title: how to show password protected pdf file in browser in asp.net
body: <p>in my application which is in asp.net 4.0 we are uploading password protected pdf files on server for course material. when user will login i want to show those password protected pdf files in browser. and when user will download pdf it should ask for password.</p>
  
  <p>Can any one suggest the solution, how i can achieve this without using any third party tool.</p>
  
  <p>Thanks in advance. </p>