static void Main(string[] args)
{
int temp;
string tempstr;
ClassCtrl classCtrl = new ClassCtrl();
DBCtrl dbCtrl = new DBCtrl();
DBCon dbCon = new DBCon();
int id = 1;
SqlDataReader rs = dbCon.ExecuteStringGet("SELECT * FROM Class where id=(SELECT classId FROM Student where id=" + id + ");");
bool tempb = rs.();
Console.WriteLine(tempb);
Console.WriteLine(rs.GetInt32(0));
//for (int i = 0; i<10; i++)
// {
// temp = dbCtrl.GetClassFromStudentId(i).Id;
// Console.WriteLine(temp);
// }
// for (int i = 0; i<10; i++)
// {
// temp = classCtrl.GetClassByStudentId(i).Id;
// }
}
