Asp.net 格子网制作代码
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
using System.IO;
public partial class WebUserControl : System.Web.UI.UserControl {
delegate void ClientClick(string str);
protected void Page_Load(object sender, EventArgs e)
{
CreateTable();
string unit = "px";
string strconn = ConnManager.Data_Conn().ToString();
OleDbConnection conn = new OleDbConnection(strconn);
OleDbCommand Ad = new OleDbCommand("select * from View_Grid", conn);
conn.Open();
OleDbDataReader read = Ad.ExecuteReader();
while (read.Read())
{
int x = Convert.ToInt32(read["x"].ToString()); //横排第几格
int y = Convert.ToInt32(read["y"].ToString()); //竖排第几格
int number_x = Convert.ToInt32(read["number_x"].ToString()); //横排占
几格
int number_y = Convert.ToInt32(read["number_y"].ToString()); //竖排
占几格
string width = Convert.ToString(100 * number_x).ToString();
string height = Convert.ToString(100 * number_y).ToString();
string left = Convert.ToString((x - 1) * 100) + unit;
string top = Convert.ToString((y - 1) * 100) + unit;
string bottom = height + unit;
string right = width + unit;
ImageMap map = new ImageMap();
map.DescriptionUrl = read["Dealer_ID"].ToString();
map.ToolTip = read["Dealer_DoMainName"].ToString();
map.ImageUrl = read["images"].ToString();
FileInfo file = new
FileInfo(Server.MapPath(read["images"].ToString()));
if (!file.Exists)
{
map.BackColor = System.Drawing.Color.Red;
string top1 = Convert.ToString((y - 1) * 100+30) + unit;
string left1 = Convert.ToString((x - 1) * 100+10) + unit;
CreateLinkButton(read["Dealer_ID"].ToString(), read["title"].ToString(), read["Dealer_DoMainName"].ToString(), right, bottom,
left1, top1);
}
MapAtribue(map);
MapStyle(map);
this.SetStyle(map.Style, right, bottom, left, top);
map.Click += new ImageMapEventHandler(ImageMap1_Click);
this.Controls.Add(map);
RHS(map, 100 * number_x, 100 * number_y, map.ToolTip);
}
conn.Close();
}
///
/// 添加ImageMpa信息
///
///
///
///
///
protected void RHS(ImageMap map, int right, int bottom, string tooltip)
{
RectangleHotSpot re = new RectangleHotSpot();
re.Left = 0;
re.Right = right;
re.Bottom = bottom;
re.Top = 0;
re.PostBackValue = "Client";
re.Target = "_blank";
re.HotSpotMode = HotSpotMode.PostBack;
re.NavigateUrl = tooltip;
re.AlternateText = tooltip;
map.HotSpots.Add((HotSpot)re);
}
///
/// 设置ImageMap属性
///
///
protected void MapAtribue(ImageMap map)
{
map.HotSpotMode = HotSpotMode.PostBack;
map.ImageAlign = ImageAlign.AbsMiddle;
}
///
/// 设置ImageMap样式
///
///
protected void MapStyle(ImageMap map)
{
Style Style = new Style();
Style.CssClass = "image";
map.ApplyStyle(Style);
}
///
/// 设置ImageMap样式
///
///
///
///
///
///
private void SetStyle(CssStyleCollection style, string width, string height,
string left, string top)
{
style.Add("width", width);
style.Add("height", height);
style.Add("margin-left", left);
style.Add("margin-top", top);
}
///
/// ImageMap1单击事件
///
///
///
protected void ImageMap1_Click(object sender, ImageMapEventArgs e)
{
ImageMap im = (ImageMap)(sender);
int id = Convert.ToInt32(im.DescriptionUrl.ToString());
UpdateClick(id);
}
///
/// 创建LinkButton
///
///
///
///
///
///
///
protected void CreateLinkButton(string id, string text, string right,string
tooltip, string bottom, string left, string top)
{
LinkButton link = new LinkButton();
link.ID = id.ToString();
link.Text = text;
link.ToolTip = tooltip;
if (link.Text.Length > 20) {
link.Text = link.Text.Substring(0, 18) + "...";
}
Style Style = new Style();
Style.CssClass = "linkbutton1";
link.Height = 25;
link.Width = 80;
link.ApplyStyle(Style);
this.LinkStyle(link.Style, left, top);
link.Attributes.Add("onMouseOver",
"this.style.color='Blue';this.style.cursor='hand';this.style.font='normal small-caps bold 10pt serif';");
link.Attributes.Add("onMouseOut",
"this.style.color='DarkBlue';this.style.font='normal small-caps normal 9pt
serif';");
link.Click += new EventHandler(link_Click);
this.Controls.Add(link);
}
///
/// 设置LinkButton样式
///
///
private void LinkStyle(CssStyleCollection style,string left, string top)
{
style.Add("margin-left", left);
style.Add("margin-top", top);
}
///
/// LinkButton单击事件
///
///
///
protected void link_Click(object sender, EventArgs e)
{
LinkButton link = (LinkButton)(sender);
int id = Convert.ToInt32(link.ID.ToString());
UpdateClick(id);
}
///
/// 更新信息
///
///
protected void UpdateClick(int id)
{
string select = "select * from View_Grid where Dealer_ID=" + id + "";
DataTable table = Data_Manager.ExecuteDataSet(select, "view_grid").Tables[0];
int Dealer_Clickcount =
Convert.ToInt32(table.Rows[0]["Dealer_Clickcount"].ToString()) + 1;
string update = "update Tb_DealerInfo set Dealer_Clickcount=" + Dealer_Clickcount + " where Dealer_ID=" + id + "";
Data_Manager.ExecuteNonQuery(update);
string path = table.Rows[0]["Dealer_DoMainName"].ToString();
if (path == "http:/" + "/" || path == "" || table.Rows[0]["IsLogin"].ToString() == "True")
{
Session["Userid"] = id.ToString();
Response.Redirect("Index.aspx?userid=" + Session["Userid"].ToString()
+ "");
}
else
{
Response.Redirect(path, true);
}
}
///
/// 创建Table框架
///
protected void CreateTable() {
int j = 1;
Style tablestyle = new Style();
tablestyle.CssClass = "table";
Style style2 = new Style();
style2.CssClass = "row";
Style style = new Style();
style.CssClass = "Cell";
Table table = new Table();
table.ApplyStyle(style2);
table.Width = 1000;
table.Height = 1000;
table.BackColor = System.Drawing.Color.White;
Random rad1 = new Random();
for (int row = 0; row < 1000; row += 100)
{
TableRow tablerow = new TableRow();
tablerow.Height = 100;
int i = 1;
Random rad2 = new Random();
for (int cell = 0; cell < 1000; cell += 100)
{
Random rad = new Random();
TableCell tablecell = new TableCell();
tablecell.ToolTip = "行:" + j + " 列:" + i + "" + "(" + row + "px,"
+ cell + "px)";
tablecell.Width = 100;
tablecell.Height = 100;
tablecell.BorderWidth = 1;
tablecell.Attributes.Add("onMouseOver", "this.style.backgroundColor='#e9e9e9';this.style.cursor='hand';");
tablecell.Attributes.Add("onMouseOut", "this.style.backgroundColor='#FFFFFF'");
tablerow.Cells.Add(tablecell);
i++;
}
j++;
tablerow.BorderWidth = 1;
table.Rows.Add(tablerow);
}
this.Controls.Add(table);
}
}
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