, EventArgs e)
{
MessageBox.Show("学生/教师用自己的学号/教师编号登录～,如过
没有注册则点击“注册”进行注册～", "提示");
}
private void button1_Click(object sender, EventArgs e)
{
bool UserExit = false, KeyRight = false;
//声明上下文集合
DataClasses1DataContext myDataContext = new DataClasses1DataContext();
//把用户
表
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里所有内容提取到User集合里
//排查输入错误
//用户名为空
if (textBox1.Text == "")
MessageBox.Show("用户名不能为空～", "提示");
//用户名不为空
else
{
//密码为空
if (textBox2.Text == "")
MessageBox.Show("密码不能为空", "提示");
//密码不为空
else
{
//学生身份登录
if (radioButton1.Checked==true)
{
var User = from user in myDataContext.UsersTable
where user.Identity == "学生"
select user;
foreach (var stu in User)
{
if (stu.UerID == textBox1.Text)
{
UserExit = true;
if (stu.Password == textBox2.Text)
{
KeyRight = true;
CurrentUser = new User(textBox1.Text,
textBox2.Text, radioButton1.Text);
}
}
}
if (UserExit == false)
MessageBox.Show("用户名不存在～");
else
{
if (KeyRight == false)
MessageBox.Show("密码错误～");
else
{
//MessageBox.Show("登录成功");
MainForm fm = new MainForm(CurrentUser);
fm.FormClosed += new FormClosedEventHandler(fm_FormClosed);
this.Hide();
fm.Initial(CurrentUser,0);
fm.Show();
}
}
}
//教师登录
else
{
var User1 = from teacher in myDataContext.UsersTable
where teacher.Identity == "教师"
select teacher;
foreach (var teac in User1)
{
if (teac.UerID == textBox1.Text)
{
UserExit = true;
if (teac.Password == textBox2.Text)
{
KeyRight = true;
//
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登录用户用户名身份信息
CurrentUser = new User(textBox1.Text,
textBox2.Text, radioButton2.Text);
}
}
}
if (UserExit == false)
MessageBox.Show("用户名不存在");
else
{
if (KeyRight == false)
MessageBox.Show("密码错误");
else
{
//登录教师界面
//MessageBox.Show("登录成功～");
MainForm fm = new MainForm(CurrentUser);
fm.Initial(CurrentUser,1);
this.Hide();
fm.Show();
}
}
}
}
}
}
void fm_FormClosed(object sender, FormClosedEventArgs e)
{
this.Close();
}
//注册按钮实现
private void button4_Click(object sender, EventArgs e)
{
LogForm fm = new LogForm();
fm.ShowDialog();
}
//鼠标进去按钮事件
private void button1_MouseEnter(object sender, EventArgs e)
{
temp = button1.BackColor;
button1.BackColor = System.Drawing.Color.Pink;
}
//鼠标离开按钮的事件
private void button1_MouseLeave(object sender, EventArgs e)
{
button1.BackColor = temp;
}
private void button3_MouseEnter(object sender, EventArgs e)
{
temp = button3.BackColor;
button3.BackColor = System.Drawing.Color.Pink;
}
//鼠标离开事件
private void button3_MouseLeave(object sender, EventArgs e)
{
button3.BackColor = temp;
}
private void button4_MouseEnter(object sender, EventArgs e)
{
temp = button4.BackColor;
button4.BackColor = Color.Orange;
}
private void button4_MouseLeave(object sender, EventArgs e)
{
button4.BackColor = temp;
}
private void button2_MouseEnter(object sender, EventArgs e)
{
temp = button2.BackColor;
button2.BackColor = Color.Pink;
}
private void button2_MouseLeave(object sender, EventArgs e)
{
button2.BackColor = temp;
}
}
}
注册模块代码:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class LogForm : Form
{
public LogForm()
{
InitializeComponent();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
checkBox1.Checked = false;
textBox2.Enabled = false;
bool isRegeisted=false;//帐号是否被注册标记
bool isexited=false;//帐号是否存在标记
//提取出用户数据表里所有用户资料
DataClasses1DataContext myDataContext = new
DataClasses1DataContext();
var UsersQuery = from User in myDataContext.UsersTable
select User;
//文本数据发生变化时候，检查输入是否可以申请
//学生身份申请帐号
if (radioButton1.Checked == true)
{
//在用户表里检查该学生帐号是否被注册了
foreach (var user in UsersQuery)
{
//学生用户帐号已经被注册
if (user.UerID == textBox1.Text && user.Identity ==
radioButton1.Text)
isRegeisted = true;
}
//检出该学号被注册了
if (isRegeisted == true)
checkBox1.Text = "已注册的号码";
//MessageBox.Show("该学号已经被注册了～");
//帐号没有被注册,在学生表里检查该学号存在与否
else
{
DataClasses2DataContext myDataContext2 = new
DataClasses2DataContext();
//从学生表里提取所有数据
var StuQuery = from Stud in myDataContext2.StudentsTable
select Stud;
foreach (var stu in StuQuery)
{
//学号被找到了，说明该学号存在且没有被注册，可
以注册该学号
if (stu.StudentN == textBox1.Text)
isexited = true;
}
if (isexited == false)
//MessageBox.Show("该学号不存在～");
checkBox1.Text = "不存在的学号";
else
{
//checkBox1打勾，说明可用
checkBox1.Checked = true;
checkBox1.Text = "";
textBox2.Enabled = true;
}
}
}
//教师注册
else
{
//检查用户表看帐号有没有被注册
foreach (var user in UsersQuery)
{
//教师帐号已经被注册了
if (textBox1.Text == user.UerID && radioButton2.Text ==
user.Identity)
isRegeisted = true;
}
//被注册的处理
if (isRegeisted == true)
checkBox1.Text = "帐号被注册";
else
{
//未被注册的帐号，到教师信息表里查找该教师编号是否
存在
DataClasses3DataContext TeacherDataContext = new
DataClasses3DataContext();
//取出教师信息表里的所有数据，放到集合里
var TeacherQuery = from teac in TeacherDataContext.TeachersTable
select teac;
foreach (var teacher in TeacherQuery)
{
//查找到存在这个教师编号
if (teacher.TeacherN == textBox1.Text)
isexited = true;
}
//不存在这个编号的老师的处理
if (isexited == false)
checkBox1.Text = "不存在的编号";
else
{
//checkBox1打勾，说明可用
checkBox1.Checked = true;
checkBox1.Text = "";
textBox2.Enabled = true;
}
}
}
}
//密码输入按钮
private void textBox2_TextChanged(object sender, EventArgs e)
{
textBox3.Enabled = false;
checkBox2.Checked = false;
//检查密码
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,密码长度为6-16字符
if (textBox2.Text.ToString() == "")
checkBox2.Text = "密码非空!";
else
{
if (textBox2.Text.Contains(" "))
checkBox2.Text = "密码不能包含空格";
else
{
if (textBox2.Text.Length > 16 || textBox2.Text.Length < 6)
"; checkBox2.Text = "密码长度6-16～
else
{
//密码格式正确，checkedBox打勾且激活textBox3
checkBox2.Text = "";
checkBox2.Checked = true;
textBox3.Enabled = true;
}
}
}
}
//验证密码的文本改变事件
private void textBox3_TextChanged(object sender, EventArgs e)
{
button1.Enabled = false;
checkBox3.Checked = false;
//检验密码和验证密码是否相等
if (textBox2.Text != textBox3.Text)
checkBox3.Text = "密码确认失败～";
//密码和确认密码相同，可以注册，激活注册按钮，同时把
checkBox3打勾
else
{
button1.Enabled = true;
checkBox3.Checked = true;
checkBox3.Text = "";
}
}
//帮助按钮实现
private void button2_Click(object sender, EventArgs e)
{
MessageBox.Show("师生只能通过自己的唯一学号/教师编号注册，
"); 如果发现自己帐号被非法注册，请联系管理员～", "注册帮助
}
//注册按钮的实现
private void button1_Click(object sender, EventArgs e)
{
//检测数据填写状态，确定是否有了注册需要的足够满足格式的数
据
if (checkBox1.Checked && checkBox2.Checked && checkBox3.Checked)
{
//满足条件，将数据写到数据库的UsersTable里
