private void button1_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection(@"Data Source=DESKTOP-C339597\COUNDOULT;Initial Catalog=Gestioncommerciale;Integrated Security=True");
SqlDataAdapter sda = new SqlDataAdapter("select count(*) from Utilisateur where Login = '******' and Password = '******'", conn);
DataTable dt = new DataTable();
sda.Fill(dt);
if (dt.Rows[0][0].ToString() == "1")
{
this.Hide();
article mm = new article();
mm.Show();
}
else
{
MessageBox.Show(" please enter correct login and password", "alert", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
