Error executing template "Designs/Swift/Swift_Email/Paragraph/Swift_EmailHeading.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_b9384c437e274ea4bfc96fafeb7cfca2.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     
  3     @functions {
  4     	private string GetFontStack()
  5     	{
  6     		return "font-family:initial,Arial,Helvetica Neue,Helvetica,sans-serif;";
  7     	}
  8     
  9     	private string GetTableReset()
 10     	{
 11     		return "border:0;margin:0;outline:0;padding:0;";
 12     	}
 13     }
 14     
 15     @{
 16     	string blockType = "heading_block";
 17     
 18     	var page = Dynamicweb.Content.Services.Pages.GetPage(Model.PageID);
 19     	var settings = Dynamicweb.Frontend.ContentViewModelFactory.CreatePageInfoViewModel(page?.Parent).Item;
 20     	var blockId = Model.ID;
 21     	var block = Model.Item;
 22     
 23     	var emailContentThemeId = settings.GetRawValueString("EmailContentTheme");
 24     	var emailContentThemeParagraph = emailContentThemeId != null && emailContentThemeId != string.Empty ? Dynamicweb.Content.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(emailContentThemeId)) : null;
 25     	var emailContentTheme = emailContentThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(emailContentThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(emailContentThemeParagraph)?.Item : null;
 26     
 27     	var rowId = Dynamicweb.Content.Services.Paragraphs.GetParagraph(blockId).GridRowId;
 28     	var row = Dynamicweb.Content.Services.Grids.GetGridRowById(rowId);
 29     	var rowItem = Dynamicweb.Content.Services.Items.GetItem(row.ItemType, row.ItemId);
 30     	var rowThemeId = Dynamicweb.Core.Converter.ToString(rowItem["ColumnBackground"]);
 31     	var rowThemeParagraph = rowThemeId != null && rowThemeId != string.Empty ? Dynamicweb.Content.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(rowThemeId)) : null;
 32     	var rowTheme = rowThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(rowThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(rowThemeParagraph)?.Item : null;
 33     
 34     	var blockThemeId = block.GetRawValueString("Theme");
 35     	var blockThemeParagraph = blockThemeId != null && blockThemeId != string.Empty ? Dynamicweb.Content.Services.Paragraphs.GetParagraph(Dynamicweb.Core.Converter.ToInt32(blockThemeId)) : null;
 36     	var blockTheme = blockThemeParagraph != null && Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(blockThemeParagraph).Item.GetString("CssClassName") != string.Empty ? Dynamicweb.Frontend.ContentViewModelFactory.CreateParagraphInfoViewModel(blockThemeParagraph)?.Item : rowTheme is object ? rowTheme : emailContentTheme;
 37     
 38     	string backgroundColor = blockTheme != null ? "background-color: " + blockTheme.GetString("BackgroundColor") + ";" : string.Empty;
 39     	string foregroundColor = blockTheme != null ? "color:" + blockTheme.GetString("ForegroundColor", "inherit") + ";" : string.Empty;
 40     	string borderColor = blockTheme != null ? blockTheme.GetString("BorderColor", "transparent") : string.Empty;
 41     	string borders = block.GetRawValueString("Borders", "none");
 42     	string borderThicknes = block.GetRawValueString("BorderThicknes", "0") + "px";
 43     	string borderClass = string.Empty;
 44     
 45     	switch (borders)
 46     	{
 47     		case "top":
 48     			borderClass = $"border-top:{borderThicknes} solid {borderColor};";
 49     			break;
 50     		case "bottom":
 51     			borderClass = $"border-bottom:{borderThicknes} solid {borderColor};";
 52     			break;
 53     		case "top-bottom":
 54     			borderClass = $"border-top:{borderThicknes} solid {borderColor}; border-bottom:{borderThicknes} solid {borderColor}; border-left:0;border-right:0;";
 55     			break;
 56     		case "all":
 57     			borderClass = $"border:{borderThicknes} solid {borderColor};";
 58     			break;
 59     	}
 60     
 61     	string padding = block.GetRawValueString("Padding", "0");
 62     	string align = block.GetRawValueString("Align", "left");
 63     
 64     	string title = block.GetString("Title", string.Empty);
 65     	string fontStyle = block.GetRawValueString("FontStyle", "header");
 66     	string fontSize = "font-size:" + block.GetRawValueString("FontSize", "28") + "px;";
 67     	string lineHeight = "line-height:" + (Dynamicweb.Core.Converter.ToInt32(block.GetRawValueString("FontSize", "28")) * Dynamicweb.Core.Converter.ToDouble(block.GetRawValueString("LineHeight", "1.5"))).ToString() + "px;";
 68     	var textRaise = ((Dynamicweb.Core.Converter.ToInt32(block.GetRawValueString("FontSize", "28")) * Dynamicweb.Core.Converter.ToDouble(block.GetRawValueString("LineHeight", "1.5"))) - Dynamicweb.Core.Converter.ToInt32(block.GetRawValueString("FontSize", "28"))) / 2;
 69     	textRaise = textRaise == 0 ? 11 : textRaise;
 70     	string startTag = $"<p class=\"{fontStyle}\" style=\"mso-line-height-rule:exactly;mso-text-raise:{textRaise}px;vertical-align:middle;margin:0;{GetFontStack()}{fontSize}{lineHeight}\">";
 71     	string endTag = $"</p>";
 72     }
 73     
 74     <table id="@blockId" class="@blockType" align="center" border="0" cellpadding="0" cellspacing="0" role="presentation" style="mso-table-lspace:0pt;mso-table-rspace:0pt;mso-line-height-rule:exactly;@GetTableReset()color:inherit;width: 100%;@(backgroundColor)">
 75     	<tbody>
 76     		<tr style="@GetTableReset()">
 77     			<td style="mso-table-lspace:0pt;mso-table-rspace:0pt;mso-line-height-rule:exactly;@GetFontStack()text-align:@align;@(backgroundColor)@(foregroundColor)@GetTableReset()padding:@(padding)px;@(borderClass)" width="100%">
 78     				@startTag
 79     				@title
 80     				@endTag
 81     				<!--[if mso]><br/><![endif]-->
 82     			</td>
 83     		</tr>
 84     	</tbody>
 85     </table>
 86     
 87