Error concatenating pdf's using Aspose.Pdf.Kit for .NET 3.8.0 & 3.9.0

Aspose.PDF Product Family
1

Using Aspose.Pdf.Kit for .NET 3.8.0 & Aspose.Pdf.Kit for .NET 3.9.0, Combining the attached pdf files causes the following error.

"Unable to cast object of type 'xeb116a323308e2f7.x0b25947bdf0fba40' to type 'xeb116a323308e2f7.xe3033695b7f6d53d'."

Please advice.

2

Hi Rakesh,

Thank you very much for considering Aspose.

I have noticed that your PDF files contain PDF Forms, so you can use ConcatenateForms method as shown in the following code snippet:


Aspose.Pdf.Kit.PdfFileEditor editor = new Aspose.Pdf.Kit.PdfFileEditor();


editor.ConcatenateForms(“EGA_Met_Business_Class_Fax_Cover_Sheet.pdf”, “EGA_Authorization_Form.pdf”, “output1.pdf”);

editor.ConcatenateForms(“output1.pdf”, “COMPDISC-ID_LiveCycle_030909.pdf”, “output2.pdf”);

editor.ConcatenateForms(“output2.pdf”, “COMB-89216-HI.pdf”, “output3.pdf”);
I have tested the files using above sample and the concatenation was successful.

If you have any further questions or find some other issue, please do let us know.
Regards,