DataClasses1DataContext myDataContext = new DataClasses1DataContext();
//分注册身份进行建立不同表格行
UsersTable temptable = new UsersTable
{
UerID = textBox1.Text,
Password = textBox2.Text
};
if (radioButton1.Checked)
temptable.Identity = radioButton1.Text;
else
temptable.Identity = radioButton2.Text;
try
{
myDataContext.UsersTable.InsertOnSubmit(temptable);
myDataContext.SubmitChanges();
//button1.Enabled = false;
MessageBox.Show("注册成功～请牢记你的密码～");
//清空各个内容
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
checkBox1.Checked = false;
checkBox1.Text = "";
checkBox2.Checked = false;
checkBox3.Checked = false;
checkBox2.Text = "";
checkBox3.Text = "";
}
catch (Exception ex)
{
MessageBox.Show("异常" + ex.Message);
}
}
}
//屏蔽掉点击事件，使得点击无效
private void checkBox1_Click(object sender, EventArgs e)
{
if (checkBox1.Checked)
checkBox1.Checked = false;
else
checkBox1.Checked = true;
}
//屏蔽掉点击事件，使得点击无效
private void checkBox2_Click(object sender, EventArgs e)
{
if (checkBox2.Checked)
checkBox2.Checked = false;
else
checkBox2.Checked = true;
}
//屏蔽掉点击事件，使得点击无效
private void checkBox3_Click(object sender, EventArgs e)
{
if (checkBox3.Checked)
checkBox3.Checked = false;
else
checkBox3.Checked = true;
}
private void label2_Click(object sender, EventArgs e)
{
}
private void label1_Click(object sender, EventArgs e)
{
}
//屏蔽掉点击事件，使得点击无效
private void radioButton1_Click(object sender, EventArgs e)
{
//检测学生帐号是否被注册
checkBox1.Checked = false;
textBox2.Enabled = false;
bool isRegeisted = false;//帐号是否被注册标记
bool isexited = false;//帐号是否存在标记
//提取出用户数据表里所有用户资料
DataClasses1DataContext myDataContext = new
DataClasses1DataContext();
var UsersQuery = from User in myDataContext.UsersTable
select User;
//在用户表里检查该学生帐号是否被注册了
foreach (var user in UsersQuery)
{
//学生用户帐号已经被注册
") if (user.UerID == textBox1.Text && user.Identity =="学生
isRegeisted = true;
}
//检出该学号被注册了
if (isRegeisted == true)
checkBox1.Text = "已注册的号码";
//MessageBox.Show("该学号已经被注册了～");
//帐号没有被注册,在学生表里检查该学号存在与否
else
{
DataClasses2DataContext myDataContext2 = new
DataClasses2DataContext();
//从学生表里提取所有数据
var StuQuery = from Stud in myDataContext2.StudentsTable
select Stud;
foreach (var stu in StuQuery)
{
//学号被找到了，说明该学号存在且没有被注册，可以注
册该学号
if (stu.StudentN == textBox1.Text)
isexited = true;
}
if (isexited == false)
//MessageBox.Show("该学号不存在～");
checkBox1.Text = "不存在的学号";
else
{
//checkBox1打勾，说明可用
checkBox1.Checked = true;
checkBox1.Text = "";
textBox2.Enabled = true;
}
}
}
//屏蔽掉点击事件，使得点击无效
private void radioButton2_Click(object sender, EventArgs e)
{
checkBox1.Checked = false;
textBox2.Enabled = false;
bool isRegeisted = false;//帐号是否被注册标记
bool isexited = false;//帐号是否存在标记
//提取出用户数据表里所有用户资料
DataClasses1DataContext myDataContext = new
DataClasses1DataContext();
var UsersQuery = from User in myDataContext.UsersTable
select User;
//教师注册
//检查用户表看帐号有没有被注册
foreach (var user in UsersQuery)
{
//教师帐号已经被注册了
if (textBox1.Text == user.UerID && user.Identity=="教师")
isRegeisted = true;
}
//被注册的处理
if (isRegeisted == true)
checkBox1.Text = "帐号被注册";
else
{
//未被注册的帐号，到教师信息表里查找该教师编号是否
存在
DataClasses3DataContext TeacherDataContext = new
DataClasses3DataContext();
//取出教师信息表里的所有数据，放到集合里
var TeacherQuery = from teac in
TeacherDataContext.TeachersTable
select teac;
foreach (var teacher in TeacherQuery)
{
//查找到存在这个教师编号
if (teacher.TeacherN == textBox1.Text)
isexited = true;
}
//不存在这个编号的老师的处理
if (isexited == false)
checkBox1.Text = "不存在的编号";
else
{
//checkBox1打勾，说明可用
checkBox1.Checked = true;
checkBox1.Text = "";
textBox2.Enabled = true;
}
}
}
//检测学生帐号输入是否正确
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
}
//检测教师帐号是否存在
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
}
}
}
主界面模块:
教师登录效果
学生登录效果:
详细代码:
using System;
using System.Collections.Generic; using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class MainForm : Form
{
private User currentuser;
public MainForm(User current)
{
InitializeComponent();
currentuser = current;
}
//初始化窗体
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，为不同身份用户提供不同功能的主界面,同时在窗体
里显示用户名和身份
public bool Initial(User currentuser,int i)
{
bool result = true;
if(i==1)
{
//教师用户登录
//显示用户信息
label2.Text=currentuser.GetUserID();
label4.Text=currentuser.GetIdentity();
//初始化menustrip
学生信息录入ToolStripMenuItem.Enabled=true;
学生信息修改删除ToolStripMenuItem.Enabled=true;
学生成绩录入ToolStripMenuItem.Enabled=true;
学生成绩修改删除ToolStripMenuItem.Enabled=true;
计算总分和排名ToolStripMenuItem.Enabled=true;
添加帐号ToolStripMenuItem.Enabled=true;
考试管理ToolStripMenuItem.Enabled = true;
if (currentuser.GetUserID() == "SuperMan")
{
删除帐号ToolStripMenuItem.Enabled = true;
帐号检测ToolStripMenuItem.Enabled = true;
}
}
else
{
//显示学生用户信息
label2.Text=currentuser.GetUserID();
label4.Text=currentuser.GetIdentity();
}
return result;
}
//修改帐号密码的功能实现
private void 修改帐号ToolStripMenuItem_Click(object sender, EventArgs e)
{
//User current = new User(label2.Text, "", label4.Text);
ChangePForm Changeform = new ChangePForm(currentuser);
Changeform.ShowDialog();
}
private void 添加帐号ToolStripMenuItem_Click(object sender, EventArgs e)
{
AddUserForm fm = new AddUserForm();
fm.ShowDialog();
}
private void 删除帐号ToolStripMenuItem_Click(object sender, EventArgs e)
{
DeleUserForm fm = new DeleUserForm();
fm.ShowDialog();
}
private void 帐号检测ToolStripMenuItem_Click(object sender, EventArgs e)
{
CheckForm fm = new CheckForm();
fm.ShowDialog();
}
private void 学生信息查询ToolStripMenuItem_Click(object sender, EventArgs e)
{
CheckStudentsForm fm = new CheckStudentsForm(currentuser);
fm.ShowDialog();
}
private void 学生信息录入ToolStripMenuItem_Click(object sender, EventArgs e)
{
StudentIFForm fm = new StudentIFForm();
fm.ShowDialog();
}
private void 学生信息修改删除ToolStripMenuItem_Click(object sender, EventArgs e)
{
StuChanForm fm = new StuChanForm();
fm.ShowDialog();
}
private void 学生成绩查询ToolStripMenuItem_Click(object sender, EventArgs e)
{
ScoreCheckForm fm = new ScoreCheckForm(currentuser);
fm.ShowDialog();
}
private void 学生成绩录入ToolStripMenuItem_Click(object sender, EventArgs e)
{
ScoreInForm fm = new ScoreInForm();
fm.ShowDialog();
}
private void 学生成绩修改删除ToolStripMenuItem_Click(object sender, EventArgs e)
{
ScorChanForm fm = new ScorChanForm();
fm.ShowDialog();
}
