ASP.NET 2.0中合并 GridView 的表头单元格

< %@ 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() 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() 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() 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() 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 >