Пример #1
0
        private void button3_Click(object sender, EventArgs e)
        {
            QUANLI main = new QUANLI();

            this.Hide();
            main.Show();
            main.FormClosed += (s, ev) => this.Close();
        }
Пример #2
0
        private void btn_dangNhap_Click(object sender, EventArgs e)
        {
            SqlConnection conn      = new SqlConnection(@"Data Source=.;Initial Catalog=QuanLySieuThi;Integrated Security=True");
            string        sqlSelect = @"select nv.ChucVu
                                from NHANVIEN nv, TAIKHOANNHANVIEN  tk
                                where nv.MaNhanVien = tk.MaNhanVien and tk.TenDangNhap ='" + txt_tenDangNhap.Text + "' and tk.MatKhau = '" + txt_matKhau.Text + "'";

            conn.Open();
            SqlCommand cmd = new SqlCommand(sqlSelect, conn);

            cmd.CommandType = CommandType.Text;
            SqlDataReader reader = cmd.ExecuteReader();

            if (reader.Read() == true)
            {
                if (reader[0].ToString() == "Nhân viên quản lí")
                {
                    QUANLI main = new QUANLI();
                    this.Hide();
                    main.Show();
                    main.FormClosed += (s, ev) => this.Close();
                }
                else if (reader[0].ToString() == "Nhân viên phân phối")
                {
                    PHANPHOIHANGHOA main = new PHANPHOIHANGHOA();
                    this.Hide();
                    main.Show();
                    main.FormClosed += (s, ev) => this.Close();
                }
                else
                {
                    THUNGAN main = new THUNGAN();
                    this.Hide();
                    main.Show();
                    main.FormClosed += (s, ev) => this.Close();
                }
            }
            else
            {
                MessageBox.Show("Ban dang nhap chua thanh cong ");
                txt_tenDangNhap.Text = "";
                txt_matKhau.Text     = "";
                txt_tenDangNhap.Focus();
            }
        }