private void LoadBranches(string RegionCode) { dataTable = datafile.GetDistrictByRegionCode(RegionCode); cboBranches.DataSource = dataTable; cboBranches.DataValueField = "DistrictCode"; cboBranches.DataTextField = "DistrictName"; cboBranches.DataBind(); if (dataTable.Rows.Count > 0) { if (dataTable.Rows.Count == 1) { cboBranches.Enabled = false; string district = dataTable.Rows[0]["DistrictID"].ToString(); cboBranches.SelectedIndex = cboBranches.Items.IndexOf(cboBranches.Items.FindByValue(district)); } else { cboBranches.Enabled = true; } } else { cboBranches.Enabled = false; } }