See http://1t3xt.info/examples/browse/?page=example&id=35. The idea is to
create the individual files with PdfStamper and then combine them with PdfCopy.
Paulo
----- Original Message -----
From: John Polley
To: Post all your questions about iText here
Sent: Monday, April 05, 2010 9:12 PM
Subject: Re: [iText-questions] Question about merging pdf documents
Paulo,
Thanks for the quick response. I’ve tried to find an example or some
documentation as to what you mean but can’t come up with anything. Would you
please tell me exactly how to reload the pdf written by the stamper. Also, I’d
really like to be creating the stamper documents in memory… do I do this just
by changing the os used when creating the stamper?
Thanks again for your help!
From: Paulo Soares [mailto:psoa...@glintt.com]
Sent: Monday, April 05, 2010 3:48 PM
To: Post all your questions about iText here
Subject: Re: [iText-questions] Question about merging pdf documents
After closing stamper you'll have to reload the pdf written by stamper.
Paulo
----- Original Message -----
From: John Polley
To: itext-questions@lists.sourceforge.net
Sent: Monday, April 05, 2010 8:40 PM
Subject: [iText-questions] Question about merging pdf documents
Hi,
I’ve been trying to get this to work for several days now and am pretty
close but, it appears that I am overlooking something. I am writing a comclass
using VS2005 and the itext class. The comclass reads from records from a
database and then, using a pdf document with form fields, creates a separate
page (i.e., document) for each record in the table. My comclass works just fine
if I write each resulting pdf out to separate file but I’d like to merge the
individual documents into a single pdf. Here is the code that I am using:
Dim out As New System.IO.FileStream(Me._CreateDocumentPath &
Me._CreateDocumentName, FileMode.Create)
Dim document As New Document()
Dim writer As PdfWriter = PdfWriter.GetInstance(document, out)
document.Open()
Dim page As PdfImportedPage
Dim fieldvalue As String = ""
Using connection As SqlConnection = New
SqlConnection(builder.ConnectionString)
Try
connection.Open()
Catch exception1 As SqlException
ProjectData.SetProjectError(exception1)
Dim exception As SqlException = exception1
Interaction.MsgBox((Conversions.ToString(exception.ErrorCode) & " " &
exception.Message), MsgBoxStyle.OkOnly, Nothing)
Dim str3 As String = ("Error: on database connection: " &
Conversions.ToString(exception.ErrorCode) & " " & exception.Message)
ProjectData.ClearProjectError()
Return str3
End Try
Using command As SqlCommand = New SqlCommand("SELECT * FROM
##PDFFormValues", connection)
Using reader2 As SqlDataReader = command.ExecuteReader
Dim pagecount As Integer = 1
Dim fieldCount As Integer = reader2.FieldCount
Dim num3 As Integer = (fieldCount - 1)
Do While reader2.Read
Dim reader As New PdfReader(filename)
Dim stamper As New PdfStamper(reader, New
FileStream("h:\temp" & pagecount & ".pdf", FileMode.Create)) ' New
FileStream(path, FileMode.Create))
Dim acroFields As AcroFields = stamper.AcroFields
Dim i As Integer = 0
Do While (i <= num3)
If IsDBNull(reader2.GetValue(i)) Then
fieldvalue = ""
Else
fieldvalue = reader2.GetValue(i)
End If
acroFields.SetField(reader2.GetName(i),
Conversions.ToString(fieldvalue))
i += 1
Loop
stamper.FormFlattening = True
stamper.Close()
page = writer.GetImportedPage(reader, 1) 'This
gives blank forms if stamper.close is commented out, otherwise, i get error 14
document.NewPage()
writer.DirectContent.AddTemplate(page, 0, 0)
pagecount += 1
Loop
reader2.Close()
End Using
End Using
End Using
The closest that I have gotten is a document with the correct number of
pages (ie. One for each record in my table) but with none of the form fields
showing.
I’d really appreciate it if you could point out what I have done wrong or
an missing.
Regards.
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