private void 计算总分和排名ToolStripMenuItem_Click(object sender, EventArgs e)
{
//计算总分
TotallForm fm = new TotallForm();
fm.ShowDialog();
}
private void 考试管理ToolStripMenuItem_Click(object sender, EventArgs
e)
{
//考试管理模块实现
TestForm fm = new TestForm();
fm.ShowDialog();
}
}
}
学生信息查询模块:
学生登录效果截图:
(该学生信息未录入)
教师登录效果截图:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class CheckStudentsForm : Form
{
//传递进来用户信息
private User currentuser;
public CheckStudentsForm(User myuser)
{
InitializeComponent();
currentuser = myuser;
if (currentuser.GetIdentity() == "学生")
{
button2.Visible = false;
}
else
{
button1.Visible = false;
}
}
//查询按钮的实现
private void button1_Click(object sender, EventArgs e)
{
DataClasses2DataContext mydata = new DataClasses2DataContext();
var myself=from user in mydata.StudentsTable.ToArray()
where user.StudentN == currentuser.GetUserID()
select user;
dataGridView1.DataSource = myself.ToArray();
dataGridView1.Columns[0].Visible = false;
}
//查询全部按钮的实现
private void button2_Click(object sender, EventArgs e)
{
DataClasses2DataContext mydata = new DataClasses2DataContext();
dataGridView1.DataSource = mydata.StudentsTable;
dataGridView1.Columns[0].Visible = false;
}
}
}
学生信息录入模块:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class StudentIFForm : Form
{
public StudentIFForm()
{
InitializeComponent();
}
//输入学号时候事件
private void textBox1_Leave(object sender, EventArgs e)
{
checkBox1.Text = "";
checkBox1.Checked = false;
if (textBox1.Text == "")
//没有输入或者输入后删除了
checkBox1.Text = "请输入输入学号";
else
{
//文本框里有内容
//内容为数字
if (textBox1.Text.All
(x => x >= '0' && x <= '9'))
{
//判断是否是11位数
if (textBox1.Text.Length == 11)
{
//满足格式要求，查询学生表进一步判断是否存在的
学号
DataClasses2DataContext mydata = new
DataClasses2DataContext();
var Stu = from stu in mydata.StudentsTable.ToArray()
where stu.StudentN == textBox1.Text
select stu;
if (Stu.Count()==0)
{
checkBox1.Checked = true;
checkBox1.Text = "";
}
else
{
checkBox1.Text = "已存在学号";
;
}
}
else
checkBox1.Text = "学号11位";
}
//文本含有非数字
else
checkBox1.Text = "学号为数字";
}
}
//姓名格式判定
private void textBox2_Leave(object sender, EventArgs e)
{
checkBox2.Checked = false;
checkBox2.Text = "";
//没有输入姓名
if (textBox2.Text == "")
checkBox2.Text = "请输入姓名";
//输入了，判段
else
{
if
(textBox2.Text.IndexOfAny("~!@#$%^&*()-=_+/*-+.<>,./?[]{}\\';:|".ToArray())>=0)
checkBox2.Text = "非法输入!";
else
{
//判断长度
if (textBox2.Text.Length > 6)
checkBox2.Text = "长度<1-6>";
else
{
checkBox2.Text = "";
checkBox2.Checked = true;
}
}
}
}
private void comboBox1_Leave(object sender, EventArgs e)
{
}
//屏蔽鼠标点击事件
private void checkBox1_Click(object sender, EventArgs e)
{
if (checkBox1.Checked)
checkBox1.Checked = false;
else
checkBox1.Checked = true;
}
private void checkBox2_Click(object sender, EventArgs e)
{
if (checkBox2.Checked)
checkBox2.Checked = false;
else
checkBox2.Checked = true;
}
private void checkBox3_Click(object sender, EventArgs e)
{
if (checkBox3.Checked)
checkBox3.Checked = false;
else
checkBox3.Checked = true;
}
private void checkBox4_Click(object sender, EventArgs e)
{
if (checkBox4.Checked)
checkBox4.Checked = false;
else
checkBox4.Checked = true;
}
private void button1_Click(object sender, EventArgs e)
{
//添加按钮的实现
//检测checkBox状态
if (checkBox1.Checked && checkBox2.Checked && checkBox3.Checked
&& checkBox4.Checked)
{
//条件满足，可以添加
StudentsTable temp = new StudentsTable
{
StudentN = textBox1.Text,
Name = textBox2.Text,
Adress = textBox3.Text,
ClassN =
Convert.ToInt32(comboBox1.SelectedItem.ToString())
};
if (radioButton1.Checked)
temp.Sex = "男";
else
temp.Sex = "女";
//添加学生信息
DataClasses2DataContext mydata = new DataClasses2DataContext();
mydata.StudentsTable.InsertOnSubmit(temp);
if (MessageBox.Show("确认要添加该学生到数据库吗,", "提示
", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.SubmitChanges();
MessageBox.Show("添加成功～","提示");
//清空各个数据，为下次录入准备
textBox1.Text = "";
textBox2.Text = "";
comboBox1.SelectedItem = null;
textBox3.Text = "";
checkBox1.Checked = false;
checkBox2.Checked = false;
checkBox3.Checked = false;
checkBox4.Checked = false;
checkBox1.Text = "";
checkBox2.Text = "";
checkBox3.Text = "";
checkBox4.Text = "";
}
}
else
{
//条件不足，不能添加
MessageBox.Show("条件不足，不能添加～", "提示");
}
}
private void button2_Click(object sender, EventArgs e)
{
//取消按钮实现
this.Close();
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs
e)
{
//检测是否选择班级,班级默认为1-6班
checkBox4.Text = "";
checkBox4.Checked = false;
if (comboBox1.SelectedItem == null)
//没有选择
checkBox4.Text = "选择班级";
else
{
checkBox4.Checked = true;
checkBox4.Text = "";
}
}
private void textBox3_Leave(object sender, EventArgs e)
{
//检测地址是否有错误
checkBox3.Checked = false;
checkBox3.Text = "";
if (textBox3.Text == "")
checkBox3.Text = "请输入地址";
else
{
//检测地址合法性
if
(textBox3.Text.IndexOfAny("~@!#$%^&*()_-=+-*/+.".ToArray()) >= 0)
checkBox3.Text = "地址含非法字符";
else
{
checkBox3.Text = "";
checkBox3.Checked = true;
}
}
}
//改变性别事件
private void radioButton1_Click(object sender, EventArgs e)
{
//检测学号是否存在
checkBox1.Text = "";
checkBox1.Checked = false;
if (textBox1.Text == "")
//没有输入或者输入后删除了
checkBox1.Text = "请输入输入学号";
else
{
//文本框里有内容
//内容为数字
if (textBox1.Text.All(x => x >= '0' && x <= '9'))
{
//判断是否是11位数
if (textBox1.Text.Length == 11)
{
//满足格式要求，查询学生表进一步判断是否存在的
学号
DataClasses2DataContext mydata = new DataClasses2DataContext();
var Stu = from stu in mydata.StudentsTable.ToArray()
where stu.StudentN == textBox1.Text
select stu;
if (Stu.Count() == 0)
{
checkBox1.Checked = true;
checkBox1.Text = "";
}
else
{
"; checkBox1.Text = "已存在学号
}
}
else
checkBox1.Text = "学号11位";
}
//文本含有非数字
else
checkBox1.Text = "学号为数字";
}
}
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
//检测学号是否存在
checkBox1.Text = "";
checkBox1.Checked = false;
if (textBox1.Text == "")
//没有输入或者输入后删除了
checkBox1.Text = "请输入输入学号";
else
{
//文本框里有内容
//内容为数字
if (textBox1.Text.All(x => x >= '0' && x <= '9'))
{
//判断是否是11位数
if (textBox1.Text.Length == 11)
{
//满足格式要求，查询学生表进一步判断是否存在的
学号
DataClasses2DataContext mydata = new
DataClasses2DataContext();
var Stu = from stu in mydata.StudentsTable.ToArray()
where stu.StudentN == textBox1.Text
select stu;
if (Stu.Count() == 0)
{
checkBox1.Checked = true;
checkBox1.Text = "";
}
else
{
checkBox1.Text = "已存在学号";
}
}
else
