public static int Add(DiemThi lt,SQLiteConnection connection )
{
DataProvider dtb = new DataProvider (connection);
if (dtb.GetDT (lt.NamHoc,lt.Hocky).Count==0) {
return dtb.AddDT (lt);
}
return 0;
}
public static DiemThi GetDT (SQLiteConnection connection, string hocky, string namhoc)
{
DataProvider dtb = new DataProvider (connection);
return dtb.GetDT (hocky,namhoc);
}