This documentation is archived and is not being maintained.

XmlSchemaException Class

Returns detailed information about the schema exception.

Namespace:  System.Xml.Schema
Assembly:  System.Xml (in System.Xml.dll)

'Declaration
<SerializableAttribute> _
Public Class XmlSchemaException _
	Inherits SystemException
'Usage
Dim instance As XmlSchemaException

Security noteSecurity Note:

The XmlSchemaException class may contain sensitive information that should not be exposed in untrusted scenarios. For example, the SourceUri property returns the URI path to the schema file that caused the exception. The SourceUri property should not be exposed in untrusted scenarios. Exceptions should be properly handled so that this sensitive information is not exposed in untrusted scenarios.

The following example shows the use of the XmlSchemaException class.

Option Strict On
Option Explicit On

Imports System
Imports System.Xml
Imports System.Xml.Schema
Imports System.IO
Imports Microsoft.VisualBasic

Public Class ValidXSD
    Public Shared Sub Main()
        Dim fs As FileStream
        Dim schema As XmlSchema
        Try
            fs = New FileStream("example.xsd", FileMode.Open)
            schema = XmlSchema.Read(fs, New ValidationEventHandler(AddressOf ShowCompileError))

            Dim schemaSet As New XmlSchemaSet()
            AddHandler schemaSet.ValidationEventHandler, AddressOf ShowCompileError

            schemaSet.Add(schema)
            schemaSet.Compile()

            Dim compiledSchema As XmlSchema = Nothing 

            For Each schema1 As XmlSchema In schemaSet.Schemas()
                compiledSchema = schema1
            Next

            schema = compiledSchema

            If schema.IsCompiled Then 
                ' Schema is successfully compiled.  
                ' Do something with it here. 
            End If 

        Catch e As XmlSchemaException
            Console.WriteLine("LineNumber = {0}", e.LineNumber)
            Console.WriteLine("LinePosition = {0}", e.LinePosition)
            Console.WriteLine("Message = {0}", e.Message)
            Console.WriteLine("Source = {0}", e.Source)

        End Try 
    End Sub 'Main


    Private Shared Sub ShowCompileError(ByVal sender As Object, ByVal e As ValidationEventArgs)
        Console.WriteLine("Validation Error: {0}", e.Message)
    End Sub 'ShowCompileError
End Class 'ValidXSD

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
Show: