private void btnDelete_Click(object sender, EventArgs e) { Deleter deleter = new Deleter(Configuration.ServerAddress); try { string[] ids = new string[1]; ids[0] = user.Id.ToString(); if (deleter.DeleteData("delete_user", ids)) { this.Close(); main.RefreshData(); } else { MessageBox.Show("Błąd usuwania danych"); } } catch (Exception ex) { MessageBox.Show("Błąd usuwania danych"); } }