public void LoadGroups() { cbxUndergroup.Properties.Items.Clear(); List <AccountGroupModel> lstUnder = objaccbl.GetListofAccountsGroups(); foreach (AccountGroupModel objUnder in lstUnder) { cbxUndergroup.Properties.Items.Add(objUnder.GroupName); } cbxNaturegroup.Properties.Items.Clear(); List <AccountGroupModel> objNature = objaccbl.GetListofNatureofGroups(); foreach (AccountGroupModel objgroup in objNature) { cbxNaturegroup.Properties.Items.Add(objgroup.NatureGroup); } }