/// <summary>
 ///     Add the model state errors to the response.
 /// </summary>
 /// <param name="responseBase">The response base.</param>
 /// <param name="modelState">The model state.</param>
 public static void AddModelErrors(this ResponseBase responseBase, ModelStateDictionary modelState)
 {
     foreach (var item in modelState)
     {
         foreach (var error in item.Value.Errors)
         {
             responseBase.AddError(item.Key, error.ErrorMessage);
         }
     }
 }