include antiforgerytoken in ajax post ASP.NET MVC

Question

I am having trouble with the AntiForgeryToken with ajax. I\'m using ASP.NET MVC 3. I tried the solution in jQuery Ajax calls and the Html.AntiForgeryToken(). Using that solu

Answer 1

You have incorrectly specified the contentType to application/json.

Here's an example of how this might work.

Controller:

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }

    [HttpPost]
    [ValidateAntiForgeryToken]
    public ActionResult Index(string someValue)
    {
        return Json(new { someValue = someValue });
    }
}

View:

@using (Html.BeginForm(null, null, FormMethod.Post, new { id = "__AjaxAntiForgeryForm" }))
{
    @Html.AntiForgeryToken()
}


    Click me to send an AJAX request to a controller action
    decorated with the [ValidateAntiForgeryToken] attribute