Looking for a couple of PDF related components ......

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From Filling in PDF Forms with ASP.NET and iTextSharp - 4GuysFromRolla.com[^] I downloaded the source code, and then created a ASP.Net project using the code. However, I could not compile the project due to the missing of components. For instance, for the 2 lines of the code below, the PDFFieldType and PDFCheckBoxFieldType are in red-error:

C#

var formFieldType = PDFFieldType.GetPDFFieldType(formFields.GetFieldType(entry.Key.ToString()));
if (formFieldType is PDFCheckBoxFieldType) { ... }

I downloaded the XFINIUM.PDF WIN/MONO PROFESSIONAL EDITION 6.2.0 components downloaded from http://www.xfiniumpdf.com/xfinium-pdf-downloads.html and then installed its .msi. It looks to be that there are some missing components.

What I have tried:

Looking for a couple of PDF related components ......

Posted 15-Jun-16 8:34am

s yu

Updated 15-Jun-16 9:40am

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Dave Kreskowiak · Answer 1 · 2016-06-15T09:40:00

Solution 1

You didn't read the article very carefully. It tells you explicitly:

Quote:
that examines how to programmatically work with PDF files from an ASP.NET application using iTextSharp, a .NET open source library for PDF generation.

It's even in the title of the article!

Posted 15-Jun-16 9:40am

Dave Kreskowiak

Updated 15-Jun-16 9:42am

v3

Comments

s yu 16-Jun-16 7:27am

Dave: I followed the procedure step by step. I did load the itextsharp.dll as one of the reference. The iTextSharp version from the source code is 4.1.6. I checked itextsharp on Object Browser, but could not find the 3 members (PDFCheckBoxFieldType, PDFFieldType.GetPDFFieldType, PDFHelper.GetExportValue) in the program.

Dave Kreskowiak 16-Jun-16 8:29am

Did you add the appropriate using directives to the top of the code to import the namespaces those classes are in?

s yu 16-Jun-16 9:05am

I loaded the code from the original (including: using iTextSharp.text.pdf; on the top). Could you provide additional advisory if you can? Thanks.

Dave Kreskowiak 16-Jun-16 9:18am

Do you still get the squiggley red line under those terms?

s yu 16-Jun-16 9:23am

Yes for the squiggley red lines. Through Object Browser, can't find the missing components.

Dave Kreskowiak 16-Jun-16 9:45am

That's because you haven't imported the correct namespace.

Right-click the term with the squiggley under it and you should see some Quick Actions, one of which will be a "using ...." with the namespace the term is in.

The menu is different depending on the version of Visual Studio you're using. For VS2015, you just hover the mouse over the squiggley and you get a lightbulb. Click the lightbulb and you get the Quick Actions.

s yu 16-Jun-16 10:28am

You are right. I believe that the namespace I imported is the problem. The namespace for this source code is pointed to itextsharp V4.1.6. I have sent a message to the author and hopefully I can get a response from him. Thanks a lot.

Dave Kreskowiak 16-Jun-16 11:31am

I just told you how to fix it.