public void OnGet()
 {         
     TempData["AlertMessage"] = "操作成功！";     

 }

@if (TempData["AlertMessage"] != null)
{
    <script>
        alert('@Html.Raw(TempData["AlertMessage"])');
        var p=parent.layer.getFrameIndex(window.name); parent.layer.close(p); parent.location.reload();
    </script>
}