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POMerging multiple PDFs using iTextSharp in c#.net
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6029142
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AcceptedAnswerId
6056801
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4
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2
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CreationDate
2011-05-17T09:55:29.360
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18
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2018-07-17T11:42:24.903
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2012-07-06T13:33:03.580
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Body
Well i'm trying to merge multiple PDFs in to one. I gives no errors while compiling. I tried to merge the docs first but that went wrong because I'm working with tables. This is the asp.net code-behind <pre><code>if (Button.Equals("PreviewWord")) { String eventTemplate = Server.MapPath("/ERAS/Badges/Template/EventTemp" + EventName + ".doc"); String SinglePreview = Server.MapPath("/ERAS/Badges/Template/PreviewSingle" + EventName + ".doc"); String PDFPreview = Server.MapPath("/ERAS/Badges/Template/PDFPreviewSingle" + EventName + ".pdf"); String previewPDFs = Server.MapPath("/ERAS/Badges/Template/PreviewPDFs" + EventName + ".pdf"); if (System.IO.File.Exists((String)eventTemplate)) { if (vulGegevensIn == true) { //This creates a Worddocument and fills in names etc from database CreateWordDocument(vulGegevensIn, eventTemplate, SinglePreview, false); //This saves the SinglePreview.doc as a PDF @param place of PDFPreview CreatePDF(SinglePreview, PDFPreview); //Trying to merge String[] previewsSmall=new String[1]; previewsSmall[0] = PDFPreview; PDFMergenITextSharp.MergeFiles(previewPDFs, previewsSmall); } // merge PDFs here...........................; //here //no here// //... } } </code></pre> This is the PDFMergenITextSharpClass public static class PDFMergenITextSharp { <pre><code>public static void MergeFiles(string destinationFile, string[] sourceFiles) { try { int f = 0; // we create a reader for a certain document PdfReader reader = new PdfReader(sourceFiles[f]); // we retrieve the total number of pages int n = reader.NumberOfPages; //Console.WriteLine("There are " + n + " pages in the original file."); // step 1: creation of a document-object Document document = new Document(reader.GetPageSizeWithRotation(1)); // step 2: we create a writer that listens to the document PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(destinationFile, FileMode.Create)); // step 3: we open the document document.Open(); PdfContentByte cb = writer.DirectContent; PdfImportedPage page; int rotation; // step 4: we add content while (f < sourceFiles.Length) { int i = 0; while (i < n) { i++; document.SetPageSize(reader.GetPageSizeWithRotation(i)); document.NewPage(); page = writer.GetImportedPage(reader, i); rotation = reader.GetPageRotation(i); if (rotation == 90 || rotation == 270) { cb.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height); } else { cb.AddTemplate(page, 1f, 0, 0, 1f, 0, 0); } //Console.WriteLine("Processed page " + i); } f++; if (f < sourceFiles.Length) { reader = new PdfReader(sourceFiles[f]); // we retrieve the total number of pages n = reader.NumberOfPages; //Console.WriteLine("There are " + n + " pages in the original file."); } } // step 5: we close the document document.Close(); } catch (Exception e) { string strOb = e.Message; } } public static int CountPageNo(string strFileName) { // we create a reader for a certain document PdfReader reader = new PdfReader(strFileName); // we retrieve the total number of pages return reader.NumberOfPages; } } </code></pre>
Tags
<c#><pdf><merge><itextsharp>
Title
Merging multiple PDFs using iTextSharp in c#.net
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1. PO
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1. COUse PdfCopy instead of PdfWriter. There should be several samples & related questions floating around.
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 POMerging multiple PDFs using iTextSharp in c#.net
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 USMark Storer

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