利用递归绑定DevExpress.XtratreeList.TreeList数据

 在进行项目开发过程中、曾遇到过需用到dev系列的treelist进行数据绑定、将方法贴出来希望对有需要的朋友有所帮助.

  

    1 
    

    2 
   

    3 
           
   ///
    
   <summary>
   

    4 
           
   ///
    treeList绑定

    5 
          
   ///
    
   </summary>
   

    6 
           
   ///
    
   <param name="parent">
   父ID
   </param>
   

    7 
   
           
   private
    
   void
    TreeListBind(
   string
    parent)

    8 
           {

    9 
               treeList1.Nodes.Clear();

   10 
               
   if
    (collection.Count 
   <
    
   1
   )

   11 
                   
   return
   ;

   12 
               var items 
   =
    from s 
   in
    collection

   13 
                           
   where
    s.Parent 
   ==
    parent

   14 
                           select s;

   15 
               
   if
    (items.Count() 
   <
    
   1
   )

   16 
                   
   return
   ;

   17 
               TreeListNode Node 
   =
    treeList1.AppendNode(
   "
   id
   "
   , 
   null
   );

   18 
                
   Node.SetValue(
   0
   , 
   "
   Name
   "
   );

   23 
               
   foreach
    (var st 
   in
    items)

   24 
               {

   25 
                   
   if
    (st.IsDeleted)

   26 
                       
   continue
   ;

   27 
                   TreeListNode tn 
   =
    treeList1.AppendNode(st.ID, Node);

   28 
                   tn.SetValue(treeListColumn1, st.Name);

   29 
                   tn.Tag 
   =
    st;

   30 
                   GetCentralChild(tn, st.ID.ToString());

   31 
               }

   32 
               treeList1.ExpandAll();

   33 
           }

   34 
   

   35 
           
   private
    
   void
    GetCentralChild(TreeListNode tn, 
   string
    parent)

   36 
           {

   37 
               var items 
   =
    from s 
   in
    collection

   38 
                           
   where
    s.Parent 
   !=
    
   null
    
   &&
    s.Parent 
   ==
    parent

   39 
                           select s;

   40 
               
   if
    (items.Count() 
   <
    
   1
   )

   41 
                   
   return
   ;

   42 
               
   foreach
    (var st 
   in
    items)

   43 
               {

   44 
                   
   if
    (st.IsDeleted)

   45 
                       
   continue
   ;

   46 
                   TreeListNode tns 
   =
    tn.TreeList.AppendNode(st.ID, tn);

   47 
                   tns.SetValue(treeListColumn1, st.Name);

   48 
                   tns.Tag 
   =
    st;

   49 
                   GetCentralChild(tns, st.ID.ToString());

   50 
               }

   51 
           }