c#设置在datagridview组合框单元格中选择的项

DataGridView dataGridView1 = new DataGridView();
dataGridView1.Columns.Add(new DataGridViewComboBoxColumn());

DataGridViewComboBoxColumn comboBoxColumn = (DataGridViewComboBoxColumn)dataGridView1.Columns[0];
comboBoxColumn.DataSource = new List<string> { "选项1", "选项2", "选项3" };
comboBoxColumn.DisplayMember = "选项名称";

dataGridView1.CellValueChanged += DataGridView1_CellValueChanged;

private void DataGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
    if (e.ColumnIndex == 0 && e.RowIndex >= 0)
    {
        DataGridViewComboBoxCell comboBoxCell = (DataGridViewComboBoxCell)dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
        string selectedValue = comboBoxCell.Value.ToString();
        // 处理选择的项
    }
}