public qlLinhKienDataContext GetDataContext() { String str = @"Data Source=LAPTOP-A77BJ5G6\SQLEXPRESS;Initial Catalog=QuanLyLinhKien;Integrated Security=True"; dt = new qlLinhKienDataContext(str); dt.Connection.Open(); return(dt); }
public clsLinhKien() { dt = GetDataContext(); }