Populate a LiveCycle PDF (XFA) form with XDP data

This code example demonstrates how to populate a LiveCycle PDF (XFA) form with XDP data.

Imports FDFApp
Imports FDFApp.FDFApp_Class
Imports FDFApp.FDFDoc_Class
Partial Public Class populate_pdf_xdp_data
    Inherits System.Web.UI.Page

    Private PDFPath As String = Server.MapPath("/MyData/myPDFFile.pdf")
    Private XDPPath As String = Server.MapPath("/MyData/myXDPFile.xdp")
    Private cFDFDoc As New FDFApp.FDFDoc_Class
    Private cFDFApp As New FDFApp.FDFApp_Class
    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Try
	  ' OPEN XDP FROM BUFFER
	  'cFDFDoc = cFDFApp.FDFOpenFromStream(Request.InputStream, True, True)

	  ' CREATE A BLANK CLASS
	  'cFDFDoc = cFDFApp.FDFCreate

	  ' OPEN FROM FILE
	  cFDFDoc = cFDFApp.FDFOpenFromFile(XDPPath, True, True)
	  ' POPULATE A PDF WITH XDP DATA
	  Populate_PDF_XDP_Data()
        Catch Ex As Exception
	  Response.Write("Error: " & Ex.Message)
	  Response.End()
        End Try
    End Sub
    Public Sub Populate_PDF_XDP_Data()
        Try
	  cFDFDoc.PDFData = cFDFDoc.PDFMergeXDP2Buf(PDFPath, False, "")
	  ' CLEAR
	  Response.Clear()
	  ' MIME
	  Response.ContentType = cFDFApp.MimePDF
	  ' BUFFER
	  Response.BinaryWrite(cFDFDoc.PDFData)
        Catch ex As Exception
	  Throw ex
        End Try
        ' CALL OUTSIDE OF TRY{}
        ' END STREAM ENSURES NO HTML DATA IS WRITTEN
        Response.End()
    End Sub

End Class