private void ComboBoxBindData(ComboBox cbbMaster) { cbbMaster.DataSource = null; cbbMaster.Items.Clear(); List <MasterAirwayBillEntity> masterBillList = _repositoryShipment.GetAllAirwaybill(); masterBillList = masterBillList.OrderByDescending(x => x.DateArrived).ToList(); if (masterBillList != null && masterBillList.Count > 0) { cbbMaster.DataSource = masterBillList; cbbMaster.ValueMember = "Id"; cbbMaster.DisplayMember = "MasterAirwayBill"; } }