b/s中后台删除数据后前台提示删除成功

data.T_student.AddObject(stu);

            int i=data.SaveChanges();

            if (i > 0)

            {

                string message = string.Format("<script>alert('添加成功');location.href='{0}'</script>", Url.Action("Add","Stu"));

                return Content(message, "text/html");

            }

            else

            {

                string message = string.Format("<script>alert('添加失败');location.href='{0}'</script>", Url.Action("Add", "Stu"));

                return Content(message, "text/html");

            }