private void buttonMainAdaugaParticipant_Click(object sender, EventArgs e) { string nume = textBoxMainNume.Text; int varsta = Int32.Parse(numericUpDownVarsta.Value.ToString()); Participant participant = new Participant(1, nume, varsta, 0); try { controller.AdaugaParticipant(participant); MessageBox.Show("Participant adaugat cu succes!"); } catch (ValidationException ve) { MessageBox.Show(ve.Message); } buttonMainAdaugaParticipant.Enabled = false; buttonMainAdaugaParticipare.Enabled = false; textBoxMainNume.Text = ""; dataGridViewParticipanti.Invoke(new Action(() => dataGridViewParticipanti.ClearSelection())); comboBoxMainProba.SelectedItem = null; comboBoxMainProba.SelectedItem = null; }