Data Bind() End If End Sub End Class Instead of catching errors, you can react to the Xml Reader Settings. If you react to this event, you’ll be provided with information about the error, but no exception will be thrown.
Get Attribute(“Title”) ‘ Get the rest of the subtags for this book While R.
To connect an event handler to this event, you can attach an event handler before you create the Xml Reader: Public Sub Validate Handler(sender As Object, args As Validation Event Args) If (args.
Is Post Back Then XMLValidator() End If End Sub Protected Sub XMLValidator() ‘ Configure the reader to use validation.
Physical Application Path, “App_Data\Books List.xsd”) ‘Indicate that elements in the namespace ‘ Report Validation Warnings ‘ Open a stream to the file. Dim Books As New List(Of Book)() ‘ Loop through the books. You can validate an XML document against a schema, by using built in Xml Reader’s validation features. You need to create the validation reader, by using the static Xml Reader. This method has several overloads, but you can use a File Stream (with the XML document) and the Xml Reader Settings object that has your validation settings: The Xml Reader in this example works in the same way as is explained in the articles How to use Xml Text Reader to read XML file as text in VB. Note: You can find more details about XML schemas from the article How to use XML Schemas in XML document. Schema namespace, which contains types such as Xml Schema and Xml Schema Collection: 2. Physical Application Path, “App_Data\Books List.xsd”); ‘ Indicate that elements in the namespace ‘ NET or How to use Xml Text Reader to read XML file as objects in VB.
You can follow the next steps when performing validation: 1. You need to create the validation reader, by using Xml Reader Settings object that specifically indicates that you want to perform validation. Books.com/Books List should be validated using the schema file. NET, but it adds the ability to verify that the XML document follows the schema rules. You can do this by setting the Validation Type property and loading your XSD schema file into the Schemas collection, as shown here: ‘ Configure the reader to use validation. This reader throws an exception (or raises an event) to indicate errors as you move through the XML file.