How to upload images with text using iPhone SDK using ASIHttpRequest ?

Code .h file.
#import

@interface RootViewController : UIViewController {
   
    NSMutableArray *arrImages;
    IBOutlet UIButton *btnImage1;
    IBOutlet UIButton *btnImage2;
    IBOutlet UIButton *btnImage3;
    IBOutlet UIButton *btnImage4;
}

- (IBAction)btnTakePicture_Clicked:(id)sender;
- (IBAction)btnPostImages_Clicked:(id)sender;
@end
Code .m file.
#import "RootViewController.h"
#import "ASIFormDataRequest.h"

@implementation RootViewController
int intButton;

#pragma mark -
#pragma mark View lifecycle


- (void)viewDidLoad {
    [super viewDidLoad];

    self.title = @"Select Images";
    arrImages = [[NSMutableArray alloc]init];
}

- (IBAction)btnTakePicture_Clicked:(id)sender
{
    UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Select Image from..." delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:@"Camera", @"Image Gallary", nil];
    actionSheet.actionSheetStyle = UIActionSheetStyleBlackTranslucent;
    actionSheet.alpha=0.90;
    actionSheet.tag = 1;
    [actionSheet showInView:self.view];
    [actionSheet release];
    UIButton *btn = (UIButton *)sender;
    intButton = btn.tag;
}

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
    switch (actionSheet.tag)
    {
        case 1:
            switch (buttonIndex)
        {
            case 0:
            {               
#if TARGET_IPHONE_SIMULATOR
               
                UIAlertView* alert = [[UIAlertView alloc] initWithTitle:@"Message" message:@"Camera not available." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
                [alert show];
                [alert release];
               
#elif TARGET_OS_IPHONE   
               
                UIImagePickerController *picker = [[UIImagePickerController alloc] init]; 
                picker.sourceType = UIImagePickerControllerSourceTypeCamera; 
                picker.delegate = self; 
                //picker.allowsEditing = YES; 
                [self presentModalViewController:picker animated:YES];
                [picker release];
               
#endif   
            }
                break;
            case 1:
            {
                UIImagePickerController *picker = [[UIImagePickerController alloc] init]; 
                picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; 
                picker.delegate = self; 
                [self presentModalViewController:picker animated:YES];
                [picker release];
            }
                break;
        }
            break;
           
        default:
            break;
    }   
}

-(void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary*)info
{
    NSData *dataImage = UIImageJPEGRepresentation([info objectForKey:@"UIImagePickerControllerOriginalImage"],1);
    UIImage *img = [[UIImage alloc] initWithData:dataImage];

    if (intButton == 1) {
        [btnImage1 setBackgroundImage:img forState:UIControlStateNormal];
        [btnImage1 setImage:nil forState:UIControlStateNormal];
    }
    else if (intButton == 2) {
        [btnImage2 setBackgroundImage:img forState:UIControlStateNormal];
        [btnImage2 setImage:nil forState:UIControlStateNormal];
    }
    else if (intButton == 3) {
        [btnImage3 setBackgroundImage:img forState:UIControlStateNormal];
        [btnImage3 setImage:nil forState:UIControlStateNormal];
    }
    else {
        [btnImage4 setBackgroundImage:img forState:UIControlStateNormal];
        [btnImage4 setImage:nil forState:UIControlStateNormal];
    }
    [arrImages addObject:dataImage];
    [picker dismissModalViewControllerAnimated:YES];
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
   
    [self.navigationController dismissModalViewControllerAnimated:YES];   
}

- (IBAction)btnPostImages_Clicked:(id)sender {
   
    if ([arrImages count] > 0) {
        NSString *strURL = @"Write Your URL Here.";
        ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURL URLWithString:strURL]];
        [request setDelegate:self];
        [request setPostValue:@"This is sample text..." forKey:@"text"];
        for (int i = 0; i < [arrImages count]; i++) {
            [request addData:[arrImages objectAtIndex:i] withFileName:@"image.jpg" andContentType:@"image/jpeg" forKey:[NSString stringWithFormat:@"image%d", i + 1]];
        }   
        [request startAsynchronous];
    }
    else {
        UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"Message" message:@"Please select images..." delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil];
        [alertView show];
        [alertView release];
    }
}

- (void)requestFinished:(ASIHTTPRequest *)request {
   
    NSString *receivedString = [request responseString];
    UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"Message" message:receivedString delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil];
    [alertView show];
    [alertView release];
}
- (void)requestFailed:(ASIHTTPRequest *)request {
   
    NSString *receivedString = [request responseString];
    UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"Message" message:receivedString delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil];
    [alertView show];
    [alertView release];
}

#pragma mark -
#pragma mark Memory management

- (void)didReceiveMemoryWarning {
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
   
    // Relinquish ownership any cached data, images, etc that aren't in use.
}

- (void)viewDidUnload {
    // Relinquish ownership of anything that can be recreated in viewDidLoad or on demand.
    // For example: self.myOutlet = nil;
}


- (void)dealloc {
    [super dealloc];
}


@end 


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