急，求助！GridView固定表头表列问题
我从数据库中读取数据直接绑定到GridView中，但是由于出现在GridView表头太长，内容也多，所以我想要拖动竖直方向上的滚动条时固定表头不动，拖动水平滚动条的时候也要固定前两列，请问怎么实现啊？先谢了哈！
程序代码：<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.">
<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("学生班级", GetType(System.String)))
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)))
dt.Columns.Add(New System.Data.DataColumn("计算机", GetType(System.Decimal)))
Dim i As Integer = 0
While i < 50
Dim rd As System.Random = New System.Random(Environment.TickCount * i)
dr = dt.NewRow
dr(0) = "BCCN论坛" + i.ToString
dr(1) = "不说也罢" + 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.Math.Min(System.Threading.Interlocked.Increment(i), i - 1)
End While
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.Attributes.Add("style", "table-layout:fixed")
GridView1.DataSource = CreateDataSource()
GridView1.DataBind()
End If
End Sub
</script>
<script type="text/javascript">
function settable()
{
var tl = document.getElementById("<%=GridView1.ClientID%>");
var t2 = tl.cloneNode(true)
for(i = t2.rows.length -1;i > 0;i--)
t2.deleteRow(i)
tl.deleteRow(0)
a.appendChild(t2)
}
window.onload = settable
</script>
<html xmlns="http://www.">
<head>
<title>BCCN论坛网友 GridView固定表头表列示例</title>
</head>
<body>
<form id="Form1" runat="server">
<table>
<tr>
<td>
<div id="a">
</div>
<div style="overflow-y: scroll; height: 200px">
<asp:GridView ID="GridView1" runat="server" Font-Size="12px" BackColor="#FFFFFF"
GridLines="Both" CellPadding="4" Width="560">
<HeaderStyle BackColor="#EDEDED" Height="26px" />
</asp:GridView>
</div>
</td>
</tr>
</table>
</form>
</body>
</html>
