如何解决'对一个或多个实体的验证失败。有关更多详细信息，请参见“ EntityValidationErrors”属性“

Question

在错误跟踪器中找到此错误。我如何找到确切的问题以及如何解决此异常？

  

一个或多个实体的验证失败。有关更多详细信息，请参见“ EntityValidationErrors”属性。

这是堆栈跟踪中的说明

服务器堆栈跟踪：

  在

  System.ServiceModel.Channels.ServiceChannel.ThrowIfFaultUnderstood（消息   回复，MessageFault错误，字符串操作，MessageVersion版本，   FaultConverter faultConverter）位于   System.ServiceModel.Channels.ServiceChannel.HandleReply（ProxyOperationRuntime   操作，ProxyRpc＆rpc）位于   System.ServiceModel.Channels.ServiceChannel.Call（字符串操作，   布尔型单向，ProxyOperationRuntime操作，Object [] ins，   Object []超时，TimeSpan超时）在   System.ServiceModel.Channels.ServiceChannelProxy.InvokeService（IMethodCallMessage   methodCall，ProxyOperationRuntime操作）在   System.ServiceModel.Channels.ServiceChannelProxy.Invoke（IMessage   消息）

     

在[0]处抛出异常：   System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage（IMessage   reqMsg，IMessage retMsg）   System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke（MessageData＆   msgData，Int32类型）位于   UnifiedSelfServiceWebsite.UnifiedUserAccountService.IUserAccountService.RegisterUser（NewUserRegistrationRequest   newUserRegistrationRequest，品牌商标）   UnifiedSelfServiceWebsite.Controllers.AccountController.Register（RegisterViewModel   模型）在c：.... \ Controllers \ AccountController.cs：第221行   lambda_method（Closure，ControllerBase，Object []）在   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod（ControllerContext   controllerContext，ActionDescriptor actionDescriptor，IDictionary 2 parameters) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c.<BeginInvokeSynchronousActionMethod>b__9_0(IAsyncResult asyncResult, ActionInvocation innerInvokeState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult 2.CallEndDelegate（IAsyncResult   asyncResult）   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod（IAsyncResult   asyncResult）   System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.b__11_0（）   在   System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters。<> c__DisplayClass11_1.b__2（）   在   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters（IAsyncResult   asyncResult）   System.Web.Mvc.Async.AsyncControllerActionInvoker。<> c__DisplayClass3_6.b__3（）   在   System.Web.Mvc.Async.AsyncControllerActionInvoker。<> c__DisplayClass3_1.b__5（IAsyncResult   asyncResult）

这是我的控制人：

 public ActionResult Register(RegisterViewModel model)
 {
     if (!ModelState.IsValid)
     {
         return View(model);
     }

     var verifyAccountViewModel = Session[Identifiers.Session.Account.VerifyModel] as VerifyAccountViewModel;

     if (verifyAccountViewModel == null)
     {
         return RedirectToAction("Login");
     }

     var userAccountService = ServiceHelper.GetUserAccountService();

     var newUserRegistration = new NewUserRegistrationRequest
        {
            FirstName = verifyAccountViewModel.FirstName,
            LastName = verifyAccountViewModel.LastName,
            ZipCode = verifyAccountViewModel.ZipCode,
            PolicyNumber = verifyAccountViewModel.PolicyNumber,
            MemberNumber =
                verifyAccountViewModel.MemberNumber ?? 0,
            UserName = model.UserName,
            Password = model.Password,
            ConfirmPassword = model.ConfirmPassword,
            BirthDate = verifyAccountViewModel.BirthDate,
            PrimaryPhoneNumber = verifyAccountViewModel.PhoneNumber,
            SecurityQuestionAnswers = new List<SecurityQuestionAnswer>
            {
                new SecurityQuestionAnswer
                {
                    SecurityQuestionId = model.SecurityQuestion1Id ?? 0,
                    Answer = model.SecurityQuestion1Answer
                },
                new SecurityQuestionAnswer
                {
                    SecurityQuestionId = model.SecurityQuestion2Id ?? 0,
                    Answer = model.SecurityQuestion2Answer
                }
            }
     };

     var brand = Brand.MYSIte1;

     if (ConfigurationManager.AppSettings["siteBrand"].ToString().ToUpper().Contains("GE")
         brand = Brand.MYSITE2;

     var registrationResult = userAccountService.RegisterUser(newUserRegistration, brand);

     if (!registrationResult.Success)
     {
         var errorMessage = "Failed to complete the registration process due to an unknown error";

         if (registrationResult.Messages != null && registrationResult.Messages.Count > 0)
         {
             errorMessage = registrationResult.Messages[0];
         }

         ModelState.AddModelError(string.Empty, errorMessage);

         return View(model);
     }

     var authenticationResult = userAccountService.AuthenticateUser(model.UserName, model.Password);

     if (!authenticationResult.Authenticated)
     {
         return RedirectToAction("Login");
     }

     CompleteLogin(authenticationResult, model.UserName, model.Password);

     return RedirectToAction("Summary");
}