How to open PDF file in a new tab or window instead of downloading it using asp net

Question

This is the code for downloading the file   System IO FileStream fs   new System IO FileStream Path      fileName  System IO FileMode Open  System IO FileAccess Read   byte   ar   new byte  int fs Length   fs Read ar  0   int fs Length   fs Close     Response AddHeader  content-disposition    attachment filename     AccNo   pdf    Response ContentType    application octectstream   Response BinaryWrite ar   Response End      When this code is executed  it will ask user to open or save the file  Instead of this I need to open a new tab or window and display the file  How can I achieve this   NOTE   File won t necessary be located in the website folder  It might be located in an other folder

User · Answer

this may help  Response Write   lt script gt     Response Write  window open     Inventory pages printableads pdf     newtab       Response Write   lt  script gt

User · Answer

Here I am using iTextSharp dll for generating PDF file  I want to open PDF file instead of downloading it  So I am using below code which is working fine for me  Now pdf file is opening in browser  now dowloading          Document pdfDoc   new Document PageSize A4  25  10  25  10           PdfWriter pdfWriter   PdfWriter GetInstance pdfDoc  Response OutputStream           pdfDoc Open            Paragraph Text   new Paragraph  Hi   This is Test Content            pdfDoc Add Text           pdfWriter CloseStream   false          pdfDoc Close            Response Buffer   true          Response ContentType    application pdf           Response Cache SetCacheability HttpCacheability NoCache           Response End        If you want to download file   add below line  after this   Response ContentType    application pdf    Response AddHeader  content-disposition    attachment filename Example pdf

User · Answer

Use this code  This works like a champ   Process process   new Process    process StartInfo UseShellExecute   true  process StartInfo FileName   outputPdfFile  process Start

User · Answer

Instead of loading a stream into a byte array and writing it to the response stream  you should have a look at HttpResponse TransmitFile  Response ContentType    Application pdf   Response TransmitFile pathtofile     If you want the PDF to open in a new window you would have to open the downloading page in a new window  for example like this    lt a href  viewpdf aspx  target   blank  gt View PDF lt  a gt

User · Answer

You have to create either another page or generic handler with the code to generate your pdf  Then that event gets triggered and the person is redirected to that page

User · Answer

Response ContentType   contentType  HttpContext Current Response AddHeader  Content-Disposition    inline  filename     fileName   Response BinaryWrite fileContent     And   lt asp LinkButton OnClientClick  openInNewTab     OnClick  CodeBehindMethod      gt    In javaScript    lt script type  text javascript  gt      function openInNewTab             window document forms 0  target     blank            setTimeout function      window document forms 0  target          0          lt  script gt    Take care to reset target  otherwise all other calls like Response Redirect will open in a new tab  which might be not what you want

User · Answer

you can return a FileResult from your MVC action                         MVC action                  public FileResult OpenPDF parameters                 code to fetch your pdf byte array        return File pdfBytes   application pdf                          js                Use formpost to post your data to action      var inputTag     lt input name  paramName  type  text  value      payloadString      gt        var form   document createElement  form        jQuery form  attr  id    pdf-form   attr  name    pdf-form   attr  class    pdf-form   attr  target     blank        jQuery form  attr  action     Controller OpenPDF   attr  method    post   attr  enctype    multipart form-data        jQuery form  append inputTag       document body appendChild form       form submit        document body removeChild form       return false    You need to create a form to post your data  append it your dom  post your data and remove the form your document body   However  form post wouldn t post data to new tab only on EDGE browser  But a get request works as it s just opening new tab with a url containing query string for your action parameters

[c#] How to open PDF file in a new tab or window instead of downloading it (using asp.net)?

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