public bool Insert(string MSSV, string MaNV, string Khu, string MaPhong, string HocKi, string NamHoc,
DateTime NgayGioDK, int ThoiHan, DateTime NgayBD, ref int identity, ref string error)
{
try
{
PHIEUDK pdk = new PHIEUDK()
{
MSSV = MSSV,
MaNV = MaNV,
Khu = Khu,
MaPhong = MaPhong,
HocKi = HocKi,
NamHoc = NamHoc,
NgayGioDK = NgayGioDK,
ThoiHan = (byte)ThoiHan,
NgayBD = NgayBD,
};
entities.PHIEUDKs.Add(pdk);
entities.SaveChanges();
error = "";
identity = pdk.MaPDK;
return(true);
}
catch (Exception ex)
{
error = ex.Message;
return(false);
}
}
private bool Delete_PhieuDK(string MaPDK, ref string error)
{
try
{
int pdk = Convert.ToInt32(MaPDK);
PHIEUDK PhieuDK = new PHIEUDK()
{
MaPDK = pdk
};
entities.PHIEUDKs.Attach(PhieuDK);
entities.PHIEUDKs.Remove(PhieuDK);
entities.SaveChanges();
error = "";
return(true);
}
catch (Exception ex)
{
error = ex.Message;
return(false);
}
}
