Validation failed for one or more entities. See 'EntityValidationErrors' property for more details.

 catch (DbEntityValidationException ex)
            {
                foreach (var validationErrors in ex.EntityValidationErrors)
                {
                    foreach (var validationError in validationErrors.ValidationErrors)
                    {
                        Trace.TraceInformation("Property: {0} Error: {1}",
                                                validationError.PropertyName,
                                                validationError.ErrorMessage);
                    }
                }
                }