title: How do I find week numbers of a given date range in C#
body: <p>I need to find the week numbers of a given date rage in C#.</p>
  
  <p>Ex: date between 01/01/2014 and 14/01/2014 
       Week numbers are 1st,2nd and 3rd weeks, likewise.</p>
  
  <p>Thanks.</p>