checkBox1.Text = "学号11位";
}
//文本含有非数字
else
checkBox1.Text = "学号为数字";
}
}
}
}
学生信息修改删除模块:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace StuIFMS
{
public partial class StuChanForm : Form
{
public StuChanForm()
{
InitializeComponent();
}
public void refresh()
{
comboBox1.Items.Clear();
comboBox1.Text = "";
textBox1.Text = "";
textBox2.Text = "";
comboBox2.Text = "";
var StuQuery = from stu in mydata.StudentsTable
select stu;
comboBox1.Sorted = true;
foreach (var stu in StuQuery)
{
//添加用户名列表到comboBox1
comboBox1.Items.Add(stu.StudentN);
}
}
DataClasses2DataContext mydata = new DataClasses2DataContext();
private void StuChanForm_Load(object sender, EventArgs e)
{
refresh();
}
private void StuChanForm_FormClosing(object sender,
FormClosingEventArgs e)
{
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs
e)
{
//选定改变时候更新下面相应的信息
if (comboBox1.SelectedItem != null)
{
//有选择的时候,显示学生信息
var StuQuery = from stu in mydata.StudentsTable.ToArray()
select stu;
foreach (var stu in StuQuery)
{
if (stu.StudentN == comboBox1.SelectedItem.ToString())
//找到该学生,显示信息
{
textBox1.Text = stu.Name;
textBox2.Text = stu.Adress;
if (stu.Sex == "男")
radioButton1.Checked = true;
else
radioButton2.Checked = true;
comboBox2.SelectedIndex = stu.ClassN - 1;
comboBox2.Text = comboBox2.SelectedItem.ToString();
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
//删除按钮的实现，从数据库中删除选定学号的学生
if (comboBox1.Items == null)
MessageBox.Show("没有可删除选择～");
else
{
if (comboBox1.SelectedItem == null)
MessageBox.Show("没有选择～");
else
{
var StuQuery = from stu in mydata.StudentsTable.ToArray()
where stu.StudentN == comboBox1.SelectedItem.ToString()
select stu;
mydata.StudentsTable.DeleteOnSubmit(StuQuery.ElementAt(0));
if (MessageBox.Show("删除数据不可恢复，继续", "提示",
MessageBoxButtons.OKCancel) == DialogResult.OK)
//保存结果
mydata.SubmitChanges();
//刷新内容
refresh();
}
}
}
private void button2_Click(object sender, EventArgs e)
{
//修改按钮实现
if (comboBox1.Items == null)
MessageBox.Show("数据库里没有内容!", "提示");
else
{
if (comboBox1.SelectedItem == null)
MessageBox.Show("没有选择学生!");
else
{
//选择学生了，提取修改内容，找到学生表里的指定编号
的学生，将数据修改了
if (textBox1.Text == "" || textBox2.Text == "" ||
comboBox2.SelectedItem == null)
//信息不完整
MessageBox.Show("信息不完整，请填写完整再修改～
");
else
{
//各个信息不为空,检查姓名，地址格式
if (textBox1.Text.IndexOfAny(" ~!@#$%^&*()_-+=/*-+,./;'[]\\<>?:\"|".ToArray()) >= 0)
MessageBox.Show("姓名中包含非法字符～");
else
{
if
(textBox2.Text.IndexOfAny("~!@#$%^&*()_+-=[]{}\\|:\",./;<>?'".ToArray()) >= 0)
MessageBox.Show("地址中有非法字符～");
else
{
//姓名地址合法，修改数据库学生表
var StuQuery = from stu in mydata.StudentsTable.ToArray()
where stu.StudentN == comboBox1.SelectedItem.ToString()
select stu;
StuQuery.ElementAt(0).Name = textBox1.Text;
StuQuery.ElementAt(0).Adress = textBox2.Text;
if (radioButton1.Checked)
StuQuery.ElementAt(0).Sex = "男";
else
StuQuery.ElementAt(0).Sex = "女";
StuQuery.ElementAt(0).ClassN = Convert.ToInt32(comboBox2.SelectedItem.ToString());
//保存修改
if (MessageBox.Show("修改数据将写进数据
库，确定修改,", "提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
mydata.SubmitChanges();
//刷新数据
refresh();
}
}
}
}
}
}
}
}
成绩查询模块:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class ScoreCheckForm : Form
{
private User current;
public ScoreCheckForm(User curr)
{
current = curr;
InitializeComponent();
}
private void ScoreCheckForm_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
//查询按钮的实现，学生只能查到自己的成绩，教师能查到所有人的成绩
DataClasses4DataContext mydata = new DataClasses4DataContext();
//教师查询所有的学生成绩
var ScoreQuery = from stu in mydata.ScoreTable
select stu;
if (ScoreQuery.Count() > 0)
{
//先把数据源给它才能设置
dataGridView1.DataSource = ScoreQuery;
dataGridView1.Columns[0].Visible = false;
dataGridView1.Show();
}
else
{
MessageBox.Show("抱歉～数据还没有录入");
}
}
}
}
成绩录入模块:
代码:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class ScoreInForm : Form
{
public ScoreInForm()
{
InitializeComponent();
textBox1.Select();
}
private void button2_Click(object sender, EventArgs e)
{
//取消按钮的实现
this.Close();
}
private void textBox1_Leave(object sender, EventArgs e)
{
bool isexist = false;
label3.Text = "";
//输入文本检测
if (textBox1.Text == "")
checkBox1.Text = "输入学号";
else
{
if (textBox1.Text.All(x => x >= '0' && x <= '9'))
//输入为数字
{
if (textBox1.Text.Length != 11)
checkBox1.Text = "长度错误";
else
{
//查表，检测学生是否存在
DataClasses2DataContext mydata = new DataClasses2DataContext();
var StuQuery = from stu in mydata.StudentsTable
select stu;
foreach (var stu in StuQuery)
{
if (stu.StudentN == textBox1.Text)
{
isexist = true;
label3.Text = stu.Name;
comboBox1.Enabled = true;
}
}
//根据学生存在与否更新消息
if (isexist)
{
checkBox1.Checked = true;
checkBox1.Text = "";
}
else
checkBox1.Text = "学号不存在";
}
}
else
{
checkBox1.Text = "格式错误～";
}
}
}
private void comboBox1_Leave(object sender, EventArgs e)
{
bool isexist = false;
checkBox2.Checked = false;
checkBox2.Text = "";
if (comboBox1.SelectedItem == null)
checkBox2.Text = "请选择";
else
{
if (checkBox1.Checked)
{
//如果学号已经填写的话，检测该学号学生该门科目有没
有录入
DataClasses4DataContext mydata = new DataClasses4DataContext();
var StuQuery = from stu in mydata.ScoreTable.ToArray()
select stu;
foreach (var stu in StuQuery)
{
if (stu.StudentN == textBox1.Text)
isexist = true;
}
if (isexist)
{
foreach (var stu in StuQuery)
{
if (stu.StudentN == textBox1.Text)
{
//找到该学生，查看其该门课程成绩是否录
入
if (comboBox1.SelectedItem.ToString() == "组
成原理")
{
if (stu.组成原理 != null)
{
checkBox2.Text = "成绩已存在";
}
else
{
checkBox2.Checked = true;
checkBox2.Text = "";
}
}
if (comboBox1.SelectedItem.ToString() == "软
件工程")
{
if (stu.软件工程 != null)
checkBox2.Text = "成绩已存在";
else
{
checkBox2.Checked = true;
checkBox2.Text = "";
}
}
if (comboBox1.SelectedItem.ToString() == "英
语")
{
if (stu.英语 != null)
checkBox2.Text = "成绩已存在";
else
{
checkBox2.Text = "";
checkBox2.Checked = true;
}
}
if (comboBox1.SelectedItem.ToString() == "操
作系统")
{
if (stu.操作系统 != null)
checkBox2.Text = "成绩已存在";
else
{
checkBox2.Text = "";
checkBox2.Checked = true;
}
}
if (comboBox1.SelectedItem.ToString() == "毛概")
{
if (stu.毛概 != null)
checkBox2.Text = "成绩已存在";
else
{
checkBox2.Text = "";
checkBox2.Checked = true;
}
}
}
}
}
else
{
//该学生学号在学生表里存在，但是没有出现在成绩表里，新建一条记录
checkBox2.Text = "";
checkBox2.Checked = true;
}
}
else
