在DataGridViewComboboxColumn上设置所选项

DataGridViewComboBoxColumn myDgvBoxColumn = new DataGridViewComboBoxColumn();
List<int> list = new List<int> {1, 2, 3, 4, 5}; // 定义一组编号列表
myDgvBoxColumn.DataSource = list; // 定义数据源
myDgvBoxColumn.DisplayMember = "姓名"; // 设置显示用的字段
myDgvBoxColumn.ValueMember = "Id"; // 设置值字段
DataGridView1.DataSource = new[] { new { Name = "", Id = 0}, new { Name = "", Id = 0}, new { Name = "", Id = 0}, new { Name = "", Id = 0}, new { Name = "", Id = 0}}; // 定义数据源
this.Controls.Add(DataGridView1);
DataGridView1.Columns.AddRange(new DataGridViewColumn[] {myDgvBoxColumn}); // 动态添加DataGridViewColumn数据列