dynamically send sms to contact list or from database

[muzamil]

i want to ask how i show contact list when i sending sms and it show list like receipents. i don't want to hard code my numbers it must be dynamic and it show list of numbers or names from database and how i do this from contact list my code is like this

-(IBAction)composerSheet
{
appDelegate=(UntitledAppDelegate *)[[[UIApplication sharedApplication] delegate]retain];
studentArray=[[[NSMutableArray alloc]init]retain];
studentArray=[[appDelegate.database selectStudentName]retain];
MFMessageComposeViewController *picker = [[MFMessageComposeViewController alloc] init];
picker.messageComposeDelegate = self;

picker.recipients = [NSArray arrayWithArray:studentArray];
picker.body = @"iPhone OS4";

[self presentModalViewControllericker animated:YES];
[picker release];

}