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Error executing template "Designs/Swift/Paragraph/COMM_AccordionTabs.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_cdef535fac93440ebba95592f806505f.Execute() in C:\inetpub\wwwroot\directions2023_dev\Files\Templates\Designs\Swift\Paragraph\COMM_AccordionTabs.cshtml:line 5
   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 Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>
  2     @using Dynamicweb.Frontend
  3     
  4     @{
  5     	string title = Model.Item.GetString("Title");
  6     	var accordionItems = Model.Item?.GetItems("Accordion_Items") ?? Enumerable.Empty<Dynamicweb.Frontend.ItemViewModel>().ToList();
  7     	string theme = !string.IsNullOrWhiteSpace(Model.Item.GetRawValueString("Theme")) ? " theme " + Model.Item.GetRawValueString("Theme").Replace(" ", "").Trim().ToLower() : "";
  8     	string contentPadding = Model.Item.GetRawValueString("ContentPadding", "");
  9     	contentPadding = contentPadding == "none" ? "p-0" : contentPadding;
 10     	contentPadding = contentPadding == "small" ? "p-3 p-md-3" : contentPadding;
 11     	contentPadding = contentPadding == "large" ? "p-5 p-md-5" : contentPadding;
 12     	string displayType  = Model.Item.GetRawValueString("Type", "accordion");
 13     	
 14     	@* START CUSTOM CODE *@
 15     	string shadowCssClass = Model.Item.GetBoolean("AccordionItemShadow") ? "shadow" : string.Empty;
 16     	string roundedBorderClass = Model.Item.GetBoolean("AccordionItemRoundedBorders") ? "borders-rounded" : string.Empty;
 17     	string accordionItemSpacing = Model.Item.GetRawValueString("AccordionItemSpacing", "");
 18     	accordionItemSpacing = accordionItemSpacing == "none" ? "p-0" : accordionItemSpacing;
 19     	accordionItemSpacing = accordionItemSpacing == "small" ? "m-3" : accordionItemSpacing;
 20     	accordionItemSpacing = accordionItemSpacing == "large" ? "m-5" : accordionItemSpacing;
 21     	@* END CUSTOM CODE *@
 22     }
 23     
 24     <div class="@displayType@(theme) @(contentPadding) shadow rounded-7 h-100 item_@Model.Item.SystemName.ToLower() schedule-container" id="@(displayType + "-" + Pageview.CurrentParagraph.ID)">
 25     	<a name="@Model.ID" class="user-select-none" style="scroll-margin-top:var(--header-height,150px)"></a>
 26     	@{ @RenderTitle() }
 27     	@if(displayType == "accordion")
 28     	{
 29     		foreach (var item in accordionItems)
 30     		{	
 31     			<div class="accordion-item @shadowCssClass @accordionItemSpacing @roundedBorderClass">
 32     				<h2 class="accordion-header" id="heading-@Pageview.CurrentParagraph.ID-@item.Id">
 33     					<button class="accordion-button collapsed @roundedBorderClass" type="button" data-bs-toggle="collapse" data-bs-target="#collapse-@Pageview.CurrentParagraph.ID-@item.Id" aria-expanded="false" aria-controls="collapse-@Pageview.CurrentParagraph.ID-@item.Id">
 34     						@item.GetString("Title")
 35     					</button>
 36     				</h2>
 37     				<div id="collapse-@Pageview.CurrentParagraph.ID-@item.Id" class="accordion-collapse collapse" aria-labelledby="heading-@Pageview.CurrentParagraph.ID-@item.Id" data-bs-parent="#accordion-@Pageview.CurrentParagraph.ID">
 38     					<div class="accordion-body mb-0-last-child opacity-75">
 39     						@item.GetRawValueString("Content")
 40     					</div>
 41     				</div>
 42     			</div>
 43     		}
 44     	} else {
 45     		<nav class="tabsrounded-7">
 46                 <ul class="nav nav-tabs days-tabs bg-light-grey rounded-7-top" role="tablist">
 47                     @RenderContainer(accordionItems.ToList() , true)
 48     				
 49                 </ul>
 50             </nav>
 51             <div class="tab-content days-tabs-container p-lg-4 p-2 overflow-auto">
 52                 @RenderContainer(accordionItems.ToList() , false)
 53             </div>
 54     	}
 55     </div>
 56     
 57     
 58     @helper RenderTitle()
 59     {
 60     	if (!string.IsNullOrEmpty(Model.Item.GetString("Title")) && !Model.Item.GetBoolean("HideTitle"))
 61     	{
 62     		string titleFontSize = Model.Item.GetRawValueString("TitleFontSize", "h2");
 63     		string headingLevel = Model.Item.GetString("HeadingLevel", "h2");
 64     		string headingLevelStart = $"<{headingLevel} class=\"{titleFontSize} mb-4\">";
 65     		string headingLevelStop = $"</{headingLevel}>";
 66     
 67     		@headingLevelStart
 68     			@Model.Item.GetString("Title")
 69     		@headingLevelStop
 70     	}
 71     }
 72     
 73     @helper RenderContainer(List<ItemViewModel> collection, bool isTab)
 74     {
 75     	int count = 1;
 76     	foreach (var tab in collection)
 77     	{
 78     		
 79     		string tabTitle = tab.GetString("Title");
 80     		var description = tab.GetString("Content");
 81     		var hrefAttr = "#tab" + tab.Id;
 82     		var ariaControlsAttr = "tab" + tab.Id;
 83     		var activeTabClass = count == 1 ? "active" : "";
 84     		if (isTab)
 85     		{
 86     			var roundedClass = count == 1 ? "rounded-7-top-left" : "";
 87     			var lastItemRoundedClass = count == collection.Count() ? "rounded-7-top-right" : "";
 88     			<li class="flex-1" role="presentation">
 89     				
 90     				<a class="session-tab border-0 nav-link px-lg-4 py-lg-3 px-3 py-3 @roundedClass @lastItemRoundedClass @activeTabClass" href="@hrefAttr" role="tab" data-toggle="tab" aria-controls="@ariaControlsAttr" data-date="@ariaControlsAttr">
 91     					<span>@tabTitle</span>
 92     				</a>
 93     			</li>    
 94     		}
 95     		else
 96     		{
 97     			<div id="@ariaControlsAttr" data-controlled="@ariaControlsAttr" role="tabpanel" class="tab-pane @activeTabClass">
 98     				<div class="tab-pane show fade in grid">
 99     					<div class="g-col-12  theme light-violet">
100     							@if (!string.IsNullOrEmpty(description))
101     							{
102     								<p class="m-0">@description</p>
103     							}
104     						</div>
105     					@*<div class="schedule-item grid g-col-lg-12 g-col-12 gap-lg-4 border-bottom p-3 border rounded-7">
106     						
107     					</div>*@
108     				</div>
109     			</div>
110     		}
111     		count ++;
112     	}
113     }