title: Processing an excel sheet with password
body: <p>I have a web app which lets the user select the excel spreadsheet and does some processing against tables on sql server, adds new col. to sheet. in C#. sorry my bad, not using Interop but using DevExpress to process. they have a feature to process excel sheets. but it's not working on the password protected ones/
  I am getting now excels with password protected how can i have the c# be told to ignore password?</p>