1.
<asp:TemplateColumn HeaderText="选择">
<ItemTemplate><asp:CheckBox id="Checkbox1" runat="server" OnCommand="checkBox_Click" CommandName="Del" CommandArgument= '<%# DataBinder.Eval(Container.DataItem,"ID") %>'></asp:CheckBox></ItemTemplate></asp:TemplateColumn>
2.
public void checkBox_Click(object sender,CommandEventArgs e)
{
if(e.CommandName=="Del")
Response.Redirect("del.aspx?GuestID=" + e.CommandArgument);
....
}