Showing exception message from controller class to view page

Question

I have defined a method in try catch block in HomeController.cs in my MVC3 Razor project. Now please tell how wil I show this exception message on my view page?

Answer 1

If you want to show the error message on the same view:

[HttpPost]
public ActionResult Add(Model model)
{
    try
    {
        // some code...
        return RedirectToAction("Success");
    }
    catch (SomeException ex)
    {
        ModelState.AddModelError("", ex.Message);
        return View(model);
    }
}

and inside your Add.cshtml view you could use the ValidationSummary helper to display the error message:

@Html.ValidationSummary()