DevExpress CMB下拉树

使用控件

PopupContainerControl
TreeList
PopupContainerEdit

控件关联

PopupContainerControl关联属性到PopupContainerEdit中

 TreeList控件填充到PopupContainerControl中

 TreeList设置

 代码

        public void InitialCMB()
        {
 
            try
            {
 
                DataTable zqDt = GetDataTable(string.Format("SELECT {0},{1},{2},{3} from {4}  where {5}<=5 order by {0} ", Common.zqPara.ZQID, Common.zqPara.ZQPID, Common.zqPara.ZQColdField, Common.zqPara.ZQNameField, Common.zqPara.ZQTable, Common.zqPara.ZQJB));//
                if (zqDt == null || zqDt.Rows.Count == 0)
                {
                    MessageBox.Show("配置文件中没有政区数据");
                    return;
                }
                treeListZQ.DataSource = zqDt;
                treeListZQ.KeyFieldName = Common.zqPara.ZQID.ToLower();
                treeListZQ.ParentFieldName = Common.zqPara.ZQPID.ToLower();
                treeListZQ.Columns.ColumnByFieldName(Common.zqPara.ZQColdField.ToLower()).Visible = false;//隐藏id列
                popupContainerControlZQ.Height = 1000;
            }
            catch (System.Exception ex)
            {
                MessageBox.Show("初始政区树异常：" + ex.Message);
            }
        }
        private void popupContainerEditZQCODE_QueryPopUp(object sender, CancelEventArgs e)
        {
            PopupContainerEdit popupedit = (PopupContainerEdit)sender;
            popupContainerControlZQ.Width = popupedit.Width;
            if (popupContainerEditZQCODE.Text != "")
            {
                //TreeListNodes lstNode = treeListZQ.Nodes;
                //SetFocusedNodeByDisplayText(treeListZQ, lstNode, textZQNAME.Text);
                TreeListNode pFocusNode = this.treeListZQ.FindNodeByFieldValue(Common.zqPara.ZQColdField, selZQCode);
                this.treeListZQ.SetFocusedNode(pFocusNode);
                this.treeListZQ.FocusedNode = pFocusNode;
                treeListZQ.Refresh();
            }
        }
 
        private void treeListZQ_FocusedNodeChanged(object sender, DevExpress.XtraTreeList.FocusedNodeChangedEventArgs e)
        {
            DevExpress.XtraTreeList.Nodes.TreeListNode node = e.Node;
            selZQCode = node[Common.zqPara.ZQColdField.ToLower()].ToString();
 
            //if (popupContainerEditZQCODE.IsPopupOpen)
            //{
            popupContainerEditZQCODE.Text = node[Common.zqPara.ZQNameField.ToLower()].ToString();
            //    popupContainerEditZQCODE.ClosePopup();
            //    popupContainerEditZQCODE.ClosePopup();
            //}
        }