public qlComputerDataContext getDatacontex() { string str = @"Data Source=DESKTOP-5UEUS4J\LEDUYEN;Initial Catalog=ComputerManager;Integrated Security=True;Encrypt=False;TrustServerCertificate=True"; dt = new qlComputerDataContext(str); dt.Connection.Open(); return(dt); }
public clsPhongHoc() { dt = getDatacontex(); }
public clsMayTinh() { dt = getDatacontex(); }
public clsHonLoan() { dt = getDatacontex(); }