> I have this code:
>
> XmlDocument x = new XmlDocument();
> x.Schemas.Add(
> null  //use the targetnamespace stored in the schema file
> , ExtendedTreeViewSchema  //URL of schema file.
> );
> x.LoadXml(XmlSource);
>
> x.Validate(new ValidationEventHandler(Handler));
>
> The event handler looks like this:
>
> private static void Handler(object sender, ValidationEventArgs e)
> {
> if (e.Severity == XmlSeverityType.Error || e.Severity ==
> XmlSeverityType.Warning)
> System.Diagnostics.Trace.WriteLine(
> String.Format("Line: {0}, Position: {1} \"{2}\"",
> e.Exception.LineNumber, e.Exception.LinePosition,
> e.Exception.Message));
> }
>
> In VS2005 IDE I can take an XML document and purposely invalidate a
> couple of lines according to the schema specification.  Having done
> so, I see  the following messages in the VS2005 IDE:
>
> Warning    1    The 'columnValue' element is invalid - The value 'AUD'' is
> invalid
> according to its datatype
> VS also tells me this warning occurred on Line 31    at Column 30
> Warning    2    The 'columnValue' element is invalid - The value 'CRC*'' is
> invalid according to its datatype VS also tells me that this warning
> occurred on Line 41    at column 31.
>
> Both Warnings and Lines/Column numbers are what I expect based on the
> errors I purposely made in the file.
>
> When I run the code using the same XML file,  I get the same messages
> but the Line and Column numbers are always 0:
>
> Line: 0, Position: 0 "The 'columnValue' element is invalid - The value
> 'AUD'' is invalid according to its datatype
>
> Line: 0, Position: 0 "The 'columnValue' element is invalid - The value
> 'CRC*'' is invalid according to its datatype
>
> What am I doing wrong?

"Joerg Jooss" wrote:

> Thus wrote Brian,
>
> > I have this code:
> >
> > XmlDocument x = new XmlDocument();
> > x.Schemas.Add(
> > null  //use the targetnamespace stored in the schema file
> > , ExtendedTreeViewSchema  //URL of schema file.
> > );
> > x.LoadXml(XmlSource);
> >
> > x.Validate(new ValidationEventHandler(Handler));
> >
> > The event handler looks like this:
> >
> > private static void Handler(object sender, ValidationEventArgs e)
> > {
> > if (e.Severity == XmlSeverityType.Error || e.Severity ==
> > XmlSeverityType.Warning)
> > System.Diagnostics.Trace.WriteLine(
> > String.Format("Line: {0}, Position: {1} \"{2}\"",
> > e.Exception.LineNumber, e.Exception.LinePosition,
> > e.Exception.Message));
> > }
> >
> > In VS2005 IDE I can take an XML document and purposely invalidate a
> > couple of lines according to the schema specification.  Having done
> > so, I see  the following messages in the VS2005 IDE:
> >
> > Warning    1    The 'columnValue' element is invalid - The value 'AUD'' is
> > invalid
> > according to its datatype
> > VS also tells me this warning occurred on Line 31    at Column 30
> > Warning    2    The 'columnValue' element is invalid - The value 'CRC*'' is
> > invalid according to its datatype VS also tells me that this warning
> > occurred on Line 41    at column 31.
> >
> > Both Warnings and Lines/Column numbers are what I expect based on the
> > errors I purposely made in the file.
> >
> > When I run the code using the same XML file,  I get the same messages
> > but the Line and Column numbers are always 0:
> >
> > Line: 0, Position: 0 "The 'columnValue' element is invalid - The value
> > 'AUD'' is invalid according to its datatype
> >
> > Line: 0, Position: 0 "The 'columnValue' element is invalid - The value
> > 'CRC*'' is invalid according to its datatype
> >
> > What am I doing wrong?
>
> Validation warnings are disabled by default. What you need to do is create
> an XmlReaderSettings object and enable warnings through that object.
>
> Unfortunately, there seems to be no way to pass your own XmlReaderSettings
> object to XmlDocument.Validate(). Instead, you can use a validating XmlReader
> and an  XmlNodeReader to validate an existing XmlDocument like this:
>
> // Configure validation options
> XmlReaderSettings settings = new XmlReaderSettings();
> settings.CloseInput = true;
> settings.ValidationEventHandler += OnValidationEvent;  // Your callback...
> settings.ValidationType = ValidationType.Schema;
> settings.ValidationFlags =
>   XmlSchemaValidationFlags.ReportValidationWarnings |
>   XmlSchemaValidationFlags.ProcessIdentityConstraints |
>   XmlSchemaValidationFlags.ProcessInlineSchema |
>   XmlSchemaValidationFlags.ProcessSchemaLocation;
>
> // Wrap document in an XmlNodeReader and run validation on top of that
> XmlNodeReader nodeReader = new XmlNodeReader(xmlDocument);
> using(XmlReader validatingReader = XmlReader.Create(nodeReader, settings)) {
>   while(validatingReader.Read()) { /* just loop through document */ } 
> }
>
> Cheers,
> --
> Joerg Jooss
> news-re***@joergjooss.de
>
>
>