checkBox2.Text = "请输入学号～";
}
}
private void textBox2_Leave(object sender, EventArgs e)
{
checkBox3.Text = "";
checkBox3.Checked = false;
//判断成绩输入是否符合格式需求
if (textBox2.Text == "")
checkBox3.Text = "输入成绩";
else
{
if (textBox2.Text.All(x => x >= '0' && x <= '9'))
{
if (textBox2.Text.Length > 0 && textBox2.Text.Length <= 3)
{
//长度符合1-3位数，判断大小是否是0-100
if (Convert.ToInt32(textBox2.Text) >= 0 &&
Convert.ToInt32(textBox2.Text) <= 100)
{
//分数输入正确，可以录入
button1.Enabled = true;
checkBox3.Text = "";
checkBox3.Checked = true;
}
else
{
checkBox3.Text = "分数<0-100>";
}
}
else
{
checkBox3.Text = "长度<1-3>";
}
}
else
{
checkBox3.Text = "格式错误";
}
}
}
private void checkBox1_Click(object sender, EventArgs e)
{
if (checkBox1.Checked)
checkBox1.Checked = false;
else
checkBox1.Checked = true;
}
private void checkBox2_Click(object sender, EventArgs e)
{
if (checkBox2.Checked)
checkBox2.Checked = false;
else
checkBox2.Checked = true;
}
private void checkBox3_Click(object sender, EventArgs e)
{
if (checkBox3.Checked)
checkBox3.Checked = false;
else
checkBox3.Checked = true;
}
private void button1_Click(object sender, EventArgs e)
{
bool isexist = false;
//录入按钮的实现
//检查标志信息，查看是否可以录入
DataClasses4DataContext mydata = new DataClasses4DataContext();
if (checkBox1.Checked && checkBox2.Checked && checkBox3.Checked)
{
var ScoreQuery = from scor in mydata.ScoreTable
select scor;
foreach (var scor in ScoreQuery)
{
if (scor.StudentN == textBox1.Text)
{
//有该学生记录，不需要增加一条记录
isexist = true;
if (comboBox1.SelectedItem.ToString() == "组成原理")
{
scor.组成原理 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "软件工程")
{
scor.软件工程 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "英语")
{
scor.英语 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "操作系统")
{
scor.操作系统= Convert.ToInt32(textBox2.Text);
}
") if (comboBox1.SelectedItem.ToString() == "毛概
{
scor.毛概 = Convert.ToInt32(textBox2.Text);
}
if (MessageBox.Show("确认录入该分数吗,", "提示",
MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.SubmitChanges();
}
}
}
if (isexist == false)
{
//向表里增加一条记录
ScoreTable scor = new ScoreTable
{
StudentN = textBox1.Text,
Name = label3.Text
};
if (comboBox1.SelectedItem.ToString() == "组成原理")
{
scor.组成原理 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "软件工程")
{
scor.软件工程 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "英语")
{
scor.英语 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "操作系统")
{
scor.操作系统 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "毛概")
{
scor.毛概 = Convert.ToInt32(textBox2.Text);
}
mydata.ScoreTable.InsertOnSubmit(scor);
if (MessageBox.Show("您确定要录入吗,", "提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.SubmitChanges();
}
}
}
else
{
//有信息不完整
MessageBox.Show("信息不完整～请完整后再录入～", "提示");
}
}
}
}
成绩修改模块:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class ScorChanForm : Form
{
public ScorChanForm()
{
InitializeComponent();
}
//学号输入检测
private void textBox1_Leave(object sender, EventArgs e)
{
bool isexist = false;
label3.Text = "";
//输入文本检测
if (textBox1.Text == "")
checkBox1.Text = "输入学号";
else
{
if (textBox1.Text.All(x => x >= '0' && x <= '9'))
//输入为数字
{
if (textBox1.Text.Length != 11)
checkBox1.Text = "长度错误";
else
{
//查表，检测学生是否存在
DataClasses4DataContext mydata = new DataClasses4DataContext();
var StuQuery = from stu in mydata.ScoreTable
select stu;
foreach (var stu in StuQuery)
{
if (stu.StudentN == textBox1.Text)
{
isexist = true;
label3.Text = stu.Name;
comboBox1.Enabled = true;
}
}
//根据学生存在与否更新消息
if (isexist)
{
checkBox1.Checked = true;
checkBox1.Text = "";
}
else
"; checkBox1.Text = "学号不存在
}
}
else
{
checkBox1.Text = "格式错误～";
}
}
}
private void comboBox1_Leave(object sender, EventArgs e)
{
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs
e)
{
//选择科目事件
//bool isexist = false;
checkBox2.Checked = false;
checkBox2.Text = "";
textBox2.Text = "";
if (comboBox1.SelectedItem == null)
checkBox2.Text = "请选择";
else
{
//选择了科目，检测是否满足删除修改的条件
if (checkBox1.Checked)
{
//学号已经选好了
DataClasses4DataContext mydata = new DataClasses4DataContext();
var ScorQuery = from sc in mydata.ScoreTable
select sc;
foreach (var stu in ScorQuery)
{
if (stu.StudentN == textBox1.Text)
{
//找到该学生,查找选定成绩是否存在，存在的话显示成绩
if (comboBox1.SelectedItem.ToString() == "组成原理")
{
if (stu.组成原理 != null)
{
textBox2.Text = stu.组成原理.ToString();
checkBox2.Checked = true;
checkBox2.Text = "";
}
else
{
checkBox2.Text = "成绩不存在";
}
}
if (comboBox1.SelectedItem.ToString() == "软件工程")
{
if (stu.软件工程 != null)
{
textBox2.Text = stu.软件工程.ToString();
checkBox2.Checked = true;
checkBox2.Text = "";
}
else
{
checkBox2.Text = "成绩不存在";
}
}
if (comboBox1.SelectedItem.ToString() == "英语")
{
if (stu.英语 != null)
{
textBox2.Text = stu.英语.ToString();
checkBox2.Checked = true;
checkBox2.Text = "";
}
else
{
checkBox2.Text = "成绩不存在";
}
}
if (comboBox1.SelectedItem.ToString() == "操作系统")
{
if (stu.操作系统 != null)
{
textBox2.Text = stu.操作系统.ToString();
checkBox2.Checked = true;
checkBox2.Text = "";
}
else
{
checkBox2.Text = "成绩不存在";
}
}
if (comboBox1.SelectedItem.ToString() == "毛概")
{
if (stu.毛概 != null)
{
textBox2.Text = stu.毛概.ToString();
checkBox2.Checked = true;
checkBox2.Text = "";
}
else
{
checkBox2.Text = "成绩不存在";
}
}
}
}
}
}
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
checkBox3.Text = "";
checkBox3.Checked = false;
//判断成绩输入是否符合格式需求
if (textBox2.Text == "")
checkBox3.Text = "输入成绩";
else
{
if (textBox2.Text.All(x => x >= '0' && x <= '9'))
{
if (textBox2.Text.Length > 0 && textBox2.Text.Length <= 3)
{
//长度符合1-3位数，判断大小是否是0-100
if (Convert.ToInt32(textBox2.Text) >= 0 &&
Convert.ToInt32(textBox2.Text) <= 100)
{
//分数输入正确，可以录入
button1.Enabled = true;
checkBox3.Text = "";
checkBox3.Checked = true;
}
else
{
checkBox3.Text = "分数<0-100>";
}
}
else
{
checkBox3.Text = "长度<1-3>";
}
}
else
{
checkBox3.Text = "格式错误";
}
}
}
private void checkBox1_Click(object sender, EventArgs e)
{
if (checkBox1.Checked)
checkBox1.Checked = false;
else
checkBox1.Checked = true;
}
private void checkBox2_Click(object sender, EventArgs e)
{
if (checkBox2.Checked)
checkBox2.Checked = false;
else
checkBox2.Checked = true;
}
private void checkBox3_Click(object sender, EventArgs e)
{
if (checkBox3.Checked)
checkBox3.Checked = false;
else
