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I create in ASP.NET (2.0) a PDF-form with the function form.fillfield.

In some cases, I create a second PDF-file (also with filling fields)

These 2 forms are than concatenated. Afterwards I set the security.

The way I do it now, I create files and save them, gives me 4 PDF-files. Afterwards I have to delete 3 of them.

Is there a way to this at once? Or do I have to work with streams?

Second question: sometimes the files are not closed properly. In that case i can’t overwrite or delete the file, which will end in an error in case of creating a new file (with the same filename). I have to stop-and-restart the ‘defaultapppool’ in IIS to free the file. Is there a workaround for this, or is this a minor bug?

Thanks for considering Aspose.

  1. You can use two MemoryStreams to store the result after filled. Please refer the API doc:
  2. I think the unclosed file issue is caused by the wrong FileStream Constructor you call, not by Aspose.Pdf.Kit.

Here I give you a sample for illustration:


MemoryStream ms1 = new MemoryStream();

MemoryStream ms2 = new MemoryStream();

FileStream fs = new FileStream("FinallResult.pdf", FileMode.OpenOrCreate);

//First a input pdf file should be assigned
Aspose.Pdf.Kit.Form form1 = new Aspose.Pdf.Kit.Form("Doc1.pdf", ms1);

//Fill Form1 Fields


//First a input pdf file should be assigned
Aspose.Pdf.Kit.Form form2 = new Aspose.Pdf.Kit.Form("Doc2.pdf", ms2);

//Fill Form2 Fields


//Read the content from memory streams from the very beginning.

ms1.Position = 0;

ms2.Position = 0;

PdfFileEditor editor = new PdfFileEditor();







Although I use vb.NET, I’ll try this workaround tonight.

Thanx for the example. Most imoprtant; it’s even faster now compared working with different files.