for ( NSDictionary *theCourse in json)
     {
          NSLog(@"yes yessss %@",[[theCourse objectForKey:@"allFormsResult"]valueForKey:@"CustomerNo"]);


        }

2014-04-25 16:50:59.982 IVRSApp[4263:70b] gggggg(
)
2014-04-25 16:50:59.982 IVRSApp[4263:70b] -[__NSCFString objectForKey:]: unrecognized selector sent to instance 0x997c2c0
2014-04-25 16:50:59.987 IVRSApp[4263:70b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFString objectForKey:]: unrecognized selector sent to instance 0x997c2c0'
*** First throw call stack:
(