处理无效的 XML 十六进制字符 [英] Dealing with invalid XML hexadecimal characters

问题描述

我正在尝试通过网络发送 XML 文档，但收到以下异常:

I'm trying to send an XML document over the wire but receiving the following exception:

"MY LONG EMAIL STRING" was specified for the 'Body' element. ---> System.ArgumentException: '', hexadecimal value 0x02, is an invalid character.
   at System.Xml.XmlUtf8RawTextWriter.InvalidXmlChar(Int32 ch, Byte* pDst, Boolean entitize)
   at System.Xml.XmlUtf8RawTextWriter.WriteElementTextBlock(Char* pSrc, Char* pSrcEnd)
   at System.Xml.XmlUtf8RawTextWriter.WriteString(String text)
   at System.Xml.XmlUtf8RawTextWriterIndent.WriteString(String text)
   at System.Xml.XmlRawWriter.WriteValue(String value)
   at System.Xml.XmlWellFormedWriter.WriteValue(String value)
   at Microsoft.Exchange.WebServices.Data.EwsServiceXmlWriter.WriteValue(String value, String name)
   --- End of inner exception stack trace ---

我无法控制我尝试发送的内容，因为该字符串是从电子邮件中收集的.如何在保留非法字符的同时对我的字符串进行编码，使其成为有效的 XML?

I don't have any control over what I attempt to send because the string is gathered from an email. How can I encode my string so it's valid XML while keeping the illegal characters?

我想以某种方式保留原始字符.

I'd like to keep the original characters one way or another.

推荐答案

byte[] toEncodeAsBytes
            = System.Text.ASCIIEncoding.ASCII.GetBytes(toEncode);
      string returnValue
            = System.Convert.ToBase64String(toEncodeAsBytes);

是这样做的一种方式

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