title: c# drop down results in combobox/textbox while typing
body: <p>[Beginner]I have a problem in combobox. When user typing in combobox the similar text in combobox and database will drop down below the combobox.</p>
  
  <p>I need your help, I'm only 1st year college taking up computer science and I have homework. I was given this exercise, and I need to complete it within 2 weeks, but I have only got 3 days to finish it. I don't know how to do this. (sorry to my english)</p>
  
  <p><a href="http://i.stack.imgur.com/XJ0ci.jpg" rel="nofollow">Here is the example</a> from youtube search field</p>