private void PopulateDomain_(string BannerID) { ddlAssessment.Items.Clear(); Assessment ass = new Assessment(); Collection<Assessment> assList = new Collection<Assessment>(); assList = ass.GetAssessmentBySOID(BannerID); //assList = ass.GetAllAssessmnet(); foreach (Assessment assment in assList) { ddlAssessment.Items.Add(assment.AssessmentName); } }