xml-declaration | 易学教程

How can I make the xmlserializer only serialize plain xml?

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问题 I need to get plain xml, without the <?xml version="1.0" encoding="utf-16"?> at the beginning and xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" in first element from XmlSerializer . How can I do it? 回答1: To put this all together - this works perfectly for me: // To Clean XML public string SerializeToString<T>(T value) { var emptyNamespaces = new XmlSerializerNamespaces(new[] { XmlQualifiedName.Empty }); var serializer = new XmlSerializer

Does a valid XML file require an XML declaration?

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I am parsing an XML file using Sax Parser of Xerces. Is the XML declaration <?xml version="1.0" encoding="UTF-8"?> required? Hoylen In XML 1.0, the XML Declaration is optional . See section 2.8 of the XML 1.0 Recommendation , where it says it "should" be used -- which means it is recommended, but not mandatory. In XML 1.1, however, the declaration is mandatory . See section 2.8 of the XML 1.1 Recommendation , where it says "MUST" be used. It even goes on to state that if the declaration is absent, that automatically implies the document is an XML 1.0 document. Note that in an XML Declaration

Meaning of - <?xml version=“1.0” encoding=“utf-8”?>

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问题 I am new to XML and I am trying to understand the basics. I read the line below in \"Learning XML\", but it is still not clear, for me. Can someone point me to a book or website which explains these basics clearly? From Learning XML : The XML declaration describes some of the most general properties of the document, telling the XML processor that it needs an XML parser to interpret this document. What does this mean? I understand the xml version part - both doc and user of doc should \"talk\"

Are multiple XML declarations in a document well-formed XML?

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问题 Is having two XML declarations in the same document well-formed XML? <?xml version=\"1.0\" encoding=\"UTF-8\"?> <a> <?xml version=\"1.0\" encoding=\"UTF-8\"?> <b> hello </b> </a> I believe it is not, however I can\'t find a source to back me up on this. From Extensible Markup Language (XML) 1.0 Definition: XML documents SHOULD begin with an XML declaration which specifies the version of XML being used. The pesky word \"should\" is there. It says ideally the document starts with an XML

Does a valid XML file require an XML declaration?

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问题 I am parsing an XML file using Sax Parser of Xerces. Is the XML declaration <?xml version=\"1.0\" encoding=\"UTF-8\"?> required? 回答1: In XML 1.0, the XML Declaration is optional . See section 2.8 of the XML 1.0 Recommendation, where it says it "should" be used -- which means it is recommended, but not mandatory. In XML 1.1, however, the declaration is mandatory . See section 2.8 of the XML 1.1 Recommendation, where it says "MUST" be used. It even goes on to state that if the declaration is