How to show snippets of code in razor page

Question

I'm building the documentation page of Xamarin app in Blazor and I've encountered a problem. I'd like to show code snippets on the page using razor page. So far, I don't have that big problem with C# code, for example of App.xaml.cs:

public App()
   {
     InitializeComponent();
   }

For something like that - I don't have any problems. I can correctly style it as <code> tag, with CSS or with MudBlazor (which I'm also using). Also, IDE is not recognizing it as inside-code. The problem however is when:

a) I'm trying to add XAML code / tags

b) I'm trying to add some C# methods from Xamarin and they include tags, for example:

_container.Resolve<WebService> ...

So the IDE is recognizing <WebService> as something inside Blazor app.

Of course, I was already trying with <code> blocks with no success. Is there any way to make it work? I really need to show those in documentation so I'm a the dead point right now.

Please show your failing example to blazorfiddle.com and I'll take a look. I just tried <code>@("_container.Resolve<WebService>")</code> and it's rendered properly. — Bane Bojanić
– Bane Bojanić, Commented Feb 11, 2022 at 14:16
@BaneBojanić Thanks, I tried it and worked for that specific example. However for XAML code snippet, it is not working. Here's fiddle: blazorfiddle.com/s/npcpt230 — hajpson
– hajpson, Commented Feb 11, 2022 at 14:26
@BaneBojanić Seems fine but is there any solution If I would like to include it as totally same as from application? So basically as You have the style for: white-space: pre to include line breaks? I've found solution with using < and > as replacements but I'm wondering if there is a better one. — hajpson
– hajpson, Commented Feb 11, 2022 at 14:45

Brian Parker · Accepted Answer · 2022-02-14 00:10:01Z

1

You have to escape the quotes. I also added some \r\n and a \t to demonstrate formatting with <pre>

@page "/"
<pre>
    <code>@someString</code>
</pre>
@code {
      string someString = "<Application.Resources>\r\n\t<Color x:Key=\"PrimaryText\">#777777</Color><Application.Resources>";
}

Fiddle

answered Feb 14, 2022 at 0:10

Brian Parker

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1 Comment

hajpson Over a year ago

That's just perfect. I've also found solution with replacing opening tags with < sign and I was also able to successfully show it on page. However - I will use Your solution probably. Thank You!

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