private void buttonConnexion_Click(object sender, EventArgs e) { SqlConnection Connection = new SqlConnection(SqlConnectionString); SqlDataAdapter Select = new SqlDataAdapter("Select * From LoginAdmin where log ='" + textBoxLogin.Text + "' and password ='******'", Connection); DataTable Dt = new DataTable(); Select.Fill(Dt); if (Dt.Rows.Count == 1) { Hide(); PageContact admin = new PageContact(); admin.Show(); } else { MessageBox.Show("Veuillez entre bon login et mot de passe"); textBoxLogin.Text = ""; textBoxMdp.Text = ""; } }
private void button1_Click(object sender, EventArgs e) { PageContact contact = new PageContact(); contact.Show(); }