title: objective c compare two date strings in NSDate
body: <p>Hi I am having two date as string , that is assigned to two labels,</p>
  
  <p>one label holds current date string, that is may 29, 2010</p>
  
  <p>similarly the other date will be selected by user in this same format, i need to check the user date is present, past , or future. by comparing with current date string.</p>
  
  <p>please provide some sample code.</p>
  
  <p>Thanks in advance.</p>