Пример #1
0
        private void simpleButton1_Click(object sender, EventArgs e)
        {
            SqlConnection connect = new SqlConnection(@"Data Source=HP\SQLEXPRESS;Initial Catalog=QLSieuThi;Integrated Security=True");

            try
            {
                connect.Open();
                string tk  = txtDangNhap.Text.Trim();
                string mk  = txtPass.Text.Trim();
                string sql = "Select * from User where (Username = N'" + tk + "')"
                             + "And (Password = '******')";
                SqlCommand    sqlcm = new SqlCommand(sql, connect);
                SqlDataReader dt    = sqlcm.ExecuteReader();
                if (dt.Read() == true)
                {
                    panel2.Controls.Clear();
                    FrMain fr = new FrMain();
                    fr.TopLevel = false;
                    panel2.Controls.Add(fr);
                    fr.Show();
                }
                else
                {
                    MessageBox.Show("Đăng nhập thất bại!");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("Lỗi đăng nhập!");
            }
        }
Пример #2
0
        private void metroTileItem2_Click(object sender, EventArgs e)
        {
            FrMain form = new FrMain();

            form.yonghu = yonghu;

            form.Show();
        }