title: NSString for uiviewcontroller
body: <p>I want to declare nsstring in uiviewcontroller.h file and use this string as whole uiviewcontroller , we want to set and get string values using these strings. I defined viewcontroller .h file  like this</p>
  
  <p>NSString  *SelectedString;</p>
  
  <p>For some time it released string values and crashes app nothing shows in log.</p>
  
  <p>can anyone help me ?</p>