public class field        {            public string Name { get; set; }            public string Explain { get; set; }        }        List<field> list = new List<field>();        private void simpleButton1_Click(object sender, EventArgs e)        {            lueList.Properties.DataSource = list;  //设置数据源  lueList 为LookUpEdit 控件        }        private void lueList_EditValueChanged(object sender, EventArgs e)        {            field f = (field)lueList.EditValue; //获取选中的值        }