title: Auto generate excel file at specific time of the day
body: <p>I have developed application in which I am creating some excel reports such as daily, weekly, monthly by making some database calls &amp; using interop libraries. </p>
  
  <p>Now I want to generate the same report at specific time of the day automatically and want to store the same in some folder. </p>
  
  <p>I have few option as below </p>
  
  <ol>
  <li>Use timer and call the specific function every day for generating the file. </li>
  <li>Use windows service </li>
  </ol>
  
  <p>Can any one please give me some inputs for the same. </p>