public void GetItemList() { try { DtItemList.Clear(); DcItemList.Clear(); DropDownItemName.Refresh(); DtItemList = CmC.GetMasterNamesAndCodes("", 0, 1); if (DtItemList.Rows.Count > 0) { DropDownItemName.DataSource = new BindingSource(CmC.ConvertDataTableToDictionary(DtItemList), null); DropDownItemName.DisplayMember = "Value"; DropDownItemName.ValueMember = "Key"; } } catch (Exception _exception) { CmC.InsertException(_exception); messageShow.singlemsgtext(CmC.ExceptionErrorMessage); } }