convert nsstring to cllcoordinate
<p>i am working on a application where i am saving the coordinates of a location in database
 now i need to use these coordinates and display the location on a map. Can some one please 
suggest me how can i change the latitude &amp; longitude stored as NSString to coordinate. I want 
to use these coordinates to display an anotation on the map.</p>

<p>Thanks in advance</p>
