如何显示表的确定删除

<asp:TemplateField ShowHeader="False">
<ItemTemplate>
<asp:LinkButton runat="server" CausesValidation="False" CommandName="Delete"
Text="删除" OnClientClick='return confirm("Are you sure you want to delete this record?");'></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>

-------------RowDeleting method------------------------------------------------

protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
Response.Write("<script>window.confirm('确定删除吗？');</script>");
}

-------------RowDataBound method--------------------------------------------------------------
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
((LinkButton)e.Row.Cell