private void DisplayUserTree(int nodeId, int role)

    {

        this.TreeView1.Nodes.Clear();

        List<SysFun> fatherSysFun = SysFunManager.GetSysFunByParentNodeId(nodeId, role);//从数据库中活的父节点

        foreach (SysFun SysFunOne in fatherSysFun)

        {

            string strText = SysFunOne.DisplayName.ToString();

            string strId = SysFunOne.NodeId.ToString();

            string strUrl = SysFunOne.NodeURL.ToString();

            string strImg = "~/images/menuopen.gif";

            TreeNode fatherTreeNode = CreateTreeNode(strText, strId, strUrl, strImg);//根据节点信息，创建父节点

            List<SysFun> childSysFun = SysFunManager.GetSysFunByParentNodeId(Convert.ToInt32(strId), role);//从数据库中活的子节点

            foreach (SysFun SysFunTwo in childSysFun)

            {

                string _strText = SysFunTwo.DisplayName.ToString();

                string _strId = SysFunTwo.NodeId.ToString();

                string _strUrl = SysFunTwo.NodeURL.ToString();

                string _strImg = "~/images/OpenTree.gif";

                TreeNode childTreeNode = CreateTreeNode(_strText, _strId, _strUrl, _strImg);//根据节点信息，创建子节点

                fatherTreeNode.ChildNodes.Add(childTreeNode);//将子节点加入到父节点下

            }

            this.TreeView1.Nodes.Add(fatherTreeNode);//将父节点加入到用户权限TreeView中

        }

        this.TreeView1.ExpandDepth = 0;

}

/// <summary>

    /// 创建树的节点

    /// </summary>

    /// <param name="strText"></param>

    /// <param name="strId"></param>

    /// <param name="strUrl"></param>

    /// <param name="strImg"></param>

    /// <returns></returns>

    private TreeNode CreateTreeNode(string strText, string strId, string strUrl, string strImg)

    {

        TreeNode treeNode = new TreeNode();

        treeNode.Text = strText;

        treeNode.Value = strId;

        treeNode.NavigateUrl = strUrl;

        treeNode.ImageUrl = strImg;

        return treeNode;

    }

• 本文标题： ASP.NET SQL 动态加载树
• 文章分类：【.NET/Web】
• 非特殊说明，本文版权归【胡同里的砖头】个人博客 所有，转载请注明出处.

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