RepositoryItemGridLookUpEdit 使用 ok

private void Form1_Load(object sender, EventArgs e){下拉初始化();gridControl1.DataSource = DemoData.GetGridData();}private void 下拉初始化(){GridView view = rep_Grid.View;view.Columns.Add(new GridColumn { Caption = "货号", FieldName = "GoodsNo", Width = 100, VisibleIndex = 0 });view.Columns.Add(new GridColumn { Caption = "品名", FieldName = "ProductName", Width = 200, VisibleIndex = 1 });view.Columns.Add(new GridColumn { Caption = "客户", FieldName = "CustomerName", Width = 100, VisibleIndex = 2 });rep_Grid.PopupFormSize = new Size(450, 300);//下拉窗体尺寸rep_Grid.AcceptEditorTextAsNewValue = DevExpress.Utils.DefaultBoolean.True; //重要！！！接受文本框的值作为新值显示rep_Grid.View.RowHeight = 22; //行高rep_Grid.ImmediatePopup = true;//输入值立即弹出下拉窗体rep_Grid.SearchMode = GridLookUpSearchMode.AutoSearch;//设置为自动搜索模式，重要！！！rep_Grid.PopupFilterMode = DevExpress.XtraEditors.PopupFilterMode.Contains;//表格筛选列过滤模式rep_Grid.TextEditStyle = DevExpress.XtraEditors.Controls.TextEditStyles.Standard;//允许录入资料rep_Grid.View.OptionsView.ShowAutoFilterRow = true;//下拉表格显示过滤行//绑定下拉窗体数据源rep_Grid.DataSource = DemoData.GetGoodsList();rep_Grid.EditValueChanged += rep_Grid_EditValueChanged;//rep_Grid.ProcessNewValue += OnGrid_ProcessNewValue; //在输入框录入新值处理事件//                                                    //按回车键处理包含关系的新值//rep_Grid.KeyDown += On_GridLookUpEdit_KeyDown;////下拉表格的记录行点击事件//rep_Grid.View.RowClick += On_GridLookUpEdit_RowClick;           
rep_Grid.DisplayMember = "GoodsNo";rep_Grid.ValueMember = "GoodsNo";}private void rep_Grid_EditValueChanged(object sender, EventArgs e){GridLookUpEdit LookupEdit = sender as GridLookUpEdit;GoodsItem SelectedDataRow = (GoodsItem)LookupEdit.GetSelectedDataRow();gridView1.SetFocusedRowCellValue("ProductName", SelectedDataRow.ProductName);gridView1.SetFocusedRowCellValue("Qty", SelectedDataRow.Qty);}

using System.Collections.Generic;internal class DemoData
{/// <summary>/// 表格数据源/// </summary>/// <returns></returns>public static List<GoodsItem> GetGridData(){var result = new List<GoodsItem>(){new GoodsItem{ GoodsNo="G001", ProductName="鼠标01", Qty=200 },new GoodsItem{ GoodsNo="G=A01", ProductName="键盘102", Qty=105 },new GoodsItem{ GoodsNo="Xa-99", ProductName="机箱GameBox", Qty=100 },};return result;}/// <summary>/// 表格下拉窗体数据源/// </summary>/// <returns></returns>public static List<GoodsItem> GetGoodsList(){var result = new List<GoodsItem>(){new GoodsItem{ CustomerName="联想", GoodsNo="G001", ProductName="鼠标01", Qty=200 },new GoodsItem{ CustomerName="ASUS",GoodsNo="A=AC01", ProductName="键盘102", Qty=105 },new GoodsItem{ CustomerName="DELL",GoodsNo="D9B9", ProductName="键盘102", Qty=100 },new GoodsItem{ CustomerName="ACER",GoodsNo="AXa001", ProductName="机箱GameBox", Qty=100 },new GoodsItem{ CustomerName="ACER",GoodsNo="AX8B70", ProductName="键盘A102", Qty=100 },new GoodsItem{ CustomerName="联想",GoodsNo="GXzC", ProductName="鼠标A01", Qty=100 },new GoodsItem{ CustomerName="ASUS",GoodsNo="AXa99B", ProductName="机箱GameBox", Qty=100 },new GoodsItem{ CustomerName="联想",GoodsNo="GXa2", ProductName="鼠标B01", Qty=100 },};return result;}}public class GoodsItem
{public string CustomerName { get; set; }public string ProductName { get; set; }public string GoodsNo { get; set; }public int Qty { get; set; }}