Sample Code VB.NET
Imports SelectPdf Namespace Controllers Public Class PdfSplitController Inherits Controller ' GET: PdfSplit Public Function Index() As ActionResult Return View() End Function <HttpPost> _ Public Function SubmitAction(collection As FormCollection) As ActionResult ' the initial file Dim file1 As String = Server.MapPath("~/files/doc.pdf") ' load the pdf document Dim doc1 As New PdfDocument(file1) ' create a new pdf document Dim doc As New PdfDocument() ' add 2 pages to the new document If doc1.Pages.Count > 2 Then doc.AddPage(doc1.Pages(1)) doc.AddPage(doc1.Pages(2)) End If ' save pdf document Dim pdf As Byte() = doc.Save() ' close pdf document doc.Close() ' return resulted pdf document Dim fileResult As FileResult = New FileContentResult(pdf, "application/pdf") fileResult.FileDownloadName = "Document.pdf" Return fileResult End Function End Class End Namespace