Error executing template "Designs/identity_v2/ecom/productlist/partials/navigation.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_db2d80569ca640ac8e027e7435665751.Execute() in D:\dynamicweb.net\Solutions\staging-id.espresso4.dk-e5\Files\Templates\Designs\identity_v2\ecom\productlist\partials\navigation.cshtml:line 70
   at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)
   at Dynamicweb.Rendering.Template.RenderRazorTemplate()


  1     @inherits ViewModelTemplate< ModuleModel >
  2     @using Co3.Espresso.Website.Models.FrontEnd.Paragraphs
  3     @using Co3.Espresso.Website.Services
  4     @using Dynamicweb.Frontend
  5     @using Dynamicweb.Rendering
  6     @using Dynamicweb.Rendering.Translation
  7     
  8     @if ( Model.Item.NavigationShow == "True" )
  9     {
 10         int currentPageParentId = PageView.Current().Page.ParentPageId;
 11         string navigationParentId = string.IsNullOrEmpty( Model.Item.NavigationParentPage ) == false ? Model.Item.NavigationParentPage : Model.Page.ID;
 12         string navigationBackLinkHref = string.Empty;
 13         string navigationBackLinkText = string.Empty;
 14         if ( Model.Item.NavigationBackLinkShow == "True" )
 15         {
 16             if ( !string.IsNullOrEmpty( Model.Item.NavigationBackLinkHref ) )
 17             {
 18                 navigationBackLinkHref = Model.Item.NavigationBackLinkHref;
 19             }
 20             else
 21             {
 22                 navigationBackLinkHref = string.Format( "/Default.aspx?ID={0}", currentPageParentId != 0 ? currentPageParentId.ToString() : navigationParentId );
 23             }
 24             if ( !string.IsNullOrEmpty( Model.Item.NavigationBackLinkText ) )
 25             {
 26                 navigationBackLinkText = Model.Item.NavigationBackLinkText;
 27             }
 28             else
 29             {
 30                 string navigationBackLinkPageIdAsString = navigationBackLinkHref.Split( new string[] {"ID="}, StringSplitOptions.None ).LastOrDefault();
 31                 int navigationBackLinkPageIdAsInt;
 32                 if ( int.TryParse( navigationBackLinkPageIdAsString, out navigationBackLinkPageIdAsInt ) )
 33                 {
 34                     navigationBackLinkText = PageService.Instance.GetPage( navigationBackLinkPageIdAsInt )?.MenuText;
 35                 }
 36                 if ( string.IsNullOrEmpty( navigationBackLinkText ) )
 37                 {
 38                     navigationBackLinkText = Translate( "Navigation - Back link - Text", "Back" );
 39                 }
 40             }
 41         }
 42     
 43             <div class="e-productlist-filters-group js-e-productlist-filters-group d-none d-lg-block border-bottom-0">
 44                 <p class="e-productlist-filters-group-header small mb-0 py-1" style="margin-top: .425em;">
 45                     @if ( Model.Item.NavigationBackLinkShow == "True" )
 46                     {
 47                         <a class="arrow-left e-nav-local-back-link pt-2 small" href="@navigationBackLinkHref">
 48                             <span class="e-nav-pagename">@navigationBackLinkText</span>
 49                         </a>
 50                     }
 51     
 52                     <span class="e-productlist-filters-group-name h3 m-0">
 53                         @Model.Item.NavigationHeading
 54                     </span>
 55                 </p>
 56                 <fieldset id="e-productlist-filters-group-navigation" class="e-productlist-filters-group-options small mt-1">
 57                     <div class="e-nav-local e-nav-local-vertical mb-2">
 58                         <nav class="e-nav-local-container">
 59                             <ul class="nav flex-column">
 60                                 @RenderNavigation( new {id = "dwnav-local-" + Model.Id, parentid = navigationParentId, template = "local-vertical.xslt", startlevel = Model.Item.NavigationLevelStart, endlevel = Model.Item.NavigationLevelEnd, expandmode = "path"} )
 61                             </ul>
 62                         </nav>
 63                     </div>
 64                 </fieldset>
 65             </div>
 66     
 67     }
 68     
 69     
 70     @if ( (bool)PageView.Current().Area.Item["BrandMenuShow"] == true )
 71     {
 72         string secondaryParentPageId = PageView.Current().Area.Item["BrandMenuParentPage"].ToString();
 73     
 74         <div class="e-productlist-filters-group js-e-productlist-filters-group d-none d-lg-block">
 75                 <p class="e-productlist-filters-group-header small mb-0 py-1" style="margin-top: .425em;">
 76                     <span class="e-productlist-filters-group-name h3 m-0">
 77                         @((string)PageView.Current().Area.Item["BrandMenuHeading"])
 78                     </span>
 79                 </p>
 80                 <fieldset id="e-productlist-filters-group-navigation" class="e-productlist-filters-group-options small mt-1">
 81                     <div class="e-nav-local e-nav-local-vertical mb-2">
 82                         <nav class="e-nav-local-container">
 83                             <ul class="nav flex-column">
 84                                 @RenderNavigation( new {id = "dwnav-local-" + Model.Id + "2", parentid = secondaryParentPageId, template = "local-vertical.xslt", startlevel = 1, endlevel = 2, expandmode = "path"} )
 85                             </ul>
 86                         </nav>
 87                     </div>
 88                 </fieldset>
 89             </div>
 90     
 91     }
 92