//+++ ham dang nhap public bool Login(string tk, string mk) { TAIKHOAN TK = new TAIKHOAN(); DataProvider context = new DataProvider(); //TK.TENTAIKHOAN = tk TAIKHOAN DN = context.TAIKHOANs.FirstOrDefault(p => p.TENTAIKHOAN == tk && p.MATKHAU == mk); if (DN != null) { return(true); } return(false); }
public bool checkUserName(string Tk) { TAIKHOAN tk = new TAIKHOAN(); DataProvider context = new DataProvider(); tk.TENTAIKHOAN = Tk; TAIKHOAN tkDH = context.TAIKHOANs.FirstOrDefault(p => p.TENTAIKHOAN == tk.TENTAIKHOAN); if (tkDH == null) { return(true); } return(false); }
//+++ ham chuc nang public void addAccount(string tk, string mk) { TAIKHOAN TK = new TAIKHOAN(); DataProvider contextDB = new DataProvider(); TK.TENTAIKHOAN = tk; TK.MATKHAU = mk; TAIKHOAN tkDH = contextDB.TAIKHOANs.FirstOrDefault(p => p.MATK.ToString() == TK.MATK.ToString()); if (tkDH == null) { contextDB.Database.ExecuteSqlCommand("Insert into TAIKHOAN( TENTAIKHOAN,MATKHAU) Values('" + TK.TENTAIKHOAN + "','" + TK.MATKHAU + "')"); contextDB.SaveChanges(); } }