public static string cretaGetArticlesRequest(GetArticlesRequest request)
        {
            string sessionID = DateTime.Now.ToString("yyyyMMddHHmmssfff");
            string kmMs = "MS_CHINESECUSTOMERMICROSITE_1_1";
            string sortField = "relevance";
            string sortOrder = "0";

            string query = request.Query;
            string numKCs = request.KmItemForPage.ToString();
            string startKC = request.KmStartFromItem.ToString();
            string userID = request.UserID;
            string kmBrand = request.KmBrand;
            string kmModelId = request.KmModelId;
            string kmMarket = request.KmMarket;
            string kmLanguage = LanguageHandler.GetLanguageCode(request.Lang);

            StringBuilder dialogRequest = new StringBuilder();

            dialogRequest.Append(string.Format("<DialogRequest AppContext=\"KSS\" DebugLevel=\"0\" Entitlements=\"SAL_Public\" MS=\"{0}\" MaxDocLimit=\"250\" NumKCs=\"{1}\" StartKCNum=\"{2}\" Published=\"-KCP_RWCase,-KCP_Threaded,-KCP_Feedback,KCP_Publish\" RequestType=\"Search\" Segments = \"UMAS_ARCHIVESTATE_ACTIVE_1_1\" SessionID=\"{3}\" SortField=\"{4}\" SortOrder=\"{5}\" UserID=\"{6}\">",
                                                kmMs, numKCs, startKC, sessionID, sortField, sortOrder, userID));

            dialogRequest.Append("<Constraints>");
            dialogRequest.Append(string.Format("<Or><Under><Node id=\"{0}\"/></Under></Or>", kmLanguage));
            dialogRequest.Append("</Constraints>");

            if (string.IsNullOrEmpty(query))
                dialogRequest.Append("<UserQuery/>");
            else
                dialogRequest.Append(string.Format("<UserQuery>{0}</UserQuery>", query));
            if (!string.IsNullOrEmpty(kmBrand))
                dialogRequest.Append(string.Format("<Filter ids = \"{0}\" root = \"UMBN_root\" type = \"Standard\"/>", kmBrand));
            if (!string.IsNullOrEmpty(kmModelId))
                dialogRequest.Append(string.Format("<Filter ids = \"{0}\" root = \"SG_root\" type = \"Standard\"/>", kmModelId));
            if (!string.IsNullOrEmpty(kmMarket))
                dialogRequest.Append(string.Format("<Filter ids = \"{0}\" root = \"UMMR_root\" type = \"Standard\"/>", kmMarket));

            dialogRequest.Append(string.Format("<ConfirmedNodes><ConfirmedNode><Node NodeID = \"MODE_user_text\"/></ConfirmedNode><ConfirmedNode><Node NodeID = \"{0}\"/></ConfirmedNode></ConfirmedNodes>", kmLanguage));
            dialogRequest.Append("</DialogRequest>");

            return dialogRequest.ToString();
        }