public ActionResult SignUp(ProviderUserModel USV)
 {
     if (ModelState.IsValid)
     {
         ProviderManager UM = new ProviderManager();
         if (!UM.IsLoginNameExist(USV.ProviderName))
         {
             UM.AddUserAccount(USV);
             FormsAuthentication.SetAuthCookie(USV.ProviderName, false);
             return(RedirectToAction("Welcome", "Home"));
         }
         else
         {
             ModelState.AddModelError("", "Login Name already taken.");
         }
     }
     return(View());
 }