private bool CheckTonTai(int intLuongCoSo)
{
bool kq = false;
clsDM_LuongCoSo obj = new clsDM_LuongCoSo();
kq = obj.CheckTonTai(intLuongCoSo);
return kq;
}
private void LoadGridView()
{
clsDM_LuongCoSo obj = new clsDM_LuongCoSo();
TableDanhMucLuongCoSo = obj.GetAll();
grdDM_LuongCoSo.DataSource = TableDanhMucLuongCoSo;
}