Error executing template "Designs/Kulturpakken/ItemPublisher/List/list.cshtml"
System.ArgumentNullException: Value cannot be null.
Parameter name: value
   at System.String.IndexOf(String value, Int32 startIndex, Int32 count, StringComparison comparisonType)
   at System.String.Contains(String value)
   at CompiledRazorTemplates.Dynamic.RazorEngine_dde994cc1f9f42a1bdaffd608872f08e.Execute() in D:\dynamicweb.net\Solutions\DegnGrafisk\kulturhusene2020.dw9.dynamicweb-cms.com\Files\Templates\Designs\Kulturpakken\ItemPublisher\List\list.cshtml:line 17
   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     
  2     @using System.Web
  3     
  4     @{
  5     var request = HttpContext.Current.Request;
  6     var response = HttpContext.Current.Response;
  7     string s2 = @request["cat"];
  8     string eventid = @request["eventid"];
  9     int z = 0;
 10     }
 11     @if (@s2 != "") {					
 12     <div class="eventlistwrapper">
 13     	<ul>
 14     @foreach (LoopItem itemlist in GetLoop("ItemPublisher:Items.List")){
 15     		
 16     		
 17     		if(@itemlist.GetString("ItemPublisher:Item.KulturCategory").Contains(s2)) {
 18     		
 19     		if(@itemlist.GetString("ItemPublisher:Item.Field.Id") != @eventid) {
 20     		if(z < 3){
 21     			<a href="/Default.aspx?ID=60&itemId=EventItem:@itemlist.GetString("ItemPublisher:Item.Field.Id")">	
 22     		<li>
 23     		<div class="eventitem">	
 24     		<div class="eventitemform" style="background:url('@itemlist.GetValue("ItemPublisher:Item.EventItemImage")') top center no-repeat;background-size:cover;">
 25     			<div class="backgroundhue">
 26     				
 27     					@if (itemlist.GetString("ItemPublisher:Item.EventItemNew") != "False") {<div class="eventitemtype news">Nyhed</div>}
 28     					@if (itemlist.GetString("ItemPublisher:Item.EventItemNewDate") != "False"){<div class="eventitemtype newdate">Ny dato</div>}
 29     					@if (itemlist.GetString("ItemPublisher:Item.EventItemFewTicketsLeft") != "False") {<div class="eventitemtype fewleft">Få billetter</div>}
 30     					@if (itemlist.GetString("ItemPublisher:Item.EventItemExtraShow") != "False") {<div class="eventitemtype extra">Ekstra show</div>}
 31     					@if (itemlist.GetString("ItemPublisher:Item.EventItemCancelled") != "False") {<div class="eventitemtype cancelled">Aflyst</div>}
 32     					@if (itemlist.GetString("ItemPublisher:Item.EventItemSoldOut") != "False") {<div class="eventitemtype soldout">Udsolgt</div>}
 33     				
 34     				
 35     				
 36     				<div class="eventitemdatewrap">	
 37     					@if (!string.IsNullOrWhiteSpace(itemlist.GetString("ItemPublisher:Item.EventDateTimeAltText")))
 38     						{
 39     							<div class="eventitemdateday" style="white-space: pre-wrap;text-transform: uppercase; font-size:30px;width:100px;text-align: center;justify-content: center;line-height: 110%;">@itemlist.GetString("ItemPublisher:Item.EventDateTimeAltText")</div>
 40     						}
 41     				@if (!string.IsNullOrWhiteSpace(itemlist.GetString("KulturEventMoreDates"))) {
 42     					<div class="eventitemmoredates">Flere<br>datoer</div>
 43     				} 
 44     					
 45     				@if (string.IsNullOrWhiteSpace(itemlist.GetString("ItemPublisher:Item.EventDateTimeAltText"))){
 46     				<div class="eventitemdateday">@itemlist.GetDate("ItemPublisher:Item.EventItemDate").ToString("dd")</div>
 47     				<div class="eventitemdatemonth">@itemlist.GetDate("ItemPublisher:Item.EventItemDate").ToString("MMMM")<br>'@itemlist.GetDate("ItemPublisher:Item.EventItemDate").ToString("yy")</div>
 48     				}
 49     			</div>				
 50     		<br>
 51     				<div class="eventitemtitle">
 52     						<span style="font-size:20px;">@itemlist.GetString("ItemPublisher:Item.EventItemTitle")</span></div>
 53     				
 54     			</div>
 55     			</div>
 56     		</div>
 57     		</li>
 58     </a>
 59     	z += 1;
 60     	}
 61     	}
 62     }
 63     }
 64     			</ul>
 65     </div>
 66     }