private void LoadData() { AdministratorRepository ARepo = new AdministratorRepository(); SalesmanRepository SRepo = new SalesmanRepository(); var SaleList = SRepo.GetSaleToDashboard(); if (chkAddAdmin.Checked) { var listAdmin = ARepo.GetAdminToDashboard(); foreach (var item in listAdmin) { SaleList.Add(item); } } grdSalemen.DataSource = SaleList; grdSalemen.Rebind(); }