ExampleController.cs

[HttpGet]
public ActionResult FormA()
{
  var model = _example.GetModel();
  return PartialView(model);
}
[HttpPost]
[MultiformPostProtection] /* Verifies form token matches this action, Form A, otherwise returns FormA() */
[ValidateAntiForgeryToken]
public ActionResult FormA(ExampleModel model)
{
  return Content("Form A - Submitted!");
}
[HttpGet]
public ActionResult FormB()
{
  var model = _example.GetModel();
  return PartialView(model);
}
[HttpPost]
[MultiformPostProtection] /* Verifies form token matches this action name, Form B, otherwise returns FormB() */
[ValidateAntiForgeryToken]
public ActionResult FormB(ExampleModel model)
{
  return Content("Form B - Submitted!");
}