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Asked: 2026-06-10T19:21:07+00:00

I have a .NET application written in C# that saves information in XML format.

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I have a .NET application written in C# that saves information in XML format. The application serializes the application data into xml. The application contains a textbox where the user is free to enter any text. I have cases where users have managed to enter characters, mostly when they copy and paste text from other applications into the textbox, where the xml document becomes corrupted. Is there a general approach to manage illegal characters in xml documents without having to filter them out in every textbox on entry.

Sample from document thats corrupted

<Propery>
  <Name>&#x8;Alimentação Controlador</Name>
  <Value>24</Value>
  <Unit>Vca</Unit>
</Propery>

Document is serialized with ASCIIEncoding.UTF8

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1 Answer

  1. Editorial Team

    I think your best bet is to “SafeEncode” the string entered by the user. this link http://msdn.microsoft.com/en-us/library/system.security.securityelement.escape(VS.80).aspx shows you how to do it easily with one call to the SecurityElement.Escape(string s) method.

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