Exemple #1
0
 public CauHoi_BAL_DLL()
 {
     db = new DB_QLTracNghiemDataContext();
 }
Exemple #2
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 public GiaoVien_BAL_DLL()
 {
     db = new DB_QLTracNghiemDataContext();
 }
Exemple #3
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 public KetQua_BAL_DLL()
 {
     db = new DB_QLTracNghiemDataContext();
 }