private void button2_Click(object sender, EventArgs e) { this.Hide(); Accueil ss = new Accueil(); ss.Show(); }
private void button2_Click(object sender, EventArgs e) { SqlConnection Sqlcon = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=C:\Users\JEdhib\Documents\Dataaa.mdf;Integrated Security=True;Connect Timeout=30"); String query = "select * from LOGIN where USERNAME ='******'and PASSWORD='******'"; SqlDataAdapter sda = new SqlDataAdapter(query, Sqlcon); DataTable dt = new DataTable(); sda.Fill(dt); if (dt.Rows.Count == 1) { Accueil ss = new Accueil(); this.Hide(); ss.Show(); } else { MessageBox.Show("Vérifier votre Identifiant et Password"); } if (button1.Text == "LOGIN") { cn = new MySqlConnection("SERVER=localhost;PORT=3306;DATABASE=mabasex1;UID=root;PWD="); try { if (cn.State == ConnectionState.Closed) { cn.Open(); } } catch (Exception ex) { MessageBox.Show(ex.Message); } } }