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Example 1: Merge several PDF files (ASP.NET)  
Copy the PDFmerge .NET assembly from the c:\program files\neeviaPDF.com\PDFmerge\dotNet\ folder into your web site bin folder;
mergeVB.aspx (VB.NET):
  <%@ Page Language="VB" %>
  <HTML>
  <HEAD>
     <SCRIPT runat="server">
        Sub Button1_OnClick(Source As Object, e As EventArgs)
   	  Dim NVmerge As new Neevia.PDFmerge
	  Dim retVal
   	  retVal = NVmerge.MergePDF("c:\1.pdf+c:\2.pdf", "c:\merged.pdf")
	  If retVal <> 0 Then
  	    Response.Write("Error code=" & CStr(retVal))
	  Else
	    Response.Write("Done")
	  End If
        End Sub
     </SCRIPT>
   </HEAD>
   <BODY><CENTER>
     <FORM id="Form1" enctype="multipart/form-data" method="post" runat="server">
     <INPUT id="Submit1" type="submit" value="Merge files" 
       OnServerClick="Button1_OnClick" name="Submit1" runat="server">
     </FORM>
   </BODY>
   </HTML>
mergeCsharp.aspx (C#):
<%@ Page Language="C#" %>
<HTML>
<HEAD>
   <SCRIPT runat="server">
      void Button1_OnClick(object Source, EventArgs e)
      {
	  Neevia.PDFmerge NVmerge = new Neevia.PDFmerge();
	  int retVal;

	  retVal = NVmerge.MergePDF(@"c:\1.pdf+c:\2.pdf",@"c:\merged.pdf");
	  if (retVal != 0) {
	    Response.Write("Error code = " + retVal.ToString());
	  } else {
	    Response.Write("Done");
	  }

      }
   </SCRIPT>
</HEAD>
<BODY><CENTER>
<FORM id="Form1" enctype="multipart/form-data" method="post" 
runat="server">
<INPUT id="Submit1" type="submit" value="Merge files" 
OnServerClick="Button1_OnClick" name="Submit1" runat="server">
</FORM>
</BODY>
</HTML>

Neevia PDFstamp is the right tool in case you need to programmatically stamp batches of PDF files with multiple watermaks. It is fast and cost effective!

Peter Stolz

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