掌握TreeView用法(4)

 23                 //创建一个节点实例
 24                 TreeNode Fnode = new TreeNode();
 25                 Fnode.Text = item.name;
 26                 Fnode.Tag = item;
 27                 treeView1.Nodes.Add(Fnode);
 28                 GetChildNode(Fnode,(int)item.Id);
 29             }
 30             treeView1.ExpandAll();
 31         }
 32         //遍历子节点 www.2cto.com
 33         protected void GetChildNode(TreeNode Pnode,int id)
 34         {
 35             //获取所有以此节点最为的父节点对象
 36             IEnumerable<ItemsNode> items = new TreeNodeBLL().GetEveryOneByParent(id);
 37             foreach (ItemsNode item in items)
 38             {
 39                 TreeNode Fnode = new TreeNode();
 40                 Fnode.Text = item.name;
 41                 Fnode.Tag = item;//把节点的Tag指向对象
 42                 Pnode.Nodes.Add(Fnode);
 43                 GetChildNode(Fnode, (int)item.Id);
 44             }
 45         }
 46
 47         private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
 48         {
 49             ItemsNode item = (ItemsNode)e.Node.Tag;
 50             tb_content.Text = item.content;