GridView中全選CheckBox
<%@ Page Language="VB" AutoEventWireup="true" CodeFile="Default.aspx.vb" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<script type="text/javascript">
function SelectAll(id)
{
var grid = $get("<%= GridView1.ClientID %>");
var cell;
if (grid.rows.length > 0)
{
for (i=1; i<grid.rows.length; i++)
{
cell = grid.rows[i].cells[0];
for (j=0; j<cell.childNodes.length; j++)
{
if (cell.childNodes[j].type =="checkbox")
{
cell.childNodes[j].checked = $get(id).checked;
}
}
}
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="CustomerID"
DataSourceID="SqlDataSource1">
<Columns>
<asp:TemplateField HeaderText="Select All">
<AlternatingItemTemplate>
<asp:CheckBox ID="cbSelectAll" runat="server" />
</AlternatingItemTemplate>
<HeaderTemplate>
<asp:CheckBox ID="cbSelectAll" runat="server" Text="Select All" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="cbSelectAll" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="CustomerID" HeaderText="CustomerID" ReadOnly="True" SortExpression="CustomerID" />
<asp:BoundField DataField="CompanyName" HeaderText="CompanyName" SortExpression="CompanyName" />
<asp:BoundField DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName" />
<asp:BoundField DataField="ContactTitle" HeaderText="ContactTitle" SortExpression="ContactTitle" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
SelectCommand="SELECT [CustomerID], [CompanyName], [ContactName], [ContactTitle] FROM [Customers]">
</asp:SqlDataSource>
</div>
</form>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<script type="text/javascript">
function SelectAll(id)
{
var grid = $get("<%= GridView1.ClientID %>");
var cell;
if (grid.rows.length > 0)
{
for (i=1; i<grid.rows.length; i++)
{
cell = grid.rows[i].cells[0];
for (j=0; j<cell.childNodes.length; j++)
{
if (cell.childNodes[j].type =="checkbox")
{
cell.childNodes[j].checked = $get(id).checked;
}
}
}
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="CustomerID"
DataSourceID="SqlDataSource1">
<Columns>
<asp:TemplateField HeaderText="Select All">
<AlternatingItemTemplate>
<asp:CheckBox ID="cbSelectAll" runat="server" />
</AlternatingItemTemplate>
<HeaderTemplate>
<asp:CheckBox ID="cbSelectAll" runat="server" Text="Select All" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="cbSelectAll" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="CustomerID" HeaderText="CustomerID" ReadOnly="True" SortExpression="CustomerID" />
<asp:BoundField DataField="CompanyName" HeaderText="CompanyName" SortExpression="CompanyName" />
<asp:BoundField DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName" />
<asp:BoundField DataField="ContactTitle" HeaderText="ContactTitle" SortExpression="ContactTitle" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
SelectCommand="SELECT [CustomerID], [CompanyName], [ContactName], [ContactTitle] FROM [Customers]">
</asp:SqlDataSource>
</div>
</form>
</body>
</html>
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound 
Protected
If e.Row.RowType = DataControlRowType.Header Then CType(e.Row.FindControl("cbSelectAll"), CheckBox).Attributes.Add("onclick", "javascript:SelectAll('" & _ CType(e.Row.FindControl("cbSelectAll"), CheckBox).ClientID & "')") End If 
End Sub