private void btnAddFast_Click(object sender, EventArgs e) { try{ if (!string.IsNullOrWhiteSpace(txtStart.Text)) { DataStoreModel _reModel = new DataStoreModel(); List <DataStoreModel> getDataStoreModels = _listDic.GetRange(Convert.ToInt32(txtStart.Text), Convert.ToInt32(txtEnd.Text)); foreach (DataStoreModel dataStoreModel in getDataStoreModels) { dataStoreModel.Id = Unitils.RandomGUID(); dataStoreModel.Date = dateDate.Value.ToString("dd/MM/yyyy"); } _dataStoreEntity.AddByList(getDataStoreModels); GetAll(); myFlagChange(true); mainStatus.Text = (string)statusObj["AddSuccess"]; } else { mainStatus.Text = (string)statusObj["AddFaile"]; } } catch { mainStatus.Text = (string)statusObj["AddFaile"]; } }