private void frmRepackCenterStatus_Load(object sender, EventArgs e) { FormLoaded = false; QueryParms = new CustomerServicesParameters(); IList <TLCSV_RePackConfig> RePack = new List <TLCSV_RePackConfig>(); using (var context = new TTI2Entities()) { var ConFigs = context.TLCSV_RePackConfig.GroupBy(x => x.PORConfig_BoxNumber_Key); foreach (var ConFig in ConFigs) { var ConFigPk = ConFig.FirstOrDefault().PORConfig_BoxNumber_Key; var ConFigDesc = ConFig.FirstOrDefault().PORConfig_BoxNumber_Key.ToString(); cmboRepackConfig.Items.Add(new CustomerServices.CheckComboBoxItem(ConFigPk, ConFigDesc, false)); } } FormLoaded = true; }