public Boolean readData()
{
StreamReader rd;
if (!File.Exists(fileName))
{
FileStream fs = File.Create(fileName);
rd = new StreamReader(fs, Encoding.UTF8);
}
else
{
rd = new StreamReader(this.fileName);
}
//String idMH, ma_HK, tenMH;
//int soTC, lyThuyet, thucHanh;
String idMN;
idMN = rd.ReadLine();
while (idMN != null)
{
ChiTietDT ct = new ChiTietDT();
ct.SetIdMN(idMN);
ct.SetMaNganh(rd.ReadLine());
chitetdt.Add(ct);
idMN = rd.ReadLine();
}
return(true);
}
public Boolean updateMaNganh(String IDMN, String MaNganh)
{
ChiTietDT ct = chitetdt.Find(x => x.getIDMN().Equals(IDMN));
if (ct != null)
{
return(false);
}
ct.SetIdMN(IDMN);
ct.SetMaNganh(MaNganh);
return(true);
}
public Boolean insertMaNganh(String IDMN, String MaNganh)
{
ChiTietDT ct = chitetdt.Find(x => x.getIDMN().Equals(IDMN));
if (ct != null)
{
return(false);
}
ct = new ChiTietDT(IDMN, MaNganh);
chitetdt.Add(ct);
return(true);
}
//SỬA dl
public bool UpdateData(ChiTietDT dt)
{
cmd.CommandText = "UPDATE chitietphieumuon SET '" + dt.Sophieu + "','" + dt.Masach + "',CONVERT(DATE,'" + dt.Hentra + "',103) WHERE Sophieu ='" + dt.Sophieu + "'";
cmd.CommandType = CommandType.Text;
cmd.Connection = conn.Connection;
try
{
conn.OpenConn();
cmd.ExecuteNonQuery();
conn.CloseConn();
return(true);
}
catch (Exception ex)
{
string mex = ex.Message;
cmd.Dispose();
conn.CloseConn();
}
return(false);
}
internal bool UpdateData(ChiTietDT dtKhoa)
{
throw new NotImplementedException();
}
void ganDL(ChiTietDT dt)
{
dt.Sophieu = txtSoPhieu.Text.Trim();
dt.Masach = txtMaSach.Text.Trim();
dt.Hentra = dateTra.Text.Trim();
}