checkBox3.Checked = true;
}
private void button1_Click(object sender, EventArgs e)
{
//修改按钮的实现
if (checkBox1.Checked && checkBox2.Checked && checkBox3.Checked)
{
//各项条件满足，可以修改
DataClasses4DataContext mydata = new DataClasses4DataContext();
var ScorQuery = from sc in mydata.ScoreTable
select sc;
foreach (var stu in ScorQuery)
{
//找到该学生
if (stu.StudentN == textBox1.Text)
{
//找到该项目
if (stu.StudentN == textBox1.Text)
{
//找到该学生,查找选定成绩是否存在，存在的话
显示成绩
if (comboBox1.SelectedItem.ToString() == "组成原
理")
{
stu.组成原理 =
Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "软件工
程")
{
stu.软件工程 =
Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "英语")
{
stu.英语 = Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "操作系
统")
{
stu.操作系统 =
Convert.ToInt32(textBox2.Text);
}
if (comboBox1.SelectedItem.ToString() == "毛概")
{
stu.毛概 = Convert.ToInt32(textBox2.Text);
}
if (MessageBox.Show("确认修改该学生的成绩,
","提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.SubmitChanges();
}
}
}
}
}
else
{
MessageBox.Show("信息不完整，无法修改");
}
}
private void button2_Click(object sender, EventArgs e)
{
//删除按钮的实现
if (checkBox1.Checked && checkBox2.Checked && checkBox3.Checked)
{
//各项条件满足，可以修改
DataClasses4DataContext mydata = new DataClasses4DataContext();
var ScorQuery = from sc in mydata.ScoreTable
select sc;
foreach (var stu in ScorQuery)
{
//找到该学生
if (stu.StudentN == textBox1.Text)
{
//找到该项目
if (stu.StudentN == textBox1.Text)
{
//找到该学生,查找选定成绩是否存在，存在的话
显示成绩
if (comboBox1.SelectedItem.ToString() == "组成原理")
{
stu.总分 -= stu.组成原理;
stu.组成原理 = null;
}
if (comboBox1.SelectedItem.ToString() == "软件工程")
{
stu.总分 -= stu.软件工程;
stu.软件工程 = null;
}
if (comboBox1.SelectedItem.ToString() == "英语")
{
-= stu.英语; stu.总分
stu.英语 = null;
}
if (comboBox1.SelectedItem.ToString() == "操作系统")
{
stu.总分 -= stu.操作系统;
stu.操作系统 = null;
}
if (comboBox1.SelectedItem.ToString() == "毛概")
{
stu.总分 -= stu.毛概;
stu.毛概 = null;
}
if (MessageBox.Show("确认要删除该项成绩吗,", "提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.SubmitChanges();
textBox2.Text = "";
}
}
}
}
}
else
{
MessageBox.Show("信息不完整，无法修改");
}
}
}
}
总分和排名:
计算总分:
代码:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class TotallForm : Form
{
public TotallForm()
{
InitializeComponent();
}
private void button2_Click(object sender, EventArgs e)
{
DataClasses4DataContext mydata = new DataClasses4DataContext();
dataGridView1.DataSource = mydata.ScoreTable;
dataGridView1.Columns[0].Visible = false;
}
private void button1_Click(object sender, EventArgs e)
{
//计算总分
DataClasses4DataContext mydata = new DataClasses4DataContext();
var ScoreQuery = from stu in mydata.ScoreTable
select stu;
foreach (var stu in ScoreQuery)
{
stu.总分 = 0;
//把非空的成绩加起来
if (stu.操作系统 != null)
stu.总分 += stu.操作系统;
if (stu.毛概 != null)
stu.总分 += stu.毛概;
if (stu.软件工程 != null)
stu.总分 += stu.软件工程;
if (stu.英语 != null)
stu.总分 += stu.英语;
if (stu.组成原理 != null)
stu.总分 += stu.组成原理;
}
mydata.SubmitChanges();
dataGridView1.DataSource = mydata.ScoreTable;
}
}
}
考试管理模块:
查看考试:
添加考试:
修改考试:
详细代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms; using System.Data.OleDb;
namespace StuIFMS
{
public partial class TestForm : Form
{
public TestForm()
{
InitializeComponent();
}
private void TestForm_Load(object sender, EventArgs e)
{
//初始化,屏蔽所有的控件
dataGridView1.Visible = false;
label1.Visible = false;
label2.Visible = false;
label3.Visible = false;
label4.Visible = false;
textBox1.Visible = false;
comboBox1.Visible = false;
comboBox2.Visible = false;
dateTimePicker1.Visible = false;
button5.Visible = false;
button6.Visible = false;
button4.Visible = false;
}
private void button1_Click(object sender, EventArgs e)
{
//查看考试按钮的实现
dataGridView1.Visible = true;
DataClasses5DataContext mydata = new DataClasses5DataContext();
dataGridView1.DataSource = mydata.TestTable;
dataGridView1.Columns[0].Visible = false;
label1.Visible = false;
label2.Visible = false;
label3.Visible = false;
comboBox1.Visible = false;
textBox1.Visible = false;
dateTimePicker1.Visible = false;
label4.Visible = false;
button5.Visible = false;
button6.Visible = false;
comboBox2.Visible = false;
button4.Visible = false;
}
private void button2_Click(object sender, EventArgs e)
{
//添加考试的实现
label1.Visible = true;
label2.Visible = true;
label3.Visible = true;
label4.Visible = false;
comboBox1.Visible = true;
textBox1.Visible = true;
dateTimePicker1.Visible = true;
button5.Visible = true;
button6.Visible = false;
comboBox2.Visible = false;
button4.Visible = false;
textBox1.Text = "";
button4.Visible = false;
}
private void button3_Click(object sender, EventArgs e)
{
//修改删除按钮的实现
label1.Visible = true;
label2.Visible = true;
label3.Visible = true;
label4.Visible = true;
comboBox1.Visible = true;
textBox1.Visible = true;
dateTimePicker1.Visible = true;
button5.Visible = false;
button6.Visible = true;
comboBox2.Visible = true;
button4.Visible = true;
}
private void button5_Click(object sender, EventArgs e)
{
if (comboBox1.SelectedItem != null && textBox1.Text != "" &&
dateTimePicker1.Text != null)
{
bool isexist = false;
//条件满足，增加
DataClasses5DataContext mydata = new DataClasses5DataContext();
var TestQuery = from test in mydata.TestTable
select test;
foreach (var test in TestQuery)
{
if (test.考试科目 == comboBox1.SelectedItem.ToString() && test.考试时间 == dateTimePicker1.Text && test.考试地点 == textBox1.Text)
{
isexist = true;
}
}
if (isexist)
MessageBox.Show("此考试已经存在了～～");
else
{
TestTable temp = new TestTable
{
= dateTimePicker1.Text, 考试时间
考试地点 = textBox1.Text,
考试科目 = comboBox1.SelectedItem
.ToString()
};
mydata.TestTable.InsertOnSubmit(temp);
if (MessageBox.Show("确定要添加吗,", "提示",
MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.SubmitChanges();
//更新考试查询
if (dataGridView1.Visible == true)
{
dataGridView1.DataSource = mydata.TestTable;
dataGridView1.Columns[0].Visible = false;
}
}
}
}
}
private void comboBox2_SelectedIndexChanged(object sender, EventArgs
e)
{
textBox1.Text = "";
//考试选项修改事件的实现,及时更新信息，如果该科目有考试被选
定，则在文本框里显示选择的考试
if (comboBox2.Items == null)
{
//没有考试
textBox1.Text = "";
}
else
{
if (comboBox2.SelectedItem == null)
//没有选择考试
textBox1.Text = "";
else
{
//选择了一门考试，查找考试表，将考试地点显示出来
DataClasses5DataContext mydata = new DataClasses5DataContext();
