Code

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 07:41:55 GMT

Thanks for all your help man.

I'm gonna call it a night.

I'll probably just create a new post tomorrow with this new problem as the subject.

-Lawson

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 06:32:17 GMT

Yeah, I caught that mistake right after I sent the last post.

I made the appropriate changes, but I still get the previously mentioned problem when I click the save button.

I checked for a capitalization mistake throughout the code, but I didn't find a mistake.

Do you know why the debugger suggests using the keyword "new"?

Re: Attachment Encoder and Decoder

Jimmy — Wed, 10 Feb 2010 06:20:35 GMT

Could it be that you don't actually have a field in your data source with this path?:

my:myFields/my:theAttachmentField2

Or perhaps there's a capitalization mistake somewhere (either in the way you named the field, or in that path there).

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 06:02:23 GMT

When I made the changes, the code passed through the debugger. However, when I tried to save the attachments I received the following.

NullReferenceException was unhandled by user codeTroubleShooting tips:Use the “new” keyword to create an object instance

For this line,

String theAttachment2 = nn.text;

Re: Attachment Encoder and Decoder

Jimmy — Wed, 10 Feb 2010 05:12:08 GMT

This line should have nn.text, not n.text, and theAttachment2, not theAttachment:

String theAttachment2 = n.text;if (theAttachment.Length > 0)

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 04:47:06 GMT

I tried to alter the button with the following code.

[InfoPathEventHandler(MatchPath = "btnSave", EventType = InfoPathEventType.OnClick)]public void btnSave_OnClick(DocActionEvent e)

{

//Get a reference to the attachment node.

IXMLDOMNode n = thisXDocument.DOM.selectSingleNode("my:myFields/my:theAttachmentField");

//Get the text of the node.

String theAttachment = n.text;if (theAttachment.Length > 0)

{

InfoPathAttachmentEncoding.InfoPathAttachmentDecoder myDecoder = new InfoPathAttachmentEncoding.InfoPathAttachmentDecoder(theAttachment);

myDecoder.SaveAttachment(@"C:\Users\Lawson\Documents\InfoPath Forms");

}

//Get a reference to the attachment node.

IXMLDOMNode nn = thisXDocument.DOM.selectSingleNode("my:myFields/my:theAttachmentField2");

//Get the text of the node.

String theAttachment2 = n.text;if (theAttachment.Length > 0)

{

InfoPathAttachmentEncoding.InfoPathAttachmentDecoder myDecoder = new InfoPathAttachmentEncoding.InfoPathAttachmentDecoder(theAttachment2);

myDecoder.SaveAttachment(@"C:\Users\Lawson\Documents\InfoPath Forms");

}

However, only the contents of theAttachment is saved when I press the save button.

Is my approach completely wrong?

-Lawson

Re: Attachment Encoder and Decoder

Jimmy — Wed, 10 Feb 2010 04:44:40 GMT

The button's code can do as much or as little as you want it to do. You just need to figure out a design that makes sense.

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 04:11:47 GMT

Can I add more attachment fields to the save button, or do I need to add another save button?

Thanks

-Lawson

Re: Attachment Encoder and Decoder

Jimmy — Wed, 10 Feb 2010 03:44:14 GMT

No worries. Glad it helped :-)

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 02:52:21 GMT

Yeah I know. I was following all of her directions and testing it. I posted that last post before I saw your response. You're AWESOME man. Thanks for all of your help

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 02:50:21 GMT

You are AWESOME!!!

Thank you!

I followed all of your directions, and the save button works.

Thanks for all your help

-Lawson

Re: Attachment Encoder and Decoder

Jimmy — Wed, 10 Feb 2010 02:40:20 GMT

I already told you how to fix the problem and Hilary has modified your code to work correctly. It has nothing to do with the System.Text namespace.

Re: Attachment Encoder and Decoder

Lawson — Wed, 10 Feb 2010 02:28:41 GMT

The decoder and encoder classes belong to the System.Text Namespace. I took your suggestion and tried to add the reference. However, the System.Text Namespace does not exist. I found many different system namespaces, but no system.text. This is pretty baffling because from everything I’ve read about VSTA 2.0 leads me to believe this reference should be available.

Do you have any suggestions?

Is it possible to download this particular Namespace from somewhere?

-Lawson

Re: Attachment Encoder and Decoder

Hilary Stoupa — Wed, 10 Feb 2010 02:16:31 GMT

Ah, I see Jimmy already posted the details about the issue! Here is a zip with the modified code. I've also included a Word docx with some screenshots and info to help you get your form template repointed to the corrected code module.

Re: Attachment Encoder and Decoder

Hilary Stoupa — Wed, 10 Feb 2010 02:09:26 GMT

I can see the problem, don't bother trying to add references -- I'll have this posted back here shortly...