public void zaloguj_Click(object sender, EventArgs e) { string user = tbUser.Text; string pass = tbPass.Text; if (isLogin(user, pass)) { ProgramGlowny gabinet = new ProgramGlowny(); gabinet.Show(); this.Hide(); // this.Close(); } else { MessageBox.Show($"{user} nie istnieje takie konto w bazie"); } }
private void btnZaloguj2_Click(object sender, EventArgs e) { string user = tbUser.Text; string pass = tbPass.Text; string query = $"SELECT id_uzytkownik FROM uzytkownik WHERE uzytkownik_nazwa='{user}' AND haslo='{pass}';"; MySqlCommand cmd = new MySqlCommand(query, conn); try { conn.Open(); cmd.ExecuteNonQuery(); conn.Close(); ProgramGlowny gabinet = new ProgramGlowny(); gabinet.Show(); this.Hide(); } catch (Exception komunikat) { MessageBox.Show(komunikat.Message); } }