Error executing template "Designs/Publications/Paragraph/ProductTable/PartsTable.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_dc0c26542ddd451c9954650c9cbb3ca3.ExecuteAsync()
   at RazorEngine.Templating.TemplateBase.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineCore.RunTemplate(ICompiledTemplate template, TextWriter writer, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.DynamicWrapperService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass23_0.<Run>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, Type modelType, Object model, DynamicViewBag viewBag)
   at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)
   at Dynamicweb.Rendering.Template.RenderRazorTemplate()


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
  2     @using Dynamicweb.Ecommerce.ProductCatalog
  3     @using Industrilas.Data.Helpers
  4     
  5     @{
  6         ProductViewModel? product = null;
  7     
  8         if (Dynamicweb.Context.Current.Items.Contains("ProductDetails"))
  9         {
 10             product = (ProductViewModel?)Dynamicweb.Context.Current.Items["ProductDetails"];
 11         }
 12     
 13     	if (product is object && product.VariantGroups().Count == 0)
 14         {
 15     		Dynamicweb.Ecommerce.ProductCategoryFieldService productCategoryFieldService = new Dynamicweb.Ecommerce.ProductCategoryFieldService();
 16     
 17     		var loopMod = 1;
 18     		var parts = product.ProductCategories.Where(c => c.Key == "IndustrilasVariantfalt").FirstOrDefault();
 19     		var translation = new Industrilas.Data.Business.Translation();
 20     		var pattern = product.ProductFields["ProductNumberPattern"].Value;
 21     
 22     		<section>
 23     			<table class="sheet-product-propertytable">
 24     				<tr>
 25     					@foreach (var field in parts.Value.Fields)
 26     					{
 27     						var fieldValue = field.Value.Name;
 28     						fieldValue = (fieldValue as string) == "False" ? Translate("No") : fieldValue;
 29     						fieldValue = (fieldValue as string) == "True" ? Translate("Yes") : fieldValue;
 30     						var tdClass = $"sheet-product-propertytable-column-cell{loopMod % 2}";
 31     						var tableClass = $"sheet-product-fields-column{loopMod % 2}";
 32     						if (fieldValue != null && fieldValue.ToString() != "")
 33     						{
 34     							<td class="@tdClass">
 35     
 36     								@if (Convert.ToString(fieldValue).Contains("("))
 37     								{
 38     
 39     									var separator = new string[] { ")", "(" };
 40     									var valueSeparator = new string[] { "),(" };
 41     									var columnHeaders = field.Value.Name.Split(separator, StringSplitOptions.RemoveEmptyEntries);
 42     									//var optionLabels = optionLabel.Split(valueSeparator, StringSplitOptions.RemoveEmptyEntries);
 43     									//var tableClass = $"propertytable-column-column{tableClass}";
 44     
 45     									<table class="@tableClass">
 46     										<thead>
 47     											<tr>
 48     												@foreach (var header in columnHeaders)
 49     												{
 50     													<td class="ilas-table-header">
 51     														@translation.GetTranslation(header, false)
 52     													</td>
 53     												}
 54     											</tr>
 55     										</thead>
 56     
 57     										<tbody>
 58     
 59     											@{
 60     												/* GetList() returns nothing when the field holds a
 61     												   single selected option, which left single-option
 62     												   columns (AAAA, DD, FF, GG ...) empty in the PDF.
 63     												   Fall back to enumerating field.Value directly. */
 64     												var optionRows = new List<Dynamicweb.Ecommerce.ProductCatalog.FieldOptionValueViewModel>();
 65     												var listedOptions = field.Value.GetList();
 66     
 67     												if (listedOptions != null && listedOptions.Any())
 68     												{
 69     													optionRows.AddRange(listedOptions);
 70     												}
 71     												else if (field.Value.Value is System.Collections.IEnumerable rawOptions && !(field.Value.Value is string))
 72     												{
 73     													foreach (var rawOption in rawOptions)
 74     													{
 75     														if (rawOption is Dynamicweb.Ecommerce.ProductCatalog.FieldOptionValueViewModel optionViewModel)
 76     														{
 77     															optionRows.Add(optionViewModel);
 78     														}
 79     													}
 80     												}
 81     											}
 82     
 83     											@foreach (var optionLabelValue in optionRows)
 84     											{
 85     
 86     												var optionLabelColumns = optionLabelValue.Name.Split(separator, StringSplitOptions.RemoveEmptyEntries);
 87     												<tr>
 88     													@foreach (var optionLabelColumn in optionLabelColumns)
 89     													{
 90     														var optionValue = string.Empty;
 91     
 92     														if (TextFunctions.IsNumeric(optionLabelColumn))
 93     														{
 94     															optionValue = optionLabelColumn;
 95     														}
 96     														else
 97     														{
 98     															optionValue = translation.GetTranslation(optionLabelColumn, false);
 99     														}
100     														<td>@optionValue</td>
101     													}
102     												</tr>
103     											}
104     										</tbody>
105     									</table>
106     								}
107     								else
108     								{
109     									<div>@field.Value.Name</div>
110     									<div>@field.Key</div>
111     									<div>@field.Value.Value.ToString()</div>
112     								}
113     							</td>
114     						}
115     
116     						loopMod++;
117     					}
118     				</tr>
119     			</table>
120     		</section>
121         }
122     }