Error executing template "Designs/ClientBase_generated/eCom/ProductCatalog/pdp_config.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at Bluedesk.DynamicWeb.ItemTypes.BaseSolution.Frontend.EcomFrontendServices.RenderProductAndVariants(String ProductId, String VariantId, String GroupId, String LangId, PageView PageView)
   at CompiledRazorTemplates.Dynamic.RazorEngine_3e561d76488d47fbaeb0bcc61f616101.Execute() in C:\home\site\wwwroot\files\Templates\Designs\ClientBase_generated\eCom\ProductCatalog\pdp_config.cshtml:line 16
   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<ProductViewModel>
  2     
  3     @using Dynamicweb;
  4     @using Dynamicweb.Rendering;
  5     @using Dynamicweb.Caching;
  6     @using Dynamicweb.Content;
  7     @using Dynamicweb.Content.Items;
  8     @using Dynamicweb.Ecommerce.ProductCatalog
  9     @using Bluedesk.DynamicWeb.ItemTypes.BaseSolution;
 10     @using Bluedesk.DynamicWeb.ItemTypes.BaseSolution.Frontend;
 11     
 12     
 13     @{
 14     	EcomFrontendServices EcomFrontendServices = new EcomFrontendServices();
 15     
 16     	ProductAndVariantsObj ProductAndVariantsObj = EcomFrontendServices.RenderProductAndVariants(Model.Id, Model.VariantId, Model.PrimaryOrDefaultGroup.Id, Pageview.Area.EcomLanguageId, Pageview);
 17     	Dynamicweb.Context.Current.Session["ProductAndVariants"] = ProductAndVariantsObj;
 18     
 19     	int ProductDetailConfigurationPageID = ProductAndVariantsObj.Template.ProductDetailConfigurationPagePageId;
 20     	int FooProductDetailLayoutID = 0;
 21     
 22     	string minWidth = "";
 23     	string maxWidth = "";
 24     
 25     	string groupid = Model.PrimaryOrDefaultGroup.Id;
 26     
 27     	string canonical = $"Default.aspx?ID={Pageview.Page.ID}";
 28     	if (!string.IsNullOrWhiteSpace(groupid))
 29     	{
 30     		canonical = $"{canonical}&GroupID={groupid}";
 31     	}
 32     	if (!string.IsNullOrWhiteSpace(Model.Id))
 33     	{
 34     		canonical = $"{canonical}&ProductID={Model.Id}";
 35     	}
 36     	if (!string.IsNullOrWhiteSpace(Model.VariantId))
 37     	{
 38     		canonical = $"{canonical}&VariantID={Model.VariantId}";
 39     	}
 40     
 41     	string basedomain = Dynamicweb.Context.Current.Request.Url.DnsSafeHost;
 42     	if (!string.IsNullOrEmpty(Pageview.Area.DomainLock))
 43     	{
 44     		basedomain = Pageview.Area.DomainLock;
 45     	}
 46     
 47     	string friendlyUrl = Dynamicweb.Frontend.SearchEngineFriendlyURLs.GetFriendlyUrl(canonical);
 48     	string href = $"{Dynamicweb.Context.Current.Request.Url.Scheme}://{basedomain}{friendlyUrl}";
 49     
 50     	Pageview.Meta.AddTag("customCan", string.Format("<link rel=\"canonical\" href=\"{0}\">", href));
 51     
 52     	if (ProductAndVariantsObj != null)
 53     	{
 54     		foreach (GridRow g in Dynamicweb.Content.Services.Grids.GetGridRowsByPageId(ProductDetailConfigurationPageID))
 55     		{
 56     			ProductDetailPageBreakpointRow _data = ItemManager.Storage.GetById<ProductDetailPageBreakpointRow>(g.ItemId.ToString());
 57     
 58     			// minWidth = _data.Device.minWidth != 0 ? " and (min-width: " + _data.Device.minWidth + "px)" : "";
 59     			// maxWidth = _data.Device.maxWidth != 0 ? " and (max-width: " + _data.Device.maxWidth + "px)" : "";
 60     
 61     			FooProductDetailLayoutID = Dynamicweb.Content.Services.Pages.GetPageForItem("ProductDetailPage", _data.ProductDetailConfiguration.Id).ID;
 62     
 63     			<section class="productDetail productDetail--@Model.Id.ToString()">
 64     				@RenderGrid(FooProductDetailLayoutID)
 65     			</section>
 66     
 67     			List<AdvancedGrid> AdvancedGrids = FrontendServices.RenderAdvancedGrid(Pageview, FooProductDetailLayoutID.ToString());
 68     
 69     			<style>
 70     				@if (AdvancedGrids != null && AdvancedGrids.Count > 0)
 71     				{
 72     					foreach (AdvancedGrid AdvancedGrid in AdvancedGrids)
 73     					{
 74     						@AdvancedGrid.InlineStyles
 75     					}
 76     				}
 77     			</style>
 78     		}
 79     	}
 80     	
 81     	if(Dynamicweb.Context.Current.Session["YouHaveSeenTheseProductsList"] == null) {
 82     		var emptyArray = new List<string>();
 83     		Dynamicweb.Context.Current.Session["YouHaveSeenTheseProductsList"] = emptyArray.ToArray();
 84     	}
 85     	
 86     	var productIds = ((string[])Dynamicweb.Context.Current.Session["YouHaveSeenTheseProductsList"]).ToList();
 87     	string prodId = Model.Id;
 88     	if(!string.IsNullOrWhiteSpace(Model.VariantId))
 89     	{
 90     		prodId = $"{prodId};{Model.VariantId}";
 91     	}
 92     	if (productIds.Contains(prodId))
 93     	{
 94     		productIds.Remove(prodId);
 95     	}
 96     	productIds.Insert(0, prodId);
 97     	Dynamicweb.Context.Current.Session["YouHaveSeenTheseProductsList"] = productIds.ToArray();
 98     }
 99