XML Encoding & ASP
Because various computers use different numerical values to represent character sets, XML provides a means for defining which character set is being used. Set this value programatically from Active Server Pages (ASP) to ensure each computer is using the same character set.
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Define the Character Set
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Common character sets include UTF-8, UTF-16 and ISO-8859-1. Define the XML character set by setting the "charset" attribute in the header of the document using:
<META HTTP-EQUIV="Content-Type" CONTENT="text/xml; charset=UTF-8">
Character Sets and ASP
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Programmers must use either the Load() or LoadXML() methods to read an XML string in and set the encoding to one of these two. According to Microsoft, ASP only supports the loading of XML strings or documents encoded in UCS-2 or UTF-8. All other encodings will generate an error message.
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Changing the Encoding
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Once the XML string has been loaded, you can manipulate the document without concerns for which character set is being used. When the document is saved with the save() method, ASP by default outputs the XML document as UTF-8. You can change this encoding by inserting creating a new processing instruction. For example: createProcessingInstruction("xml", " version='1.0' encoding='ISO-8859-1'");
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