private void btAdicionar_Click(object sender, EventArgs e)
        {
            cadastroFuncionarios form = new cadastroFuncionarios();

            if (form.ShowDialog() == DialogResult.OK)
            {
                PopularGrid();
            }
            else
            {
                PopularGrid();
            }
        }
        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            if (dataGridView1.CurrentRow.Index != -1)
            {
                cadastroFuncionarios form = new cadastroFuncionarios(Convert.ToInt32(dataGridView1.CurrentRow.Cells["ID"].Value), "update");

                if (form.ShowDialog() == DialogResult.OK)
                {
                    PopularGrid();
                }
                else
                {
                    PopularGrid();
                }
            }
        }