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I have a utility class for sending emails. The emails are generated as html.

I'm having problems with encoding special characters which aren't getting displayed correctly.

However, I can't work out how to use HtmlEncode as I don't have a current HttpContext. Is there a .Net class which will translate special characters to html codes without running under Asp.Net?

I hope that makes sense, I'm a bit flaky about how all this stuff works. Thanks!

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21

I believe System.Net.WebUtility.HtmlEncode will provide this functionality. MSDN reference for WebUtility.HTMLEncode

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+1 for being first but that's .NET 4 only so I can't use unfortunately.
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You can import the System.Web namespace and use the HttpUtility class. Altohugh it's a Web assembly I don't think it's neccesary to be running under a Web environment for it to work.

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Thanks, not sure why I didn't find that!
Adding a dependency on System.Web is not a great idea for a class library. Use System.Net.WebUtility.HtmlEncode() instead.
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You can use the HttpUtility class from System.Web.

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You should really look into using the AntiXSS library of the WPL.

  1. You don't need System.Web!

  2. It uses a white-list inclusion principle (System.Web encoding uses black-listing). Only characters that are known to be safe will be trusted and all others will be properly encoded

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0

How about HttpUtility.HtmlEncode?

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