Error executing template "Designs/Swift/Navigation/Custom_BreadcrumbNavigation.cshtml"
System.ArgumentException: Get page requires a page ID greater than zero, page ID was 0
   at Dynamicweb.Core.Ensure.That[TException](Boolean condition, String message)
   at Dynamicweb.Content.PageService.GetPage(Int32 pageId)
   at CompiledRazorTemplates.Dynamic.RazorEngine_c7adb6c3115e46d7bd146f88d57268ca.Execute() in E:\Solutions\Milton\Files\Templates\Designs\Swift\Navigation\Custom_BreadcrumbNavigation.cshtml:line 49
   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     @using Dynamicweb.Content
  2     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.Navigation.NavigationTreeViewModel>
  3     
  4     @if (!Pageview.IsVisualEditorMode)
  5     {
  6     	string menuId = Model.Parameters.ContainsKey("menu-id") ? $"menu_{Model.Parameters["menu-id"].ToString().ToLower()}" : string.Empty;
  7     	bool showProductInBreadcrumb = Model.Parameters.ContainsKey("showProductInBreadcrumb") ? Dynamicweb.Core.Converter.ToBoolean(Model.Parameters["showProductInBreadcrumb"]) : false;
  8     
  9     	<ol class="breadcrumb small mb-0 @menuId">
 10     		@{
 11     			var breadCrumbNavigationTree = new Stack<Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel>(Model.Nodes);
 12     			
 13     			while (breadCrumbNavigationTree.Count > 0)
 14     			{
 15     				var currentNode = breadCrumbNavigationTree.Pop();
 16     				
 17     				if (currentNode.ShowInBreadcrumb)
 18     				{
 19     					@*if (!string.IsNullOrEmpty(currentNode.Link))
 20     					{
 21     						<li class="breadcrumb-item">
 22     							<a href="@currentNode.Link">
 23     								@currentNode.Name
 24     							</a>
 25     						</li>
 26     					}
 27     					else
 28     					{
 29     						<li class="breadcrumb-item">
 30     							@currentNode.Name
 31     						</li>
 32     					}
 33     					*@
 34     				}
 35     				foreach (var nextNode in currentNode.Nodes)
 36     				{
 37     					breadCrumbNavigationTree.Push(nextNode);
 38     				}
 39     			}
 40     		}
 41     		@if (showProductInBreadcrumb && !string.IsNullOrEmpty(Dynamicweb.Context.Current.Request.QueryString["ProductID"]))
 42     		{
 43     			string productid = Dynamicweb.Context.Current.Request.QueryString["ProductID"];
 44     			string variantid = Dynamicweb.Context.Current.Request.QueryString["VariantID"];
 45     			var product = Dynamicweb.Ecommerce.Services.Products.GetProductById(productid, variantid, Dynamicweb.Ecommerce.Common.Context.LanguageID);
 46     			var group = Dynamicweb.Ecommerce.Services.ProductGroups.GetGroup(product.PrimaryGroupId, Dynamicweb.Ecommerce.Common.Context.LanguageID);
 47     			Dynamicweb.Frontend.LinkViewModel link = new Dynamicweb.Frontend.LinkViewModel();
 48     			
 49     			link = new Dynamicweb.Frontend.LinkViewModel()
 50     			{
 51     				Url = "/Default.aspx?ID=" + Services.Pages.GetPage(group.Meta.PrimaryPageId).Parent.ID + "&GroupID=" + string.Join(",", product.PrimaryGroupId)
 52     			};
 53     		
 54     			<li class="breadcrumb-item">
 55     				<a href="/">
 56     					Forside
 57     				</a>
 58     			</li>
 59     			
 60     			if (product != null)
 61     			{
 62     				<li class="breadcrumb-item">
 63     					<a href="@link">
 64     						@group.Name
 65     					</a>
 66     				</li>
 67     				<li class="breadcrumb-item">
 68     					@product.Name
 69     				</li>
 70     			}
 71     		}
 72     	</ol>
 73     }
 74     else if (Model.Nodes.Count() < 2)
 75     {
 76     	<div class="alert alert-dark m-0" role="alert">
 77     		<span>@Translate("Breadcrumb navigation: The navigation will be shown here, if any")</span>
 78     	</div>
 79     }
 80