gridview行点击事件提示缺少对象

        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)

        {

            if (e.Row.RowType == DataControlRowType.DataRow)

            {

                string username = ((System.Data.DataRowView)(e.Row.DataItem)).Row["Fusername"] as string;



                string userpassword = ((System.Data.DataRowView)(e.Row.DataItem)).Row["Fuserpassword"] as string;



                string userflag = ((System.Data.DataRowView)(e.Row.DataItem)).Row["fuserflag"] as string;



                e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#8EC26F'");

                //当鼠标移开时还原背景色

                e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");

                //设置悬浮鼠标指针形状为"小手"

                e.Row.Attributes["style"] = "Cursor:hand";



                e.Row.Attributes.Add("onClick", "getuserInfo('" + username + "','" + userpassword + "','" + userflag + "')");

                //e.Row.Attributes.Add("onClick", "test()");

            }

        }

        function getInfo(Fusername, Fuserpassword, Fuserflag) {

            alert(Fusername);

            window.opener.getuserInfo(Fusername, Fuserpassword, Fuserflag);

            window.close();

        }