public void AddChiMucThanhPho(string districtCode, string districtName)
{
dtb_district x = new dtb_district();
x.district_code = districtCode;
x.district_name = districtName;
db.dtb_districts.InsertOnSubmit(x);
db.SubmitChanges();
}
public void DeleteChiMucThanhPho(string districtCode)
{
dtb_district f = db.dtb_districts.Where(s => s.district_code == districtCode).Single();
if (f == null)
{
return;
}
db.dtb_districts.DeleteOnSubmit(f);
db.SubmitChanges();
}
