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POHow to withdraw code from an action method into helper in Asp.Net MVC 3?
 

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  1. POHow to withdraw code from an action method into helper in Asp.Net MVC 3?
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    <p>I'm writing my app using Asp.Net MVC 3. In my controller I have two action methods with the very same code apart from one line. Here it is: </p> <pre><code> [HttpPost] public ActionResult EditPost(Post post) { if (ModelState.IsValid) { _postsRepository.UpdatePost(post); return RedirectToAction("NewsFeed"); } return View("EditPost", post); } [HttpPost] public ActionResult AddPost(Post post) { if (ModelState.IsValid) { _postsRepository.UpdatePost(post); return RedirectToAction("NewsFeed"); } return View("AddPost", post); // the return view is different } </code></pre> <p>So, I want to withdraw all this code into helper method. </p> <p>What I've already tried: </p> <p>1) I tried to put all the code into helper method and pass as parameters ModelState.IsValid and View name. And then in AddPost and EditPost I call this helper method instead of code listed above. Here is the new code: </p> <pre><code> [HttpPost] // also tried without this attribute public ActionResult HelperPost(Post post, string viewName, bool modelState) { if (modelState) { _postsRepository.UpdatePost(post); return RedirectToAction("NewsFeed"); } return View(viewName, post); } [HttpPost] // also tried without this attribute public void AddPost(Post post) { HelperPost(post, "AddPost", ModelState.IsValid); } </code></pre> <p>The EditPost code is almost the same. The view name is "EditPost".</p> <p>When I run the app and AddPost method executes the validation works and the new post is created but this line never executes: </p> <pre><code>return RedirectToAction("NewsFeed"); </code></pre> <p>So I'm redirected to "AddPost" view again and again.</p> <p>2) Also tried to redirect to HelperPost method instead of calling it withing AddPost and EditPost. The result is still the same: seems like RedirectToAction("NewsFeed") doesn't execute. (Here I neglected the validation just to simplify the example, cause I would have to create new model with properties: Post post, string viewName, bool modelState). The code: </p> <pre><code>[HttpPost] // tried without attribute public void AddPost(Post post) { return RedirectToAction("HelperPost", post); } [HttpPost] // tried without attribute public RedirectToRouteResult HelperUpdatePost(Post post) { _postsRepository.UpdatePost(post); return RedirectToAction("NewsFeed"); } </code></pre> <p>So, How could I refactor my code so my action methods (EditPost and AddPost) would not contain the same chunk of code? </p> <p><b>p.s.</b> I need different views for AddPost and EditPost methods cause the "back to content" links in them are different. So, I can't just redirect to the EditPost view from AddPost method. </p> <p>Thanks for help in advance!</p>
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