ViscomSoft Software

ASP.NET - How to merge PDF files on ASP.NET 2010

Step 1: To install the ASP.NET PDF Processing SDK Component, begin by launching the setup file (http://www.viscomsoft.com/demo/pdfprocessing.exe). Select the desired installation folder for the ASP.NET PDF Processing SDK Component and continue with the installation on your development computer.

Step 2: Started visual studio 2010, the next step is create a new project, select ASP.NET Empty Web Application. Click OK.


Step 3:  In Solution Explorer, selected References, right click the mouse, select Add Reference... , select Browse, select PDFProcessingWrapper.dll from C:\Program Files (x86)\ASP.NET PDF Processing SDK Component\bin folder, then click OK.



Step 4:  Select WebApplication1 in Solution Explorer, right click the mouse, select Add - New Items... , select Web Form, enter the Default.aspx name. Then click Add.


Step 5:  Select WebApplication1 in Solution Explorer, right click the mouse, select Add - New Folder, rename the folder to output and Add - New Folder again. named uploads, add two pdf files into uploads folder, named test1.pdf, test2.pdf.




Step 6:  Open Default.aspx.cs, add the following import statements to the top of the page.
using System.Web.Services;
using PDFProcessingWrapper;


Step 7:  Add MergePDFFiles function and Create an instance of ASP.NET PDF Processing SDK Component and then call Merge method.
[WebMethod]
public static string MergePDFFiles(string strInputPDFFile1, string strInputPDFFile2)
{
var myUniqueFileName = string.Format(@"{0}.pdf", Guid.NewGuid());

PDFProcessing obj = new PDFProcessing();

string stroutpath = HttpContext.Current.Server.MapPath("~/output/" myUniqueFileName);

string strinputpath1 = HttpContext.Current.Server.MapPath("~/uploads/" strInputPDFFile1);
string strinputpath2 = HttpContext.Current.Server.MapPath("~/uploads/" strInputPDFFile2);

bool bResult = obj.Merge(strinputpath1, strinputpath2, stroutpath);

if (bResult)
return "Merged PDF files Successful";
else
return "Merged PDF files Failed";
}

Step 8:  add the following code in Page Load event,it will merge two pdf files into one pdf file.
protected void Page_Load(object sender, EventArgs e)
{
 string strResult = MergePDFFiles("test1.pdf","test2.pdf");
 Response.Write(strResult).
}

Step 9. Press F5 run the project, it will output the pdf in output folder.

Download the ASP.NET 2010 Merge Sample