HtmlEncode from Class Library

Question

I have a class library  in C    I need to encode my data using the HtmlEncode method  This is easy to do from a web application  My question is  how do I use this method from a class library that is being called from a console application

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In case you re using SharePoint 2010  using the following line of code will avoid having to reference the whole System Web library   Microsoft SharePoint Utilities SPHttpUtility HtmlEncode stringToEncode

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Import System Web Or call the System Web HttpUtility which contains it  You will need to add the reference to the DLL if it isn t there already  string TestString    This is a  lt Test String gt     string EncodedString   System Web HttpUtility HtmlEncode TestString

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Add a reference to System Web dll and then you can use the System Web HtmlUtility class

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In case you are working with silverlight  use this   System Windows Browser HttpUtility HtmlEncode

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Try this  System Net WebUtility HtmlDecode string   System Net WebUtility HtmlEncode string

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If you are using C 3 a good tip is to create an extension method to make this even simpler  Just create a static method  preferably in a static class  like so   public static class Extensions       public static string HtmlEncode this string s                return HttpUtility HtmlEncode s             You can then do neat stuff like this   string encoded     lt div gt I need encoding lt  div gt   HtmlEncode

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System Net WebUtility class is available starting from  NET 4 0  You don t need System Web dll dependency

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Just reference the System Web assembly and then call  HttpServerUtility HtmlEncode  http   msdn microsoft com en-us library system web httpserverutility htmlencode aspx

[c#] HtmlEncode from Class Library

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