public static void loadWholeMasterPosition() { MasterInformationViewModel.WholeMasterPosition_.Clear(); MasterInformationViewModel.masterPositionMap_.Clear(); MATSER_INFO_Table_DAOManager mt_daoM = new MATSER_INFO_Table_DAOManager(); mt_daoM.selectAll(DataBaseConnectManager.ConnectionFactory("myDB")); foreach (var dao in mt_daoM.DAOList_) { Excel_instrumentViewModel e_ivm = CodeClassificationGenerator.CreateInstrument(dao.ITEM_CODE_); e_ivm.MasterInformationViewModel_.setFromDAO(dao); MasterInformationViewModel.WholeMasterPosition_.Add(e_ivm); MasterInformationViewModel.masterPositionMap_.Add(e_ivm.MasterInformationViewModel_.Item_code_, e_ivm); } }