/// <summary>
        /// reutrn Error page's content.
        /// </summary>
        public List <LLMain> returnErrorObject(string errMsg)
        {
            List <LLMain> ifModelIsBlankList = new List <LLMain>();
            LLMain        ifModelIsBlankObj  = new LLMain();

            ifModelIsBlankObj.PageName = "Document Not Found !!";
            ifModelIsBlankObj.Content  = errMsg;
            ifModelIsBlankList.Add(ifModelIsBlankObj);
            return(ifModelIsBlankList);
        }
 /// <summary>
 /// constructing and structuring page's content based on Page name passed as query string parameter named 'id'
 /// </summary>
 public List <LLMain> getAllContent(string id, List <LLMain> requ, List <LLMain> allContent)
 {
     //content structuring for all the pages
     foreach (var i in allContent)
     {
         HtmlAgilityPack.HtmlDocument htmlDocument = new HtmlAgilityPack.HtmlDocument();
         htmlDocument.LoadHtml(i.Content);
         if (System.Web.HttpContext.Current.Session.IsNewSession)
         {
             var    htmlNodes = htmlDocument.DocumentNode.SelectNodes("//div[@class='ms-rte-layoutszone-inner']");
             string res       = "";
             foreach (HtmlNode item in htmlNodes)
             {
                 res += item.InnerHtml;
             }
             i.Content = res;
             requ.Add(i);
         }
         else
         {
             string res = "";
             res       = htmlDocument.DocumentNode.InnerHtml;
             i.Content = res;
             requ.Add(i);
         }
     }
     //when page not found
     if (requ.Count() == 0)
     {
         List <LLMain> ifModelIsBlankList = new List <LLMain>();
         LLMain        ifModelIsBlankObj  = new LLMain();
         ifModelIsBlankObj.PageName = "Page Not Found";
         ifModelIsBlankObj.Content  = "<div align='center' class='mt-4'><img src='/Content/img/WorkingOnIt.gif'></img><br/></div>";
         ifModelIsBlankList.Add(ifModelIsBlankObj);
         requ = ifModelIsBlankList;
     }
     // returning structured content back to Index Action Result
     return(requ);
 }