HtmlString vs. MvcHtmlString
What are the differences bettween those two, or when to prefer one over the other?
Edit:
One thing to prefer MvcHtmlString over HtmlString is the extension method IsNullOrEmpty of MvcHtmlString.
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Richard Ev
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stacker
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Yes, good spot - I didn't realise HtmlString didn't have that. – Rup Aug 01 '10 at 17:16
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1Next to IsNullOrEmpty, it also has some other static methods (and one property) (PS: IsNullOrEmpty is not an extension method). – Matthijs Wessels Jul 01 '11 at 15:16
3 Answers
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HtmlString only exists in ASP.NET 4.
MvcHtmlString was a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility.
If you're ever going to drop back to MVC 2 it might make sense to use IHtmlString or var for values returned from MVC functions. Alternatively I think you can now just switch to HtmlString throughout.
Rup
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HtmlString was only introduced in .Net 4.0.
In ASP.Net 3.5 MVC 2.0, you should use MvcHtmlString.
In .Net 4.0, you should use HtmlString. (which is simpler)
SLaks
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MvcHtmlString is used to indicate when a string should not be re-encoded.
See What is an MvcHtmlString and when should I use it?
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Does not answer the OP question which is to know the difference between MvcHtmlString and HtmlString. – bkqc Nov 17 '20 at 22:46