public Guid Create(Nullable <System.Guid> questionGroupId, Nullable <System.Guid> quizId, Nullable <byte> order, string imagePath, string mediaPath, string paragraph, string optionA, string optionB, string optionC, string optionD, Nullable <byte> answer) { var questionId = Guid.NewGuid(); var result = (int)db.qz_Question_Create( questionId, questionGroupId, quizId, order, imagePath, mediaPath, paragraph, optionA, optionB, optionC, optionD, answer).Single(); if (result > 0) { return(questionId); } else { return(Guid.Empty); } }