树节点处理FINEUI

[c#]代码库

    private void LoadData()
    {
        // 模拟从数据库返回数据表
        DataTable table = GetProductTable();

        DataSet ds = new DataSet();
        ds.Tables.Add(table.Copy());
        ds.Relations.Add("TreeRelation", ds.Tables[0].Columns["Id"], ds.Tables[0].Columns["ParentId"]);

        foreach (DataRow row in ds.Tables[0].Rows)
        {
            if (row.IsNull("ParentId"))
            {
                FineUI.TreeNode node = new FineUI.TreeNode();
                node.Text = row["Text"].ToString();
                node.NodeID = row["ID"].ToString();
                node.EnablePostBack = true;
                node.Expanded = true;

                ProductTree.Nodes.Add(node);

                ResolveSubTree(row, node);
            }
        }


    }

    public DataTable GetProductTable()
    {

        DataTable ProductTable = Common.NoPager2("factorManagement", "", "ID,Valided,sort_name AS Text,sort_parentID AS ParentId", "ID", "sortType=1 AND Valided=1").Tables[0];
        ProductTable.Rows[0]["ParentId"] = DBNull.Value;
        return ProductTable;


    }

    private void ResolveSubTree(DataRow dataRow, FineUI.TreeNode treeNode)
    {
        DataRow[] rows = dataRow.GetChildRows("TreeRelation");
        if (rows.Length > 0)
        {

            foreach (DataRow row in rows)
            {
                DataRow[] ChlidRows = row.GetChildRows("TreeRelation");
                if (ChlidRows.Length == 0)
                {
                    FineUI.TreeNode node = new FineUI.TreeNode();
                    node.EnablePostBack = true;
                    node.Expanded = false;

                    node.IconUrl = "../imgs/folder.gif";
                    node.Text = row["Text"].ToString();
                    node.NodeID = row["ID"].ToString();
                    treeNode.Nodes.Add(node);

                }
                else
                {
                    FineUI.TreeNode node = new FineUI.TreeNode();
                    node.EnablePostBack = true;
                    node.Expanded = false;
                    node.Text = row["Text"].ToString();
                    node.NodeID = row["ID"].ToString();
                    treeNode.Nodes.Add(node);
                    ResolveSubTree(row, node);
                }

            }
        }

    }