devexpress TreeList递归的实例代码

XtraUserControlBlankList_Load(= = = = = ;= = = = = = = = .BlankTreeList.Columns.AddRange( [] {,}, TreeListNode node = .BlankTreeList.FindNodeByFieldValue(, ); == =  (dt.Rows.Count >  (DataRowView dv1 [] nodeview = { dv1[], dv1[], dv1[=].ToString(),dt,tn);

private void GetChild(string upnode, DataTable dt,TreeListNode tn)

       {try{

               DataView dv = new DataView(dt);

               dv.RowFilter = "ParentId = '" + upnode + "'";foreach (DataRowView dv1 in dv)

               {object[] nodeview = { dv1["BlankID"], dv1["BlankName"], dv1["ParentId"] };

                   TreeListNode childnode = BlankTreeList.AppendNode( nodeview , tn);

                   GetChild(dv1["BlankID"].ToString(), dt, childnode);//参数(父级ID,DataTable表,父节点)                }

           }catch (Exception ex)

           {

               MessageBox.Show(ex.Message);

           }

       }

private void BlankTreeList_FocusedNodeChanged_1(object sender, FocusedNodeChangedEventArgs e)

       {

           TreeListNode curNode = e.Node;if (curNode == null) return;

           TxtE1.Text = curNode.GetValue("BlankID").ToString();}