Embed executable Blazor code into a JSON input string

Question

I have the following Blazor code where data values are input from a JSON file.

<p>@product.Name</p>
<p>@((MarkupString)product.Description)</p>

What I would like to do is embed @product.Name into the Description text in the JSON file so it is rendered as part of the description. I am looking for something simple like this:

"Description": "This a detailed description of the <dummytag>@product.Name</dummytag> product or service".

I've tried various combinations but have not been able to render gen3Product.Name. Can anyone tell me how to do this, please. I know this can lead to bad security outcomes.

Henk Holterman · Accepted Answer · 2020-07-11 08:08:40Z

2

In Blazor, @product.Name has to be compile prior to deployment. So embedding this in your data won't work.

You can however use old style string formatting:

 "Description": "This a detailed description of the <dummytag>{0}</dummytag> product or service"

and then

 <p>@((MarkupString) string.Format(product.Description, product.Name)</p>

but this is obviously less flexible.

answered Jul 11, 2020 at 8:08

Henk Holterman

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