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POMVC3 Auto Generated code error
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copied!<p>HI i am doing a MVC 3 application. I am using Entity framwork database approach first method. So all the code is generated automatically. But the problem is when i click on "Edit", "Details" and "Delete" link i get this error. </p> <pre><code>The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult Edit(Int32)' in 'Fin_trial_06.Controllers.AuthorController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter. Parameter name: parameters. </code></pre> <p>My controller code is :</p> <pre><code> public ActionResult Details(int? id) { Author authors = _entities.Authors.Single(n => n.Author_ID == id); return View(authors); } public ActionResult Edit(int id) { return View(_entities.Authors.Find(id)); } // POST: /Author/Edit/ [AcceptVerbs(HttpVerbs.Post)] public ActionResult Edit(int id, Author aut) { if (id == null) return View("AuthorNotFound"); try { _entities.Entry(aut).State = EntityState.Modified; _entities.SaveChanges(); TempData["Message"] = "You have successfully Editied Author"; return RedirectToAction("Index"); } catch { return View(); } } public ActionResult Delete(int id) { return View(_entities.Authors.Find(id)); } // POST: /Author/Delete/5 [HttpPost] public ActionResult Delete(int id, Author aut) { try { _entities.Entry(aut).State = EntityState.Deleted; _entities.SaveChanges(); return RedirectToAction("Index"); } catch { return View(); } } </code></pre> <p>Help Please ?</p>

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