本方法只需要设置一个GridView的宽度，其它宽度不需要设置。测试环境：IE6，Firefox通过。
C#
<![CDATA[<%@ Page Language="C#" AutoEventWireup="true" %>
<!doctype html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
// 计算数据，完全可以从数据看取得
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 <50; i++)
{
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[0] = "班级" + i.ToString();
dr[1] = "【孟子E章】" + 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.Attributes.Add("style", "table-layout:fixed");
GridView1.DataSource = CreateDataSource();
GridView1.DataBind();
}
}
</script>
<script type="text/javascript">
function s()
{
var t = document.getElementById("<%=gridview1.clientid%>");
var t2 = t.cloneNode(true)
for(i = t2.rows.length -1;i > 0;i--)
t2.deleteRow(i)
t.deleteRow(0)
a.appendChild(t2)
}
window.onload = s
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>创建表头固定，表体可滚动的GridView</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>
]]>
VB.NET
<![CDATA[<%@ 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) = "班级" + i.ToString
dr(1) = "【孟子E章】" + 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 s()
{
var t = document.getElementById("<%=gridview1.clientid%>");
var t2 = t.cloneNode(true)
for(i = t2.rows.length -1;i > 0;i--)
t2.deleteRow(i)
t.deleteRow(0)
a.appendChild(t2)
}
window.onload = s
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>创建表头固定，表体可滚动的GridView</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>
]]>