public bool KiemTraTaiKhoan(string TaiKhoan, string MatKhau) { bool f = false; try { //int result = db.CheckUserLogin int result = db.CheckUserLogin(CommandType.StoredProcedure, "spCheckDangNhap", new SqlParameter("@TaiKhoan", TaiKhoan), new SqlParameter("@MatKhau", MatKhau)); if (result > 0) { f = true; } } catch (SqlException) { f = false; } return(f); }