title: Autofill textbox from database based on change of dropdown list value
body: <p>My jsp page has a select box with all userIds. And I have two text boxes for username and Data of birth. I want to autofill the textboxes when I select a userid from dropdown list.</p>
  
  <p>I have a separate Servlet class and Database class for querying. </p>
  
  <p>How to automatically the textboxes when I select userid from dropdown ? And i want this textboxes to be not editable. Can someone provide me example code. </p>