在ASP.NET MVC中重定向錯誤5

Question

我已經創建了一個使用asp.net mvc 5的表單，當我點擊提交按鈕它成功提交數據。這意味着它成功地在我的控制器中調用Create方法。我添加了

RedirectToAction("Index", "ExaminationManager"); 

代碼在Create方法中的最後一行代碼。但是這不會重定向到「索引」。它總是重定向到「創建」。

這是我的看法代碼：

@model TutionWeb1.Models.ViewModels.ExaminationManagerVM.ExamViewModel 


@using (Html.BeginForm("Create", "ExaminationManager", FormMethod.Post, new { id = "createForm" })) 
      { 
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"> 
    <div class="modal-dialog"> 
    <div class="modal-content"> 
     <div class="modal-header"> 
      <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button> 
      <h4 class="modal-title" id="myModalLabel">Modal title</h4> 
     </div> 
     <div class="modal-body"> 

       @Html.AntiForgeryToken() 

       <div class="form-horizontal"> 

        @Html.ValidationSummary(true) 

        <div class="form-group"> 
         @Html.LabelFor(model => model.SubjectID, new { @class = "control-label col-md-2" }) 
         <div class="col-md-10"> 

          @Html.DropDownListFor(model => model.SubjectCategoryID, ViewBag.SubjectCategoriyID as SelectList, "Select a Subject Category", new { id = "SubjectCategory", @class = "form-control" }) 
          @Html.ValidationMessageFor(model => model.SubjectCategoryID) 
          <br/> 
          @Html.DropDownListFor(model => model.SubjectID, Enumerable.Empty<SelectListItem>(), "Select a Subject", new { id = "SubjectID", @class = "form-control" }) 
          @Html.ValidationMessageFor(model => model.SubjectID) 
         </div> 



         </div> 


        <div class="form-group"> 
         @Html.LabelFor(model => model.ExamName, new { @class = "control-label col-md-2" }) 
         <div class="col-md-10"> 
          @Html.TextBoxFor(model => model.ExamName, new { @class = "form-control", placeholder = "Exam Name" }) 
          @Html.ValidationMessageFor(model => model.ExamName) 
         </div> 
        </div> 

        <div class="form-group"> 
         @Html.LabelFor(model => model.ExamNote, new { @class = "control-label col-md-2" }) 
         <div class="col-md-10"> 
          @Html.TextBoxFor(model => model.ExamNote, new { @class = "form-control", placeholder = "Description" }) 
          @Html.ValidationMessageFor(model => model.ExamNote) 
         </div> 
        </div> 


        <div class="form-group"> 
         @Html.LabelFor(model => model.EnrollKey, new { @class = "control-label col-md-2" }) 
         <div class="col-md-10"> 
          @Html.TextBoxFor(model => model.EnrollKey, new { @class = "form-control", placeholder = "Enrollment Key" }) 
          @Html.ValidationMessageFor(model => model.EnrollKey) 
          </div> 
         </div> 


        </div> 



      </div> 
      <div class="modal-footer"> 
       <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> 
       <input type="submit" class="btn btn-primary" value="Submit" /> 
      </div> 
     </div> 
    </div> 
</div> 

} 

<script type="text/javascript" src="http://code.jquery.com/jquery-1.10.0.min.js"></script> 
<script type="text/jscript"> 
    $(function() { 
    $('#SubjectCategory').change(function() { 
      $.getJSON('/ExaminationManager/SubjectsList/' +   $('#SubjectCategory').val(),  function (data) { 
       var items = '<option value="">Select a District</option>'; 
       $.each(data, function (i, subject) { 
        items += "<option value='" + subject.Value + "'>" + subject.Text +  "</option>"; 
       }); 
       $('#SubjectID').html(items); 
      }); 
     }); 
    }); 
</script> 

阿賈克斯用於下拉級聯。

這是創建動作代碼：

[HttpPost] 
    public void Create(ExamViewModel vm) 
    { 

     if (ModelState.IsValid) 
     { 

      Mapper.CreateMap<ExamViewModel, Examination>(); 
      var exam = new Examination(); 
      Mapper.Map<ExamViewModel, Examination>(vm, exam); 
      exam.TutorID = KEY_TUTOR_ID; 
      service_exam.CreateExam(exam); 
      RedirectToAction("Index", "ExaminationManager"); 
     } 


    } 

編輯： Index操作：

public ActionResult Index(int? page) 
    { 

     var examinationdata = new ExaminationManagerViewModel(); 


     ViewBag.SubjectCategoriyID = new SelectList(service_subject_category.GetSubjectCategories(KEY_LANG), "SubjectCategoryID", "SubjectCategoryName"); 


     IEnumerable<SubjectsResult> subjects_mod = service_subject.GetSubjectsByTutor(KEY_TUTOR_ID,KEY_LANG); 
     Mapper.CreateMap<SubjectsResult, SubjectListViewModel>(); 
     var subjects = Mapper.Map<IEnumerable<SubjectsResult>, List<SubjectListViewModel>>(subjects_mod); 
     examinationdata.Subjects = subjects; 


     IEnumerable<Examination> exams = service_exam.GetExams(KEY_TUTOR_ID).ToList(); 
     Mapper.CreateMap<Examination, ExamRowViewModel>(); 
     var attachments = Mapper.Map<IEnumerable<Examination>, List<ExamRowViewModel>>(exams); 
     examinationdata.Exam = new ExamViewModel(); 
     examinationdata.Exams = attachments.ToList().ToPagedList(page ?? 1,3); 

     return View(examinationdata); 

    } 

Answer 1

其因您的創建方法是無效的，並且沒有返回。

你可以嘗試這樣的事情來重定向：

Response.Redirect("/[ControllerName]/[ActionName]");

然而，這將是最好堅持到MVC模式，

public ActionResult Create(ExamViewModel vm)