gridview 复杂头实现固定

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test2.aspx.cs" Inherits="Modules_test2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<asp:GridView ID="GridView1" runat="server" CellSpacing="1" CellPadding="3" Font-Size="12px"

Width="600px" BorderWidth="0" OnRowDataBound="GridView1_RowDataBound"

OnRowCreated="GridView1_RowCreated" ShowHeader="false">

</asp:GridView>

</div>

</form>

</body>

</html>

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;

public partial class Modules_test2 : System.Web.UI.Page

{

ICollection CreateDataSource()

{

System.Data.DataTable dt = new System.Data.DataTable();

System.Data.DataRow dr;

dt.Columns.Add(new System.Data.DataColumn("学生班级", typeof(System.String)));

dt.Columns.Add(new System.Data.DataColumn("学生姓名", typeof(System.String)));

dt.Columns.Add(new System.Data.DataColumn("语文", typeof(System.Decimal)));

dt.Columns.Add(new System.Data.DataColumn("数学", typeof(System.Decimal)));

dt.Columns.Add(new System.Data.DataColumn("英语", typeof(System.Decimal)));

dt.Columns.Add(new System.Data.DataColumn("计算机", typeof(System.Decimal)));

for (int i = 0; i < 40; i++)

{

System.Random rd = new System.Random(Environment.TickCount * i); ;

dr = dt.NewRow();

dr[0] = "班级" + i.ToString();

dr[1] = "学生" + i.ToString();

dr[2] = System.Math.Round(rd.NextDouble() * 100, 2);

dr[3] = System.Math.Round(rd.NextDouble() * 100, 2);

dr[4] = System.Math.Round(rd.NextDouble() * 100, 2);

dr[5] = System.Math.Round(rd.NextDouble() * 100, 2);

dt.Rows.Add(dr);

}

System.Data.DataView dv = new System.Data.DataView(dt);

return dv;

}

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

GridView1.BorderColor = System.Drawing.Color.DarkOrange;

GridView1.DataSource = CreateDataSource();

GridView1.DataBind();

}

protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)

{

if (e.Row.RowType == DataControlRowType.Header)

{

//创建一个GridViewRow，相当于表格的 TR 一行

GridViewRow rowHeader = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal);

string HeaderBackColor = "#EDEDED";

rowHeader.BackColor = System.Drawing.ColorTranslator.FromHtml(HeaderBackColor);

string thstyle = "style='position: relative; top:expression(this.offsetParent.scrollTop - 1); table-layout:fixed;z-index: 10;'";

Literal newCells = new Literal();

newCells.Text = @"表头文字1</th>

</tr>

<tr bgcolor='" + HeaderBackColor + "'>";

newCells.Text += @"

</tr>

<tr bgcolor='" + HeaderBackColor + "'>";

newCells.Text += @"

<th " + thstyle + @">表头文字12";

TableCellCollection cells = e.Row.Cells;

TableHeaderCell headerCell = new TableHeaderCell();

//下面的属性设置与 <td rowspan='2'>关键单元格</td> 要一致

headerCell.RowSpan = 2;

headerCell.Controls.Add(newCells);

headerCell.Attributes.Add("style", "position: relative; top:expression(this.offsetParent.scrollTop - 1); table-layout:fixed;z-index: 10;");

rowHeader.Cells.Add(headerCell);

rowHeader.Visible = true;

//添加到 GridView1

GridView1.Controls[0].Controls.AddAt(0, rowHeader);

//TableCellCollection cells = e.Row.Cells;

//TableCell tc = new TableCell();

//tc.Text = newCells.Text;

//tc.Attributes.Add("style", "position: relative; top: table-layout:fixed;expression(this.offsetParent.scrollTop);z-index: 10;");

//rowHeader.Cells.Add(tc);

//GridView1.Controls[0].Controls.AddAt(0, rowHeader);

//TableCellCollection tcl = e.Row.Cells;

////清除自动生成的表头

//tcl.Clear();

////添加新的表头

//tcl.Add(new TableHeaderCell());

//tcl[0].RowSpan = 2;

//tcl[0].Text = "标题s";

//Label l1 = new Label();

//l1.Text = "uu";

//Button bt = new Button();

//bt.Text = "1";

////因为自定义表头,所以原来系统中实现的排序功能就失效了

////下面语句可以自己在表头中添加控件,自己实现排序功能

//tcl[0].Controls.Add(l1);

//tcl[0].Controls.Add(bt);

//tcl.Add(new TableHeaderCell());

//tcl[1].ColumnSpan = 2;

//tcl[1].Text = "标题2";

//tcl.Add(new TableHeaderCell());

//tcl[2].RowSpan = 2;

//tcl[2].Text = "标题3";

//tcl.Add(new TableHeaderCell());

//tcl[3].ColumnSpan = 3;

//tcl[3].Text = "标题4";

//tcl.Add(new TableHeaderCell());

//tcl[4].RowSpan = 2;

////这段是重点其实在生成的html中tcl[4]转化为<th>标题5</th>

////所以依照该原则注入html标签来实现,原理有些类似于SQL注入攻击

//tcl[4].Text = "标题5</th></tr><tr><th>标题2-1</th><th>标题2-2</th><th>标题4-1</th><th>标题4-2</th><th>标题4-3";

}

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)

{

if (e.Row.RowType == DataControlRowType.Header)

{

e.Row.Attributes.Add("style", "background:#9999FF;color:#FFFFFF;font-size:14px;CellSpacing:0;");

}

else

{

e.Row.Attributes.Add("style", "background:#FFF;");

}

posted on 2007-11-26 20:20 执法长老阅读(372) 评论(0) 收藏举报

刷新页面返回顶部

IT Crazy