Xmlvalidatingreader dtd

It is a known shortcoming of the whole DTD approach that parsers do look for a DOCTYPE declaration to validate the XML against. NET classes to perform DTD validation but it might well be that you need to run your incoming XML stream through a filter mirroring all nodes but inserting the DOCTYPE declaration at the beginning to be able to perform the validation gainst the DTD. The problem occurs when the incoming XML contains no DOCTYPE attribute.

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Xml Document doc = new Xml Document(); Xml Validating Reader reader = new Xml Validating Reader(new Xml Text Reader(stream)); reader. The problem occurs when the incoming XML contains no DOCTYPE attribute. Load(reader); The XML document's stream is contained in the stream variable Here is My DTDResolver declaration: private class My DTDResolver: Xml Url Resolver The problem occurs when the incoming XML contains no DOCTYPE attribute.

The resolver code never gets called and the validation does not occur at all. Is that a bug and there is no way to enforce the DTD even if the icoming XML file does not specify the DTD file? The resolver code never gets called and the validation does not occur at all. Is that a bug and there is no way to enforce the DTD even if the icoming XML file does not specify the DTD file? You can add Doctype to a document using a variety of methods.

You can create a validating Xml Reader instance by using the Xml Reader Settings class and the erload: System.

I don't want to do anything fancy, I just want to make sure a document is valid, and print an error message if it is not.

If you do not, the reader will throw an exception when a validation error occurs.

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