UIPickerView Example

//In header file
#import [UIKit/UIKit.h]


@interface UISearchOrder : UIViewController {
IBOutlet UILabel *lblOrderDateFrom;
IBOutlet UILabel *lblOrderDateTo;
IBOutlet UILabel *lblOrderCompDateFrom;
IBOutlet UILabel *lblOrderCompDateTo;

IBOutlet UIView *viewPicker;
IBOutlet UIPickerView *pickData;

}
-(IBAction) btnPaymentTouch:(id)sender;
-(IBAction) btnDonePickerTouch:(id)sender;

@end

//In main file

#import "UISearchOrder.h"


@implementation UISearchOrder
NSArray *picker_global, *arr_Payment;
- (void)viewDidLoad {
[super viewDidLoad];
arr_Payment = [[NSArray alloc] initWithObjects:@"All",@"Paid",@"Pending",nil];

}
-(IBAction) btnPaymentTouch:(id)sender
{
picker_global=arr_Payment;
[pickData reloadComponent:0];
viewPicker.hidden=NO;

}
-(IBAction) btnDonePickerTouch:(id)sender
{
lblPayment.text= [arr_Payment objectAtIndex:[pickData selectedRowInComponent:0]];
viewPicker.hidden = YES;

}
#pragma mark -
#pragma mark Picker View Methods

- (NSString*)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component{
return [picker_global objectAtIndex:row];
}

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component{
}


#pragma mark -
#pragma mark UIPickerViewDataSource methods
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
return 1;
}

- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
return [picker_global count];

}