<%...@ Page Language="VB" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">...
Function CreateDataSource() As ICollection
Dim dt As System.Data.DataTable = New System.Data.DataTable
Dim dr As System.Data.DataRow
dt.Columns.Add(New System.Data.DataColumn("学生姓名", GetType(System.String)))
dt.Columns.Add(New System.Data.DataColumn("语文", GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn("数学", GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn("英语", GetType(System.Decimal)))
Dim i As Integer = 0
For i = 0 To 7
Dim rd As System.Random = New System.Random(Environment.TickCount * i)
dr = dt.NewRow
dr(0) = "学生" + i.ToString
dr(1) = System.Math.Round(rd.NextDouble * 100, 2)
dr(2) = System.Math.Round(rd.NextDouble * 100, 2)
dr(3) = System.Math.Round(rd.NextDouble * 100, 2)
dt.Rows.Add(dr)
Next
Dim dv As System.Data.DataView = New System.Data.DataView(dt)
Return dv
End Function
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If Not IsPostBack Then
GridView1.BorderColor = System.Drawing.Color.DarkOrange
GridView1.DataSource = CreateDataSource()
GridView1.DataBind()
End If
End Sub
Protected Sub GridView1_RowCreated(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.Header Then
Dim rowHeader As GridViewRow = New GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal)
rowHeader.BackColor = System.Drawing.Color.White
rowHeader.Font.Bold = True
Dim cells As TableCellCollection = e.Row.Cells
Dim headerCell As TableCell = New TableCell
headerCell.Text = ""
rowHeader.Cells.Add(headerCell)
headerCell = New TableCell
headerCell.Text = "学生成绩"
headerCell.ColumnSpan = cells.Count - 1
headerCell.HorizontalAlign = HorizontalAlign.Center
rowHeader.Cells.Add(headerCell)
rowHeader.Visible = True
GridView1.Controls(0).Controls.AddAt(0, rowHeader)
End If
End Sub
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
e.Row.Attributes.Add("style", "background:#FFF")
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>合并 GridView 的表头单元格</title>
</head>
<body>
<form id="Form1" runat="server">
<asp:GridView ID="GridView1" runat="server" CellSpacing="1" CellPadding="3"
Font-Size="12px" Width="300px" BackColor="orange" BorderWidth="0"
OnRowDataBound="GridView1_RowDataBound" OnRowCreated="GridView1_RowCreated">
</asp:GridView>
</form>
</body>
</html>