"Brian Cobb" wrote:

> Still getting Line number zero, position zero in the Handler.  Here is the
> relevant code:
>
> XmlDocument x = new XmlDocument();
> x.LoadXml(XmlSource);
>
> XmlReaderSettings settings = new XmlReaderSettings();
> settings.CloseInput = true;     
> settings.ValidationEventHandler += Handler;
>
> settings.ValidationType = ValidationType.Schema;
> settings.Schemas.Add(null, ExtendedTreeViewSchema);
> settings.ValidationFlags =
>      XmlSchemaValidationFlags.ReportValidationWarnings |
> XmlSchemaValidationFlags.ProcessIdentityConstraints |
> XmlSchemaValidationFlags.ProcessInlineSchema |
> XmlSchemaValidationFlags.ProcessSchemaLocation ;
>
>
> XmlNodeReader nodeReader = new XmlNodeReader(x);
> using (XmlReader validatingReader = XmlReader.Create(nodeReader, settings))
> {
>         while (validatingReader.Read()) { /* just loop through document */ }
> }
>
> And the handler:
>
> private static void Handler(object sender, ValidationEventArgs e)
> {
>
>         if (e.Severity == XmlSeverityType.Error || e.Severity ==
> XmlSeverityType.Warning)
>           System.Diagnostics.Trace.WriteLine(
>             String.Format("Line: {0}, Position: {1} \"{2}\"",
>                 e.Exception.LineNumber, e.Exception.LinePosition,
> e.Exception.Message));
>        
> }
>
> As before, I see the expected error messages but not the line numbers.
>
> "Joerg Jooss" wrote:
>
> > Thus wrote Brian,
> >
> > > I have this code:
> > >
> > > XmlDocument x = new XmlDocument();
> > > x.Schemas.Add(
> > > null  //use the targetnamespace stored in the schema file
> > > , ExtendedTreeViewSchema  //URL of schema file.
> > > );
> > > x.LoadXml(XmlSource);
> > >
> > > x.Validate(new ValidationEventHandler(Handler));
> > >
> > > The event handler looks like this:
> > >
> > > private static void Handler(object sender, ValidationEventArgs e)
> > > {
> > > if (e.Severity == XmlSeverityType.Error || e.Severity ==
> > > XmlSeverityType.Warning)
> > > System.Diagnostics.Trace.WriteLine(
> > > String.Format("Line: {0}, Position: {1} \"{2}\"",
> > > e.Exception.LineNumber, e.Exception.LinePosition,
> > > e.Exception.Message));
> > > }
> > >
> > > In VS2005 IDE I can take an XML document and purposely invalidate a
> > > couple of lines according to the schema specification.  Having done
> > > so, I see  the following messages in the VS2005 IDE:
> > >
> > > Warning    1    The 'columnValue' element is invalid - The value 'AUD'' is
> > > invalid
> > > according to its datatype
> > > VS also tells me this warning occurred on Line 31    at Column 30
> > > Warning    2    The 'columnValue' element is invalid - The value 'CRC*'' is
> > > invalid according to its datatype VS also tells me that this warning
> > > occurred on Line 41    at column 31.
> > >
> > > Both Warnings and Lines/Column numbers are what I expect based on the
> > > errors I purposely made in the file.
> > >
> > > When I run the code using the same XML file,  I get the same messages
> > > but the Line and Column numbers are always 0:
> > >
> > > Line: 0, Position: 0 "The 'columnValue' element is invalid - The value
> > > 'AUD'' is invalid according to its datatype
> > >
> > > Line: 0, Position: 0 "The 'columnValue' element is invalid - The value
> > > 'CRC*'' is invalid according to its datatype
> > >
> > > What am I doing wrong?
> >
> > Validation warnings are disabled by default. What you need to do is create
> > an XmlReaderSettings object and enable warnings through that object.
> >
> > Unfortunately, there seems to be no way to pass your own XmlReaderSettings
> > object to XmlDocument.Validate(). Instead, you can use a validating XmlReader
> > and an  XmlNodeReader to validate an existing XmlDocument like this:
> >
> > // Configure validation options
> > XmlReaderSettings settings = new XmlReaderSettings();
> > settings.CloseInput = true;
> > settings.ValidationEventHandler += OnValidationEvent;  // Your callback...
> > settings.ValidationType = ValidationType.Schema;
> > settings.ValidationFlags =
> >   XmlSchemaValidationFlags.ReportValidationWarnings |
> >   XmlSchemaValidationFlags.ProcessIdentityConstraints |
> >   XmlSchemaValidationFlags.ProcessInlineSchema |
> >   XmlSchemaValidationFlags.ProcessSchemaLocation;
> >
> > // Wrap document in an XmlNodeReader and run validation on top of that
> > XmlNodeReader nodeReader = new XmlNodeReader(xmlDocument);
> > using(XmlReader validatingReader = XmlReader.Create(nodeReader, settings)) {
> >   while(validatingReader.Read()) { /* just loop through document */ } 
> > }
> >
> > Cheers,
> > --
> > Joerg Jooss
> > news-re***@joergjooss.de
> >
> >
> >