//loaddata private void Form2_Load(object sender, EventArgs e) { QuanLyNguoiDungEntities enity = new QuanLyNguoiDungEntities(); string tenLoaiNguoiDung = (from taikhoan in enity.TaiKhoans join nguoidung in enity.NguoiDungs on taikhoan.IdNguoiDung equals nguoidung.IdNguoiDung join loainguoidung in enity.LoaiNguoiDungs on nguoidung.IdLoaiNguoiDung equals loainguoidung.IdLoaiNguoiDung where taikhoan.Username == Form1.username select loainguoidung.TenLoai).FirstOrDefault(); var loaiNguoiDung = (from taikhoan in enity.TaiKhoans join nguoidung in enity.NguoiDungs on taikhoan.IdNguoiDung equals nguoidung.IdNguoiDung join loainguoidung in enity.LoaiNguoiDungs on nguoidung.IdLoaiNguoiDung equals loainguoidung.IdLoaiNguoiDung where taikhoan.Username == Form1.username select loainguoidung).FirstOrDefault(); // List<Quyen> quyens = loaiNguoiDung.Quyens.ToList(); textBox1.Text = tenLoaiNguoiDung; if (tenLoaiNguoiDung.Trim() == "G1") { btn1.Enabled = true; btn2.Enabled = true; btn3.Enabled = true; btn4.Enabled = true; btn5.Enabled = true; } else if (tenLoaiNguoiDung.Trim() == "G2") { btn1.Enabled = true; btn2.Enabled = true; btn3.Enabled = true; btn4.Enabled = false; btn5.Enabled = false; } //MessageBox.Show(quyens.ToString()); }
private void button1_Click(object sender, EventArgs e) { QuanLyNguoiDungEntities enity = new QuanLyNguoiDungEntities(); var user = enity.TaiKhoans.Where(u => u.Username == Form1.username && u.Password == textBox1.Text).FirstOrDefault(); if (user != null) { user.Password = textBox2.Text; enity.SaveChanges(); MessageBox.Show("Mật Khẩu thay đổi thành công"); this.Close(); } else { MessageBox.Show("Mật Khẩu hiện tại không đúng"); textBox1.Clear(); textBox2.Clear(); } }