Tool to check xml against schema

NET, open Module1. At the start of the Main subroutine, create an XmlSchemaCollection object, as follows:. The XmlSchemaCollection object allows you to cache schemas in memory for improved performance. Each schema is associated with a different namespace. Add the following code to cache Product. After the code that creates the XmlValidatingReader object, add the following statement.

This adds the schema cache to the XmlValidatingReader , so that the reader can use the in-memory schemas. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? In this article. Red wavy underlines highlight any XML 1.

Blue wavy underlines show semantic errors based on DTD or schema validation. Each error has an associated entry in the error list. You can also view the error message by pausing the mouse over the wavy underline. Schemas used in validation are found by matching the targetNamespace of a compiled schema with the element's xmlns declaration.

Compiled schemas are loaded from one of the following locations, listed in order of priority:. From the file name specified in the Schemas field of the document Properties window.

Schemas can also be found in the following additional locations when the schema has a non-empty target namespace:. When editing an XSLT file, the xslt.

Validation errors are shown as blue wavy underlines. Get certified by completing a course today! If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:. Report Error. Your message has been sent to W3Schools. W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning.