Action代码：

[HttpPost]

public ActionResult _CreateComment(PhotoCommentEditModel model)

{

if (!ModelState.IsValid)

return View(model);

PhotoComment comment = model.AsPhotoComment();

if (comment.Body.Contains("error"))//测试，当输入error的时候表示出错

{

WebUtility.SetStatusCodeForError(Response);

return View("_CreateComment", new PhotoCommentEditModel() { PhotoId = model.PhotoId });

}

else

{

this.photoCommentService.Create(comment);

return Json(new { comment.Id });

}

}

View代码：

@using (Html.BeginAjaxForm("_CreateComment", "HtmlHelper", FormMethod.Post,

new AjaxFormOptions().SetOnSuccessCallBack("success").SetOnErrorCallBack("error")))

{

//...

}

function error() {

alert("error");

}

function success() {

$("#PhotoComments").load("@(Url.Action("_PhotoComments", new { photoId = 1 }))");

}