protected void gvCard_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                ////GridViwe高亮显示
                 e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='#6699ff'");
                e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor");
             ///得到删除按钮  
              LinkButton lb = e.Row.FindControl("lbtnDelet") as LinkButton;
                
                ///GridView的模版列中的修改按钮
                LinkButton updatelb = e.Row.FindControl("lbtUpdate") as LinkButton;
                ///取到点击这一行的主键
                Label lblcardid = e.Row.FindControl("lblCardId") as Label;
                ///在修改按钮上注册onclick事件，把主键传入模版列，并在子窗体关闭时刷新父窗体
                ///window.location.reload();刷新页面

                updatelb.Attributes.Add("onclick", string.Format("window.showModalDialog('CardUpdate.aspx?cardid={0}','scroll=yes;resizable=yes;help=no;');window.location.reload();", lblcardid.Text));

                ////给删除按钮加确定删除事件
                lb.Attributes.Add("onclick", "return confirm('确认删除吗？')");
            }
        }