Programatically created UIDatepicke done and cancle button is not working - objective-c

Question

This is my UIDatePicker code but in that picker, done and cancle button is not working ...please help me.... i also add here my done and cancle button methods here..Please give me a proper suggessions for how it works properly.
if (textField.tag==Jobdatetxt.tag)
{
[Jobdatetxt resignFirstResponder];
[data.toolbar removeFromSuperview];
UITextField *lagFreeField = [[UITextField alloc] init];
[self.view.window addSubview:lagFreeField];
[lagFreeField becomeFirstResponder];
[lagFreeField resignFirstResponder];
[lagFreeField removeFromSuperview];
//////////////////////////////////////////////// DATE OF JOB////////////////////////////////////////////////
pickerDate = [[UIDatePicker alloc] initWithFrame:CGRectMake(0,result.height - 216, result.width, 216)];
[pickerDate setDatePickerMode:UIDatePickerModeDate];
pickerDate.backgroundColor = [UIColor whiteColor];
[self.view.window addSubview:pickerDate];
toolbar = [[UIToolbar alloc] init];
toolbar.barStyle = UIBarStyleBlackOpaque;
toolbar.frame=CGRectMake(0,result.height - 266,result.width,50);
cancel = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[cancel setTitle:#"Cancel" forState:UIControlStateNormal];
cancel.backgroundColor = [UIColor clearColor];
[cancel.titleLabel setFont:[UIFont boldSystemFontOfSize:18]];
cancel.titleLabel.textColor = [UIColor whiteColor];
[cancel addTarget:self action:#selector(CancelClicked:) forControlEvents:UIControlEventTouchUpInside];
cancel.tag = textField.tag;
cancel.frame = CGRectMake(10, 10, 70, 30);
[toolbar addSubview:cancel];
doneButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[doneButton setTitle:#"Done" forState:UIControlStateNormal];
doneButton.backgroundColor = [UIColor clearColor];
[doneButton.titleLabel setFont:[UIFont boldSystemFontOfSize:18]];
doneButton.titleLabel.textColor = [UIColor whiteColor];
[doneButton addTarget:self action:#selector(DoneClicked:) forControlEvents:UIControlEventTouchUpInside];
doneButton.tag = textField.tag;
doneButton.frame = CGRectMake(result.width - 80, 10, 70, 30);
[toolbar addSubview:doneButton];
[self.view.window addSubview:toolbar];
}
// Done Button method
-(IBAction)DoneClicked:(UIButton *)sender
{
[pickerDate removeFromSuperview];
[toolbar removeFromSuperview];
}
//Cancle Button Method
-(IBAction)CancelClicked:(UIButton *)sender
{
[pickerDate removeFromSuperview];
[toolbar removeFromSuperview];
}