Model mismatch error when posting form - asp.net

Question

I am working on a simple image upload site in which users will have the ability to post comments on the images uploaded to the site, whenever posting a comment I am given this error :
The model item passed into the dictionary is of type '<>f__AnonymousType1`1[System.Int32]', but this dictionary requires a model item of type 'SilkMeme.Models.Meme'.
I know it has something to do with the model being defined at the top of my view being different to the one I am sending the post request to but I'm not entirely sure how to fix it
View
#model SilkMeme.Models.Meme
....
#using (Html.BeginForm("Comment", "Memes", new { id = Model.SilkId }))
{
<label for="thought">Thoughts?</label>
<input type="text" name="thought"/>
<label for="rating">Rating?</label>
<input name="rating" type="range" min="0" max="10" step="1" />
<input type="submit" value="Post Thoughts" />
}
<div class="thoughts">
#foreach (var c in ViewBag.thoughts)
{
<p>- #c.ThoughtWords , #c.ThoughtRating / 10 meme</p>
}
</div>
Controller
public ActionResult Details(int? id)
{
var thoughts = from comment in db.Thoughts where comment.SilkId == id select comment;
ViewBag.thoughts = thoughts;
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
Meme meme = db.Memes.Find(id);
if (meme == null)
{
return HttpNotFound();
}
return View(meme);
}
[HttpPost]
public ActionResult Comment(int id)
{
int thoughtid = (from m in db.Thoughts select m).OrderByDescending(e => e.ThoughtId).FirstOrDefault().ThoughtId + 1;
if (Request["thought"].ToString() != "")
{
Thought thought = new Thought()
{
ThoughtId = thoughtid,
SilkId = id,
Meme = db.Memes.Find(id),
ThoughtWords = Request["thought"],
ThoughtRating = Int32.Parse(Request["rating"])
};
db.Thoughts.Add(thought);
}
return View("Details", new { id = id });
}

Answer 1

This line.
return View("Details", new { id = id });
It is basically passing an anonymous object with Id property to your view which is strongly typed to Meme type and expects an object of Meme class.
If you save your data successfully, Ideally,you should do a redirect to the GET action (following PRG pattern)
[HttpPost]
public ActionResult Comment(int id)
{
int thoughtid = (from m in db.Thoughts select m)
.OrderByDescending(e => e.ThoughtId).FirstOrDefault().ThoughtId + 1;
if (Request["thought"].ToString() != "")
{
Thought thought = new Thought()
{
ThoughtId = thoughtid,
SilkId = id,
Meme = db.Memes.Find(id),
ThoughtWords = Request["thought"],
ThoughtRating = Int32.Parse(Request["rating"])
};
db.Thoughts.Add(thought);
db.SaveChanges();
}
return RedirectToAction("Details", new { Id=id });
}
Also, I recommend using MVC Modelbinding to read the submitted form data. You will find a ton of examples on stackoverflow to do that. When using ModelBinding, you can return the posted view model back to the view (with an error message if needed) and the ValidationSummary /ValidationMessgeFor helper methods can show an error message to user as needed.