Determining the line number in XML source

microsoft.public.dotnet.framework

9 Oct 2006 4:30 PM

Pavils Jurjans

Hello,

In my applications, there are several areas where I am parsing some XML
input. Whoever has prepared that XML, be it machine, or human, errors
happen, and the format is bad. When the XML itself is bad, the built-in XML
parser informs about the line and column where the problem has occured.

However, the XML may be valid, but the data that are within, not valid. And
I am talking about run-time invalidity, rather than schema invalidity. So,
error may occur at runtime, when specific data are passed to the method that
works with certain input thas is in XML.

If error accours, I'd like to know, not only at which element it happened (I
know it naturally, because I work with the XML node tree), but also in which
line this node is specified in the original XML input (let's assume I work
with the input data without touching it). Does the built-in parser holds
some memory about this? Or, am I doomed to write some sort or walker that
reopens the file and walks over it to find the appropriate node, and reports
the line and column number?

Thanks,

Pavils