初始化部门树#region 初始化部门树
    //--------------------------------------------------------------------------------------------------------
    /**//// <summary>
    /// ORM实现对部门树的初始化
    /// </summary>
    /// <param name="toTreeview">指定一个目标treeview</param>
    public static void CompanyTree_Init(TreeView toTreeView)
    {
        toTreeView.Nodes.Clear();
        int iLevel = 1;// tmpCorp.iTreeLevel;
        ORtCompany corp = new ORtCompany();
        ORDataReader<ORtCompany> reader = corp.DataAccessor.ExecuteReader(CommandType.Text, "select * from tCompany where sStatus = '1'", corp, null);
       
        TreeNode tmpNode = new TreeNode();
        foreach (ORtCompany u in reader)//循环每行数据
        {
            if ((int)u.iTreeLevel == iLevel)
            {
                TreeNode rootNode = new TreeNode();
                rootNode.Text = u.sCompany_no.ToString().Trim() + u.sShortname.ToString().Trim();
                rootNode.Value = u.sCompany_no.ToString().Trim();
                rootNode.ToolTip = u.sCompany_name;
                toTreeView.Nodes.Add(rootNode);
                rootNode.Expanded = true;
            }
            else
            {
                tmpNode = null;
                for (int i = 0; i < toTreeView.Nodes.Count; i++)
                {
                    TreeNode ttNode = new TreeNode();
                    ttNode = FindNode(toTreeView.Nodes[i], u.sParent_no.ToString().Trim());
                    if (ttNode != null) tmpNode = ttNode;
                }
                if (tmpNode != null)
                {
                    TreeNode subNode = new TreeNode();
                    subNode.Text = u.sCompany_no.ToString().Trim() + u.sShortname.ToString().Trim();
                    subNode.Value = u.sCompany_no.ToString().Trim();
                    subNode.ToolTip = u.sCompany_name;
                    tmpNode.ChildNodes.Add(subNode);
                    subNode.Expanded = true;
                }
            }
        }
        reader.Close();
    }
    /**//// <summary>
    /// 递归查找父节点
    /// </summary>
    /// <param name="tnParent">指定一个根节点，然后遍历它</param>
    /// <param name="strValue">所要查找的节点的value</param>
    public static TreeNode FindNode(TreeNode tnParent, string strValue)
    {
        if (tnParent == null) return null;
        if (tnParent.Value == strValue) return tnParent;
        TreeNode tnRet = null;
        foreach (TreeNode tn in tnParent.ChildNodes)
        {
            tnRet = FindNode(tn, strValue);
            if (tnRet != null) break;
        }
        return tnRet;
    }
    #endregion