private void roomToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form_Room a = new Form_Room();

            this.Hide();
            a.ShowDialog();
            this.Show();
        }
Пример #2
0
        private void btn_login_Click(object sender, EventArgs e)
        {
            byte[] temp    = ASCIIEncoding.ASCII.GetBytes(txt_password.Text);
            byte[] hasData = new MD5CryptoServiceProvider().ComputeHash(temp);
            string hasPass = "";

            foreach (byte item in hasData)
            {
                hasPass += item;
            }
            try
            {
                conn.Open();
                command             = conn.CreateCommand();
                command.CommandText =
                    "Select* from Account where UserName = '******' "
                    + "and Password = '******'";
                SqlDataReader dta = command.ExecuteReader();
                if (dta.Read() == true)
                {
                    Form_Room a = new Form_Room();
                    this.Hide();
                    a.ShowDialog();
                    this.Show();
                }
                else
                {
                    MessageBox.Show("Đăng nhập thất bại !");
                }
                conn.Close();
            }
            catch (Exception)
            {
                MessageBox.Show("Lỗi đăng nhập!");
            }
        }