private void btnAlterar_Click(object sender, EventArgs e) { string strNovoHorario = cbbHorario.Text; string strNovoProfessor = cbbProfessor.Text; string strNovaTurma = cbbTurma.Text.Split('/')[0]; string strNovoBloco = cbbTurma.Text.Split('/')[1]; string strNovoConteudo = rtbConteudo.Text; string strNovaData = mtcCalendario.SelectionStart.ToString("yyyy-MM-dd H:mm:ss"); if (!(strNovoHorario.Equals(strAntigoHorario) && strNovoProfessor.Equals(strAntigoProfessor) && strNovaTurma.Equals(strAntigaTurma) && strNovoBloco.Equals(strAntigoBloco) && strNovoConteudo.Equals(strAntigoConteudo) && strNovaData.Equals(strAntigaData))) { try { ConexaoMySQL conn = new ConexaoMySQL(); bool result = conn.UpdateAula(strNovoHorario, strNovoProfessor, strNovaTurma, strNovoBloco, strNovoConteudo, strNovaData, this.intIDAula); if (!result) { MessageBox.Show("Erro ao atualizar."); } else { MessageBox.Show("Alterado com sucesso."); this.Close(); } } catch (Exception ex) { MessageBox.Show(this.Name + " - Error: " + ex.Message); } } else { this.Close(); } }