Branding Stylesheet

Error executing template "Designs/4tecx_generated/Paragraph/FooterWidgetMenu.cshtml"
System.ArgumentNullException: Value cannot be null.
Parameter name: String
   at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
   at CompiledRazorTemplates.Dynamic.RazorEngine_b95c291d2cff4949b7749b48302cf2df.Execute() in E:\Dynamicweb.NET\4Tecx\Production\host\files\Templates\Designs\4tecx_generated\Paragraph\FooterWidgetMenu.cshtml:line 26
   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     
  3     @using Dynamicweb;
  4     @using Dynamicweb.Content.Items;
  5     
  6     @using Bluedesk.DynamicWeb.ItemTypes;
  7     @using Dynamicweb.Frontend.Navigation
  8     @using Bluedesk.DynamicWeb.ItemTypes.BaseSolution;
  9     
 10     @using Dynamicweb.Frontend;
 11     
 12     
 13     @{
 14     
 15     	string paragraphID = Model.ItemId;
 16     	FooterWidgetMenu _data = Dynamicweb.Services.Items.GetItem("FooterWidgetMenu", paragraphID).ToCodeFirstItem<FooterWidgetMenu>();
 17     
 18     }
 19     
 20     <div class="footer__link footer__link--@paragraphID @_data.CssClass">
 21     	@{
 22     		var FooterMenuNavigationSettings = new NavigationSettings();
 23     		FooterMenuNavigationSettings.ExpandMode = ExpandMode.All;
 24     		FooterMenuNavigationSettings.StartLevel = _data.StartLevel;
 25     		FooterMenuNavigationSettings.StopLevel = _data.StopLevel;
 26     		FooterMenuNavigationSettings.RootPageId = int.Parse(_data.MenuRootPageId);
 27     		var FooterMenuNavigation = Navigation.RenderNavigation("Navigation/BottomNavigation.cshtml", FooterMenuNavigationSettings);
 28     
 29     		if (!string.IsNullOrWhiteSpace(_data.Header().HeaderFormatted("footer__link-header")))
 30     		{
 31     			@_data.Header().HeaderFormatted("footer__link-header")
 32     		}
 33     
 34     		if (!string.IsNullOrEmpty(FooterMenuNavigation))
 35     		{
 36     			@FooterMenuNavigation
 37     		}
 38     
 39     	}
 40     </div>
 41     
 42     <style>
 43     
 44     	.footer__link {
 45     		--ColumnCount: 1;
 46     		column-count: var(--ColumnCount);
 47     	}
 48     
 49     	.footer__link--@paragraphID {
 50     		--ColumnCount: @_data.Columns;
 51     	}
 52     
 53     	.footer__link-list {
 54     		--FlexDirection: column;
 55     
 56     		display: flex;
 57     
 58     		padding: 0;
 59     		margin: 0;
 60     
 61     		flex-direction: var(--FlexDirection);
 62     
 63     	}
 64     
 65     	.footer__link--@paragraphID .footer__link-list {
 66     		--FlexDirection: @_data.MenuDirection;
 67     	}
 68     
 69     </style>
 70