public override int GetHashCode() { unchecked { var hashCode = Id; hashCode = (hashCode * 397) ^ (TestId.HasValue ? TestId.Value : 0); hashCode = (hashCode * 397) ^ ExecutionDate.GetHashCode(); hashCode = (hashCode * 397) ^ (Name != null ? Name.GetHashCode() : 0); hashCode = (hashCode * 397) ^ State.GetHashCode(); hashCode = (hashCode * 397) ^ (ExQuestions != null ? ExQuestions.GetHashCode() : 0); return(hashCode); } }