datagridview中设置某列为下拉框如何弄

datagridview中设置某列为下拉框怎么弄
datagridview中设置某列为下拉框怎么弄

[解决办法]
datagridcomboboxcolumn
?
[解决办法]

C# code

        private void Form1_Load(object sender, EventArgs e)        {            dataGridView1.Columns.Add(new DataGridViewComboBoxColumn());                        List<Item> data=new List<Item>();            for (int i = 0; i < 10; i++)            {                Item item = new Item();                item.str1 = i.ToString();                item.list.AddRange(new string[] {"sfa","fasa","sfasf" });                item.str2 = (i + 1).ToString();                data.Add(item);                dataGridView1.Rows.Add();                DataGridViewComboBoxColumn com = (dataGridView1.Columns[0] as DataGridViewComboBoxColumn);                com.DataSource = item.list;            }            //dataGridView1.DataSource=data;        }    }    class Item    {         string _str1;         List<string> _list = new List<string>();         string _str2;        public string str1        {            get {                return _str1;            }            set {                _str1 = value;            }        }        public List<string> list        {            get            {                return _list;            }            set            {                _list = value;            }        }        public string str2        {            get            {                return _str2;            }            set            {                _str2 = value;            }        }    }