public string LoadTreeFormatJson(string regName, string ds)
        {
            SetPostDataSet(ds);
            var           dt  = GetCodeTableInstance(regName);
            TreeCodeTable cdm = dt as TreeCodeTable;
            // cdm.Initialize(PostDataSet);
            TreeCodeTableModel result = null;
            string             key    = "";

            bool isCodeValue = HasCodeValue(cdm, ref key);

            if (isCodeValue)
            {
                result = cdm.GetDisplayTreeNode(key);
                if (result == null)
                {
                    result = cdm.GetChildrenNode(cdm.Root);
                }
            }
            else
            {
                result = cdm.GetChildrenNode(cdm.Root);
            }
            //FormaterTreeText(result);
            //if (result != null && result.Children != null)
            //{
            if (result.CODE_VALUE == "0")
            {
                return(ReturnJson(result.Children.ToArray()));
            }
            else
            {
                if (result.Children.Count() == 1)
                {
                    if (result.Children.First().CODE_VALUE == cdm.Root)
                    {
                        return(ReturnJson(result.Children.ToArray()));
                    }
                }
                result.CODE_TEXT = cdm[result.CODE_VALUE].CODE_TEXT;
                //result.open = true;
            }
            //}
            //else
            return(ReturnJson(new TreeCodeTableModel[] { result }));
            //return FastJson(result);
        }
        public string LoadSubtreeFormatJson(string ztree, string ds, string regName, string CODE_VALUE)
        {
            SetPostDataSet(ds);
            var           dt  = GetCodeTableInstance(regName);
            TreeCodeTable cdm = dt as TreeCodeTable;

            if (!ztree.IsEmpty())
            {
                CODE_VALUE = (ztree.Split('=')[1]).ToString();
            }
            if (string.IsNullOrEmpty(CODE_VALUE))
            {
                CODE_VALUE = cdm.Root;
            }
            var res = cdm.GetChildrenNode(CODE_VALUE);

            //if (CODE_VALUE == "0")
            //FormaterTreeText(res);
            return(ReturnJson(res.Children.ToArray()));
            //  return FastJson(res);
        }