public static bool ThoiHoc(List <string> listMaTre, string maLop)
{
foreach (string maTre in listMaTre)
{
if (string.Compare(TreDAL.GetTinhTrangTrongLop(maTre, maLop).Trim(), "0") == 0)
{
try
{
TreDAL.ThoiHoc(maTre, maLop);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
else
{
return(false);
}
}
return(true);
}