gridview填加双击事件

protected void sgv1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            ImageButton imgbtnDel =  e.Row.FindControl("imbtnDel") as ImageButton;
            if (imgbtnDel != null)
            {
                e.Row.Attributes.Add("ondblclick", "TR_ondblclick()");
                e.Row.Style.Value = "cursor:hand";
            }
        }

javascript 自带ondblclick双击事件

e.Row.Attributes.Add("ondblclick", "TR_ondblclick()"); //一行填加一个双击事件