var Test = from test in mydata.TestTable
select test;
foreach (var test in Test)
{
if (test.考试科目 ==
comboBox1.SelectedItem.ToString() && test.考试时间 ==
comboBox2.SelectedItem.ToString())
textBox1.Text = test.考试地点;
}
}
}
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs
e)
{
comboBox2.Items.Clear();//清空
//修改时候科目选择改变时候
if (comboBox2.Visible == true)
{
//检验是否是修改,把该门课程的所有考试添加到里面，一共修
改
DataClasses5DataContext mydata = new DataClasses5DataContext();
var TestQuery = from test in mydata.TestTable
select test;
if (comboBox1.SelectedItem != null)
{
foreach (var test in TestQuery)
{
if (test.考试科目 ==
comboBox1.SelectedItem.ToString())
{
comboBox2.Items.Add(test.考试时间);
// textBox1.Text = test.考试时间;
}
}
}
}
}
private void button6_Click(object sender, EventArgs e)
{
//修改按钮的实现
if (comboBox2.SelectedItem != null && comboBox1.SelectedItem !=
null && textBox1.Text != null && dateTimePicker1.Text != null)
{
//找到那个考试。修改之
DataClasses5DataContext mydata = new DataClasses5DataContext();
var TestQuery = from test in mydata.TestTable
select test;
foreach (var test in TestQuery)
{
try
{
if (test.考试科目 ==
comboBox1.SelectedItem.ToString() && test.考试时间 ==
comboBox2.SelectedItem.ToString())
{
//找到该考试，修改掉在数据库里的记录
test.考试时间 = dateTimePicker1.Text;
test.考试地点 = textBox1.Text;
if (MessageBox.Show("确认修改吗,", "提示",
MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.SubmitChanges();
//更新显示
dataGridView1.DataSource = TestQuery;
//清空显示
comboBox2.Items.Clear();
textBox1.Text = "";
}
}
}
catch (Exception ex)
{
MessageBox.Show("异常" + ex.Message);
}
}
}
else
{
MessageBox.Show("信息不完整，请完整后操作～", "提示");
}
}
private void button4_Click(object sender, EventArgs e)
{
//删除考试按钮的实现
//选择了考试科目和考试
//int i = comboBox2.SelectedIndex;
if (comboBox2.SelectedItem != null && comboBox1.SelectedItem !=
null)
{
//在考试表里找到该考试，删除之
DataClasses5DataContext mydata = new DataClasses5DataContext();
var TestQuery = from test in mydata.TestTable
select test;
foreach (var test in TestQuery)
{
if (test.考试科目 == comboBox1.SelectedItem.ToString() && test.考试时间 == comboBox2.SelectedItem.ToString())
{
//找到了该考试，删除它
if (MessageBox.Show("删除考试将不可恢复～确定删
除吗", "提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
mydata.TestTable.DeleteOnSubmit(test);
//更新数据库
mydata.SubmitChanges();
//更新显示框
if (dataGridView1.Visible)
{
dataGridView1.DataSource = mydata.TestTable;
dataGridView1.Columns[0].Visible = false;
}
//在考试选择框里删除它
comboBox2.Items.Remove(test.考试时间);
comboBox2.Text = "";
textBox1.Text = "";
}
}
}
}
}
}
}
密码修改:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class ChangePForm : Form
{
private User CurrentUser;
public ChangePForm(User current)
{
InitializeComponent();
CurrentUser = current;
this.textBox3.Select();
}
private void ChangePForm_Load(object sender, EventArgs e)
{
label2.Text = CurrentUser.GetUserID();
}
//新密码textBox1文本改变时间
private void textBox1_TextChanged(object sender, EventArgs e)
{
checkBox1.Text = "";
checkBox2.Text = "";
checkBox1.Checked = false;
if (textBox2.Enabled == false)
{
//判断新密码格式是否正确，更新checkbox1状态
if (textBox1.Text == "" || textBox1.Text.Contains(" "))
checkBox1.Text = "含有空格!";
else
{
//密码不含空格，检验密码长度
if (textBox1.Text.Length > 16 || textBox1.Text.Length < 6)
//密码格式不正确
checkBox1.Text = "长度<6-16>";
else
{
//密码格式正确,激活确认密码按钮
textBox2.Enabled = true;
checkBox1.Checked=true;
checkBox1.Text = "";
}
}
}
//确认已经可以用了，排除密码确认正确后改动新密码而确认密码
信息没法及时更新的情况
else
{
//先检查新密码格式是否正确
if (textBox1.Text == "" || textBox1.Text.Contains(" "))
{
checkBox2.Checked = false;
checkBox1.Text = "含有空格!";
}
else
{
if (textBox1.Text.Length > 16 || textBox1.Text.Length < 6)
checkBox1.Text = "长度<6-16>";
else
{
//新密码格式正确,检测确认密码是否和新密码相同,
不同则更新checkBox2消息
if (textBox1.Text != textBox2.Text)
{
checkBox2.Text = "确认错误～";
checkBox2.Checked = false;
checkBox1.Text = "";
checkBox2.Checked = false;
checkBox1.Checked = true;
}
else
{
checkBox1.Checked = true;
checkBox2.Checked = true;
checkBox2.Text = "";
checkBox1.Text = "";
}
}
}
}
}
//旧密码文本改变事件
private void textBox3_TextChanged(object sender, EventArgs e)
{
textBox1.Enabled = false;
checkBox3.Checked = false;
checkBox3.Text = "";
//查找用户表
//DataClasses1DataContext myDataContext = new DataClasses1DataContext();
//找到该登录用户
if (textBox3.Text == CurrentUser.GetPassword())
{
textBox1.Enabled = true;
checkBox3.Checked = true;
checkBox3.Text = "";
}
else
{
checkBox3.Text = "密码错误";
}
}
private void checkBox3_Click(object sender, EventArgs e)
{
//屏蔽鼠标对它的操作
if (checkBox3.Checked)
checkBox3.Checked = false;
else
checkBox3.Checked = true;
}
private void checkBox1_Click(object sender, EventArgs e)
{
if (checkBox1.Checked)
checkBox1.Checked = false;
else
checkBox1.Checked = true;
}
private void checkBox2_Click(object sender, EventArgs e)
{
if (checkBox2.Checked)
checkBox2.Checked = false;
else
checkBox2.Checked = true;
}
//密码确认按钮实现
private void textBox2_TextChanged(object sender, EventArgs e)
{
checkBox2.Checked = false;
checkBox2.Text = "";
//检测确认密码和新密码是否相等
if (textBox1.Text != textBox2.Text)
{
//密码确认错了
checkBox2.Text = "确认错误～";
}
else
{
//密码确认正确
checkBox2.Checked = true;
}
}
private void button1_Click(object sender, EventArgs e)
{
//检测三个checkedBox状态确定是否可以修改密码
if (checkBox1.Checked && checkBox2.Checked && checkBox3.Checked)
{
//可以修改密码
DataClasses1DataContext MyDC = new DataClasses1DataContext();
var UserQuery = from Users in MyDC.UsersTable
select Users;
foreach (var user in UserQuery)
{
if (user.UerID == CurrentUser.GetUserID() && user.Identity
== CurrentUser.GetIdentity())
{
", if (MessageBox.Show("您确认修改密码吗,", "提示
MessageBoxButtons.OKCancel) == DialogResult.OK)
{
user.Password = textBox1.Text;
MyDC.SubmitChanges();
MessageBox.Show("密码修改成功～");
break;
}
}
}
}
else
{
MessageBox.Show("信息不完整，请确认～～", "提示");
}
}
private void button2_Click(object sender, EventArgs e)
{
//取消按钮的实现
this.Close();
}
}
}
添加帐号:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class AddUserForm : Form
{
public AddUserForm()
{
InitializeComponent();
//初始化checkBox状态
checkBox1.Text = "";
checkBox2.Text = "";
checkBox3.Text = "";
this.textBox1.Select();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
bool isRegeisted = false;
//文本变化时候更新checkBox1状态
checkBox1.Text = "";
checkBox1.Checked = false;
