How to validate an XML file in VB net?
In this article
- Summary.
- Requirements.
- Create an XML document.
- Create a DTD and link to the XML document.
- Perform validation using a DTD.
- Create an XDR schema and link to the XML document.
- Perform validation using an XDR scheme.
- Create an XSD schema and link to the XML document.
Table of Contents
How would you validate XML using net?
So let’s validate our XML using the above XSD file.
- main static void (string [] arguments) {
- var path = new Uri(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().CodeBase)).LocalPath;
- schema XmlSchemaSet = new XmlSchemaSet();
- schema.Add(“”, path + “//input.xsd”);
How to check string is XML or not?
You could try parsing the string into an XDocument. If it can’t be parsed, then you know it’s invalid. string xml = “”; Document XDocument = XDocument. Parse(xml);
How to validate an XML file in VB.NET?
The XmlReader calls it through an event on the XmlReaderSettings object, while the XmlDocument calls it through a delegate passed as a parameter to its Validate method. Here is a simple class that can be used to collect the errors:
What does the validation method do in xmldocument?
The Validate method validates the XML data in the XmlDocument against the schemas contained in the Schemas property. The Validate method performs the augmentation of the information set.
How is an XML schema file validated?
To validate an XML document, construct an XmlReaderSettings object that contains an XML Schema definition language (XSD) schema with which to validate the XML document. The System.Xml.Schema namespace contains extension methods that make it easy to validate an XML tree against an XSD file when using LINQ to XML (C#) and LINQ to XML (Visual Basic).
How to validate XML with LINQ to XML?
For more information about validating XML documents with LINQ to XML, see How to Validate Using XSD (LINQ to XML) (C#) and How to: Validate Using XSD (LINQ to XML) (Visual Basic). An individual schema or a set of schemas (such as an XmlSchemaSet) can be added to an XmlSchemaSet by passing either of them as a parameter to the XmlSchemaSet’s Add method.