title: How to remove duplicate values from a IList, c#
body: <p>I have an ilist with 6 records, something like this</p>
  
  <p>1st Row</p>
  
  <p>time
  11:00</p>
  
  <p>location:</p>
  
  <p>Bangalore</p>
  
  <p>2nd Row
  time
  11:00</p>
  
  <p>Location
  NULL</p>
  
  <p>....</p>
  
  <p>I have to eliminate the 2nd row
  which has location null for the same time (11:00)</p>
  
  <p>Like this, I will be having thousands of records, from which i need to eliminate this.</p>
  
  <p>any solution ?</p>