System.Xml.XmlSchemaIntegrityValidationWarning Class

The XmlSchemaIntegrityValidationWarning class represents a warning that occurs when an XML document validates against an XML schema with integrity checks enabled. It provides details about the warning, including the line number, position, and a descriptive message.

Namespace

System.Xml

Assembly

System.Xml.dll

Inheritance

Object → XmlSchemaIntegrityValidationWarning

Properties

Message – string – The warning message.
LineNumber – int – The line number where the warning occurred.
LinePosition – int – The character position in the line.
SourceUri – string – The URI of the XML source.

Methods

ToString() – Returns a string representation of the warning.

Example

using System;
using System.Xml;
using System.Xml.Schema;

class Program
{
    static void Main()
    {
        string xml = @"<book isbn='1234567890'><title>Sample</title></book>";
        string xsd = @"<xs:schema xmlns:xs='http://www.w3.org/2001/XMLSchema'>
  <xs:element name='book'>
    <xs:complexType>
      <xs:sequence>
        <xs:element name='title' type='xs:string'/>
      </xs:sequence>
      <xs:attribute name='isbn' type='xs:string' use='required'/>
    </xs:complexType>
  </xs:element>
</xs:schema>";

        XmlSchemaSet schemas = new XmlSchemaSet();
        schemas.Add("", XmlReader.Create(new System.IO.StringReader(xsd)));

        XmlReaderSettings settings = new XmlReaderSettings();
        settings.Schemas = schemas;
        settings.ValidationType = ValidationType.Schema;
        settings.ValidationEventHandler += (sender, e) =>
        {
            if (e.Severity == XmlSeverityType.Warning)
            {
                var warning = new XmlSchemaIntegrityValidationWarning
                {
                    Message = e.Message,
                    LineNumber = e.Exception.LineNumber,
                    LinePosition = e.Exception.LinePosition,
                    SourceUri = e.Exception.SourceUri
                };
                Console.WriteLine(warning);
            }
        };

        using (XmlReader reader = XmlReader.Create(new System.IO.StringReader(xml), settings))
        {
            while (reader.Read()) ;
        }
    }
}

MSDN Documentation