Help parsing XML files using VB

SimpleSi · 09-06-2009, 07:47 AM

or any other language producing standalone exe

I want to make a prog to parse a bunch of xml files looking for a field and then change the value of that field.

Im completely stuck at the beginning just trying to use VB 2008 express to just read one simple XML file

Every single example I can find gives me an exception

so I must be missing something "basic"

Help (from VB experts or anyone else using a free prog)

regards

Simon

monkeyx · 09-06-2009, 08:10 AM

Hi,

I have used the following quite a bit

CodeProject: Quick and Dirty Settings Persistence with XML. Free source code and programming help

This is a more complete parsing article.

CodeProject: XMLite: simple XML parser.. Free source code and programming help

Not done much with vb.net, but you could use sharpcode to convert the c# to vb.net

Regards,

Tim

ICTNUT · 09-06-2009, 08:22 AM

Not sure if you want VB or VB.Net so heres both:

VB.Net:
vbCity/DevCity.NET Forums :: FAQ :: .NET :: VB.NET :: XML

VB:
vbCity/DevCity.NET Forums :: FAQ :: Visual Basic 6 :: VB6 & Web Development :: XML

Jamo · 09-06-2009, 08:22 AM

XML Developer Center

Check the MSDN refs, there is a .NET class for interpreting XML.

SimpleSi · 09-06-2009, 09:22 PM

Thanks for all the suggestions - I've found my problem!

I was using wordpad to save example xml files (I use it all the time to edit my real xml files) to read back in.

Of course, it defaults to saving as type rtf so the xml files were completely mal-formed

Found this out by just reading them back in one byte at a time

regards

Simon

Jamo · 10-06-2009, 08:25 AM

ah that would do it!! Try looking at Notepad++ for an alternative to that, it will format the files properly and make the code much easier to read!!

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09-06-2009, 07:47 AM	#1
SimpleSi Join Date: Jun 2005 Location: Lancashire Posts: 2,456 Thanks: 281 Thanked 173 Times in 143 Posts Rep Power: 48	Help parsing XML files using VB or any other language producing standalone exe I want to make a prog to parse a bunch of xml files looking for a field and then change the value of that field. Im completely stuck at the beginning just trying to use VB 2008 express to just read one simple XML file Every single example I can find gives me an exception so I must be missing something "basic" Help (from VB experts or anyone else using a free prog) regards Simon Last edited by SimpleSi; 09-06-2009 at 07:54 AM..

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Help parsing XML files using VB

09-06-2009, 08:10 AM	#2
monkeyx Join Date: Nov 2006 Posts: 329 Thanks: 6 Thanked 42 Times in 34 Posts Rep Power: 16	Hi, I have used the following quite a bit CodeProject: Quick and Dirty Settings Persistence with XML. Free source code and programming help This is a more complete parsing article. CodeProject: XMLite: simple XML parser.. Free source code and programming help Not done much with vb.net, but you could use sharpcode to convert the c# to vb.net Regards, Tim

09-06-2009, 08:22 AM	#3
ICTNUT Join Date: Jul 2005 Location: Hereford Posts: 1,052 Thanks: 103 Thanked 167 Times in 58 Posts Rep Power: 39	Not sure if you want VB or VB.Net so heres both: VB.Net: vbCity/DevCity.NET Forums :: FAQ :: .NET :: VB.NET :: XML VB: vbCity/DevCity.NET Forums :: FAQ :: Visual Basic 6 :: VB6 & Web Development :: XML

09-06-2009, 08:22 AM	#4
Jamo Join Date: Jan 2009 Posts: 492 Thanks: 5 Thanked 64 Times in 53 Posts Rep Power: 16	XML Developer Center Check the MSDN refs, there is a .NET class for interpreting XML.

09-06-2009, 09:22 PM	#5
SimpleSi Join Date: Jun 2005 Location: Lancashire Posts: 2,456 Thanks: 281 Thanked 173 Times in 143 Posts Rep Power: 48	Thanks for all the suggestions - I've found my problem! I was using wordpad to save example xml files (I use it all the time to edit my real xml files) to read back in. Of course, it defaults to saving as type rtf so the xml files were completely mal-formed Found this out by just reading them back in one byte at a time regards Simon

10-06-2009, 08:25 AM	#6
Jamo Join Date: Jan 2009 Posts: 492 Thanks: 5 Thanked 64 Times in 53 Posts Rep Power: 16	ah that would do it!! Try looking at Notepad++ for an alternative to that, it will format the files properly and make the code much easier to read!!

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