How do I output raw html when using RazorEngine (NOT from MVC)

Question

I am trying to generate emails with HTML content. this content has already gone through sanitation so I am not worried in that regard, however when I call:

Razor.Parse(template, model);

on the following Razor template:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
    <body>
        @(new System.Web.HtmlString(Model.EmailContent))
    </body>
</html>

the email that is outputted is HTMl encoded, but I need it decoded. How can I accomplish this?

I answered this, but it was deleted as a duplicate answer because I answered it here: stackoverflow.com/questions/23603593/… ... this answer works for both MVC and RazorEngine. — Brian Rice
– Brian Rice, Commented Oct 23, 2015 at 2:49

Matthew Abbott · Accepted Answer · 2012-03-12 16:39:17Z

201

RazorEngine, like MVC's Razor View Engine, will automatically encode values written to the template. To get around this, we've introduce an interface called IEncodedString, with the default implementations being HtmlEncodedString and RawString.

To use the latter, simply make a call to the inbuilt Raw method of TemplateBase:

@Raw(Model.EmailContent)

answered Mar 12, 2012 at 16:39

Matthew Abbott

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5 Comments

Jeff Over a year ago

@Matthew Sorry for reviving, but even though this compiles, it does not look pretty in the VS HTML Editor, it wont recognize Model or Raw anymore. Any workarounds?

Tod Thomson Over a year ago

@Jeff I'm thinking the right approach is for RazorEngine to expose a static class Html.cs that has a static method .Raw so that it will process standard calls to Html.Raw that can be used to get correct syntax highlighting in VS Razor editor.

Jeff Over a year ago

@Manfred @Raw() works fine in RazorEngine (not ASP.NET MVC's Razor ;) )

guidupuy Over a year ago

Would like to see this solved too. This causes the whole project not to build with MvcBuildViews enabled...

Charles Over a year ago

The "HtmlEncodedString" doesnt work! Instead use: RawString. See an example that works! public RazorEngine.Text.IEncodedString GetMarcaFinalDocumento() { return new RazorEngine.Text.RawString("<div>Hi there!</div>");}

Tod Thomson · Accepted Answer · 2013-05-14 01:47:53Z

18

FYI I have a fork that includes the @Html.Raw(...) syntax here:

https://github.com/Antaris/RazorEngine/pull/105

answered May 14, 2013 at 1:47

Tod Thomson

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2 Comments

MartinJH Over a year ago

@Html.Raw() required no upfront configuration. Good solution.

JustJohn Over a year ago

Me too. I was able to generated HTML tags and values in Razor Code and pass it to View with ViewData and display using @Html.Ras(ViewData["NextEvent"]

curious.netter · Accepted Answer · 2018-01-19 08:42:21Z

6

I am using RazorEngine 3.8.2 and @Raw(Model.Content) is working perfectly fine for me.

answered Jan 19, 2018 at 8:42

curious.netter

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Comments

Iravanchi · Accepted Answer · 2013-11-12 10:58:52Z

3

If you have a custom base class for your templates, you can code Write method to behave similar to normal MVC template: if the output value is IHtmlString it should not encode it.

Here's the code I'm using in my TemplateBase class:

// Writes the results of expressions like: "@foo.Bar"
public virtual void Write(object value)
{
    if (value is IHtmlString)
        WriteLiteral(value);
    else
        WriteLiteral(AntiXssEncoder.HtmlEncode(value.ToString(), false));
}

// Writes literals like markup: "<p>Foo</p>"
public virtual void WriteLiteral(object value)
{
    Buffer.Append(value);
}

answered Nov 12, 2013 at 10:58

Iravanchi

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Comments

Chris Moschini · Accepted Answer · 2018-04-05 17:23:54Z

1

Built a wrapper for RazorEngine that adds in support for @Html.Raw() and @Html.Partial()

https://github.com/b9chris/RazorEngineComplete

answered Apr 5, 2018 at 17:23

Chris Moschini

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