treeviewhelper.cs

本在线考试系统采用了面向对象的分析和设计

using System;
using System.Data;
using System.Configuration;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// TreeViewHelper 的摘要说明
/// </summary>
public class TreeViewHelper
{
    public static  void CreateTreeView(ITreeNode rootNode,TreeView view)
    {
        AddTopTreeViewNodes(rootNode, view);
    }
    private static void AddTopTreeViewNodes(ITreeNode tree, TreeView view)
    {
        IList<ITreeNode> topNodes = tree.GetTopNodes();
        foreach (ITreeNode domainNode in topNodes)
        {
            TreeNode node = new TreeNode(domainNode.Name,domainNode.ID.ToString());

            view.Nodes.Add(node);
            AddChildrenTreeViewNodes(node, domainNode);
        }
    }
    private static void AddChildrenTreeViewNodes(TreeNode parentNode, ITreeNode parentDomainNode)
    {
        foreach (ITreeNode domainNode in parentDomainNode.Children)
        {
            TreeNode node = new TreeNode(domainNode.Name,domainNode.ID.ToString());

            parentNode.ChildNodes.Add(node);
            AddChildrenTreeViewNodes(node, domainNode);
        }
    }
}