//取出UsersTable里所有的用户数据信息
DataClasses1DataContext MyDataContext = new DataClasses1DataContext();
var UserQuery = from user in MyDataContext.UsersTable
select user;
//检测帐号合法性:帐号为11位以内的字符组成，不能含有空格
等特殊字符
if (textBox1.Text == "" || textBox1.Text.Contains(" "))
checkBox1.Text = "无效帐号";
else
{
if (textBox1.Text.Length < 6 || textBox1.Text.Length > 11)
checkBox1.Text = "长度<6-11>";
else
{
//帐号格式正确，查询帐号是否被注册过了
foreach (var user in UserQuery)
{
if ((user.UerID == textBox1.Text && user.Identity ==
radioButton1.Text) || (user.UerID == textBox1.Text && user.Identity ==
radioButton2.Text))
//存在一个相同帐号，这个帐号不能注册
isRegeisted = true;
}
if (isRegeisted)
checkBox1.Text = "已注册帐号～";
//帐号没有注册
else
{
checkBox1.Text = "";
checkBox1.Checked = true;
textBox2.Enabled = true;
}
}
}
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
//检测新密码格式是否正确
if (textBox2.Text == "" || textBox2.Text.Contains(" "))
{
checkBox2.Checked = false;
checkBox2.Text = "含有空格!";
}
else
{
if (textBox2.Text.Length > 16 || textBox2.Text.Length < 6)
{
checkBox2.Text = "长度<6-16>";
checkBox2.Checked = false;
}
else
{
//密码格式正确,检测新密码是否进行了改动
checkBox2.Checked = true;
checkBox2.Text = "";
if (textBox3.Enabled == false)
{
//第一次密码格式正确,开放确认密码文本框、打勾
checkBox2
textBox3.Enabled = true;
}
// 确认密码已经可以填写，检测填写情况，并对确认密
码成功后改动新密码这一情况进行处理
else
{
//新密码已经是符合密码格式的密码了，所以用新密
码做为校对的标准，检测确认密码是否和新秘密相等
if (textBox2.Text != textBox3.Text)
{
//确认密码失败，更新checkBox2和、checkBox3的信息
checkBox3.Text = "确认失败～";
checkBox3.Checked = false;
}
else
{
//确认成功
checkBox3.Text = "";
checkBox3.Checked = true;
}
}
}
}
}
//确认密码文本改动时候更新消息
private void textBox3_TextChanged(object sender, EventArgs e)
{
//直接检测和新密码是否相等
if (textBox3.Text != textBox2.Text)
{
checkBox3.Text = "确认失败～";
checkBox3.Checked = false;
}
else
{
//确认成功
checkBox3.Text = "";
checkBox3.Checked = true;
}
}
//取消按钮实现
private void button2_Click(object sender, EventArgs e)
{
//关闭当前对话框
this.Close();
}
//添加按钮实现
private void button1_Click(object sender, EventArgs e)
{
//根据添加信息，向数据库用户表里插入一行就可以了
//检测是否可以添加用户
if (checkBox1.Checked && checkBox2.Checked &&
checkBox3.Checked)
{
//可以注册，获取用户表数据集
DataClasses1DataContext MyDataContext = new
DataClasses1DataContext();
UsersTable tempTable = new UsersTable
{
UerID = textBox1.Text,
Password = textBox2.Text
};
if (radioButton1.Checked)
tempTable.Identity = radioButton1.Text;
else
tempTable.Identity = radioButton2.Text;
MyDataContext.UsersTable.InsertOnSubmit(tempTable);
MyDataContext.SubmitChanges();
MessageBox.Show("添加成功～请牢记帐号和密码～", "提示");
this.Close();
}
else
{
MessageBox.Show("信息不完整，无法添加", "警告");
}
}
private void checkBox1_Click(object sender, EventArgs e)
{
//屏蔽鼠标点击事件
if (checkBox1.Checked)
checkBox1.Checked = false;
else
checkBox1.Checked = true;
}
private void checkBox2_Click(object sender, EventArgs e)
{
if (checkBox2.Checked)
checkBox2.Checked = false;
else
checkBox2.Checked = true;
}
private void checkBox3_Click(object sender, EventArgs e)
{
if (checkBox3.Checked)
checkBox3.Checked = false;
else
checkBox3.Checked = true;
}
}
}
删除帐号:
代码:
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace StuIFMS
{
public partial class DeleUserForm : Form
{
public DeleUserForm()
{
InitializeComponent();
}
//更新信息方法
public void UpdateIF()
{
comboBox1.Text = "";
comboBox1.Items.Clear();
DataClasses1DataContext mydata = new DataClasses1DataContext();
dataGridView1.DataSource = mydata.UsersTable;
dataGridView1.AutoGenerateColumns = false;
dataGridView1.Columns[0].Visible = false;
dataGridView1.Columns[2].Visible = false;
"; //dataGridView1.Columns[0].HeaderText = "用户
//dataGridView1.Columns[2].HeaderText = "身份";
dataGridView1.Show();
//更新comboBox1内容
if (radioButton1.Checked)
{
//显示用户表里所有学生身份用户
var StuUser = from user in mydata.UsersTable
where user.Identity=="学生"
select user;
foreach (var user in StuUser)
{
//加入用户名
comboBox1.Items.Add(user.UerID);
}
}
else
{
//显示用户表里所有的非超级管理员的用户
var TeacherUser = from user in mydata.UsersTable
where user.Identity == "教师"
select user;
//遍历一次，获取用户列表
foreach (var Tuser in TeacherUser)
{
if (Tuser.UerID != "SuperMan")
comboBox1.Items.Add(Tuser.UerID);
}
}
}
private void button1_Click(object sender, EventArgs e)
{
DataClasses1DataContext mydata = new DataClasses1DataContext();
//不自动创建全部列
dataGridView1.DataSource = mydata.UsersTable;
dataGridView1.AutoGenerateColumns = false;
//获取表里的列
dataGridView1.Columns[0].Visible = false;
//dataGridView1.Columns[0].DataPropertyName = "用户";
dataGridView1.Columns[2].Visible = false;
//dataGridView1.Columns[2].DataPropertyName = "身份";
//dataGridView1.Show();
}
private void DeleUserForm_Load(object sender, EventArgs e)
{
//窗体初始化，从数据库里用户表里读出内容到datagridview1里，
同时更新combox里内容
UpdateIF();
}
private void button1_Click_1(object sender, EventArgs e)
{
//刷新按钮实现
UpdateIF();
}
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
UpdateIF();
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
UpdateIF();
}
//取消按钮的实现
private void button3_Click(object sender, EventArgs e)
{
//关闭当前窗口
this.Close();
}
//删除按钮的实现
private void button2_Click(object sender, EventArgs e)
{
//根据用户选择，删除用户表里的指定账户
//没有内容，用户表里没有内容
if (comboBox1.Items == null)
MessageBox.Show("没有可删除帐号");
else
{
if (comboBox1.SelectedItem == null)
MessageBox.Show("没有选择帐号～");
else
{
//选择了帐号，删除该帐号,并更新数据表里的内容，同时
更新界面的内容
DataClasses1DataContext myData = new DataClasses1DataContext();
//分情况考虑
if (radioButton1.Checked)
{
//删除学生帐号
var StuQuery = from user in myData.UsersTable
select user;
foreach (var stu in StuQuery)
{
if(stu.UerID==comboBox1.SelectedItem.ToString()&&stu.Identity==radioButton1.Text)
myData.UsersTable.DeleteOnSubmit(stu);
}
}
else
{
//删除教师学号
var TeaQuery = from users in myData.UsersTable
select users;
foreach (var tea in TeaQuery)
{
if(tea.UerID==comboBox1.SelectedItem.ToString()&&tea.Identity==radioButton2.Text
)
myData.UsersTable.DeleteOnSubmit(tea);
}
}
if (MessageBox.Show("删除数据将不可恢复～确定,","提
示",MessageBoxButtons.OKCancel) == DialogResult.OK)
{
//删除完了，保存结果,刷新界面
myData.SubmitChanges();
UpdateIF();
}
}
}
}
private void label2_Click(object sender, EventArgs e)
{
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs
e)
{
}
}
}
资源管理器截图:
数据库表截图:
以上就是学生学籍管理系统的详细代码和效果截图。
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