private void btnback_Click(object sender, EventArgs e)
{
this.Hide();
Qlythietbi form = new Qlythietbi();
form.ShowDialog();
}
private void btn_signin_Click(object sender, EventArgs e)
{
this.DialogResult = DialogResult.OK;
SqlConnection conn = new SqlConnection(chuoiketnoi);
try
{
conn.Open();
string user = txtuser.Text;
string pass = txtpass.Text;
string sql = "select *from Dangnhap where username = '******' and pass = '******' ";
SqlCommand cmd = new SqlCommand(sql, conn);
SqlDataReader dta = cmd.ExecuteReader();
if (dta.Read() == true)
{
this.Hide();
Qlythietbi thietbi = new Qlythietbi();
thietbi.ShowDialog();
}
else
{
DialogResult tb = MessageBox.Show("Dang nhap that bai! \nTai khoan khong ton tai !!!", "Thông báo", MessageBoxButtons.RetryCancel, MessageBoxIcon.Information);
if (tb == DialogResult.Retry)
{
txtpass.Clear();
txtpass.Focus();
}
}
}
catch (Exception ex)
{
MessageBox.Show("Connect database error");
}
if (chk_remember.Checked)
{
Properties.Settings.Default.Username = txtuser.Text;
Properties.Settings.Default.Password = txtpass.Text;
Properties.Settings.Default.Save();
}
else
{
Properties.Settings.Default.Username = "";
Properties.Settings.Default.Password = "";
Properties.Settings.Default.Save();
}
}
