private void materialButtonVisuTodosFun_Click(object sender, EventArgs e)
        {
            dataGridViewTodosFun.DataSource = ManipulaFuncionario.VisualizarTodosFuncionario();

            for (int i = 0; i <= 4; i++)
            {
                dataGridViewTodosFun.Columns[i].HeaderCell.Value = "N° Registro";
                dataGridViewTodosFun.Columns[i].HeaderCell.Value = "Nome";
                dataGridViewTodosFun.Columns[i].HeaderCell.Value = "CPF";
                dataGridViewTodosFun.Columns[i].HeaderCell.Value = "Data de Nascimento";
                dataGridViewTodosFun.Columns[i].HeaderCell.Value = "Fone";
            }
        }