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

Ömer Faruk Dinçer