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Editorial Team
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Asked: 2026-05-27T23:33:29+00:00

I want to validate large xml files by using xsd schemas in C#. For

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I want to validate large xml files by using xsd schemas in C#.
For a file of 1000 lines of xml code validation takes a long time.

Are there any tips and tricks to validate faster?

Can you post some code examples that work faster with large xml validation?

Edit 1 : I validate like this
Validating XML with XSD

Edit 2: For large files takes more than 10 seconds. And I need the validation to be very fast under a second.

Edit 3: File size is greater than 10 Mb

Edit 4: I am considering this approach too, I want to store xml file in database and xsd too.

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1 Answer

  1. Editorial Team

    You are currently loading the entire document into memory, which is expensive regardless of validation. A better option is to just parse via a reader, i.e. as shown here on MSDN. The key points from the example on that page:

    • it never loads the entire document
    • the while(reader.Reader()) just enumerates the entire file at the node level
    • validation is enabled via the XmlReaderSettings
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