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POview model in mvc4 showing errors
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  1. POview model in mvc4 showing errors
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    copied!<p>I have a mvc4 application.Where users can create new projects and add comments on each project. ( I cant work out the comment adding part)</p> <p>I have two models 1.Comment</p> <pre><code>public partial class Comment { public int CommentID { get; set; } public string Title { get; set; } public int ProjectID { get; set; } public string Rating { get; set; } public virtual Project Project { get; set; } } </code></pre> <p>2.Project</p> <pre><code>public partial class Project { public Project() { this.Comments = new HashSet&lt;Comment&gt;(); } public int ProjectID { get; set; } public string Name { get; set; } public string Goal { get; set; } public virtual ICollection&lt;Comment&gt; Comments { get; set; } } </code></pre> <p>Now I want to display the following action links on project controllers index page : Edit | Details | Delete | Add Comment (The edit,details and delete functionalities are working fine but cant create comments)</p> <p>This is my project controller :</p> <pre><code>using System; using System.Collections.Generic; using System.Data; using System.Data.Entity; using System.Linq; using System.Web; using System.Web.Mvc; using ProjectCreation.Models; namespace ProjectCreation.Controllers { public class ProjectController : Controller { private ProjectCreationEntities db = new ProjectCreationEntities(); // // GET: /Project/ public ActionResult Index() { return View(db.Projects.ToList()); } // // GET: /Project/Details/5 public ActionResult Details(int id = 0) { Project project = db.Projects.Find(id); if (project == null) { return HttpNotFound(); } return View(project); } // // GET: /Project/Create public ActionResult Create() { return View(); } // // POST: /Project/Create [HttpPost] public ActionResult Create(Project project) { if (ModelState.IsValid) { db.Projects.Add(project); db.SaveChanges(); return RedirectToAction("Index"); } return View(project); } // // GET: /Project/Edit/5 public ActionResult Edit(int id = 0) { Project project = db.Projects.Find(id); if (project == null) { return HttpNotFound(); } return View(project); } // // POST: /Project/Edit/5 [HttpPost] public ActionResult Edit(Project project) { if (ModelState.IsValid) { db.Entry(project).State = EntityState.Modified; db.SaveChanges(); return RedirectToAction("Index"); } return View(project); } // // GET: /Project/Delete/5 public ActionResult Delete(int id = 0) { Project project = db.Projects.Find(id); if (project == null) { return HttpNotFound(); } return View(project); } // // POST: /Project/Delete/5 [HttpPost, ActionName("Delete")] public ActionResult DeleteConfirmed(int id) { Project project = db.Projects.Find(id); db.Projects.Remove(project); db.SaveChanges(); return RedirectToAction("Index"); } protected override void Dispose(bool disposing) { db.Dispose(); base.Dispose(disposing); } ** public ActionResult Comment(int id = 0) { Comment comment = db.Comments.Find(id); if (comment == null) { return HttpNotFound(); } return View(comment); } [HttpPost] public ActionResult Comment(Comment comment) { if (ModelState.IsValid) { db.Comments.Add(comment); db.SaveChanges(); return RedirectToAction("Index"); } return View(comment); } ** } } </code></pre> <p>I somehow cant create a comment on clicking on the "Add Comment link ". Rest of the project controller is working fine. This is my comment controller action's view page :</p> <pre><code>@model ProjectCreation.Models.Comment @{ ViewBag.Title = "Comment"; } &lt;h2&gt;Comment&lt;/h2&gt; @using (Html.BeginForm()) { @Html.ValidationSummary(true) &lt;fieldset&gt; &lt;legend&gt;Comment&lt;/legend&gt; &lt;div class="editor-label"&gt; @Html.LabelFor(model =&gt; model.Title) &lt;/div&gt; &lt;div class="editor-field"&gt; @Html.EditorFor(model =&gt; model.Title) @Html.ValidationMessageFor(model =&gt; model.Title) &lt;/div&gt; &lt;div class="editor-label"&gt; @Html.LabelFor(model =&gt; model.ProjectID) &lt;/div&gt; &lt;div class="editor-label"&gt; @Html.EditorFor(model =&gt; model.ProjectID) &lt;/div&gt; &lt;div class="editor-label"&gt; @Html.LabelFor(model =&gt; model.Rating) &lt;/div&gt; &lt;div class="editor-field"&gt; @Html.EditorFor(model =&gt; model.Rating) @Html.ValidationMessageFor(model =&gt; model.Rating) &lt;/div&gt; &lt;p&gt; &lt;input type="submit" value="Create" /&gt; &lt;/p&gt; &lt;/fieldset&gt; } &lt;div&gt; @Html.ActionLink("Back to List", "Index") &lt;/div&gt; @section Scripts { @Scripts.Render("~/bundles/jqueryval") } </code></pre> <p>Can someone please guide me .I m passing the project id accurately.I cant seem to create a new comment.The view page is opened but nothing is updated. It even shows a drop down for project id instead of label.</p>
 

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