iOS ทำไมเวลา Search ข้อมูลเเสดงบน TableView ถึงไม่มีเครื่องหมายเพื่อลิ้งค์ไปหน้า Detail view

//
//  CatalotTableViewController.m
//  AddaShoeApp
//
//  Created by Admin on 10/17/2557 BE.
//  Copyright (c) 2557 Admin. All rights reserved.
//

#import "CatalotTableViewController.h"
#import "DetailCatalogViewController.h"

@interface CatalotTableViewController ()
{
    NSMutableArray *filtered;
    NSMutableArray *myObject;
    NSDictionary *dict;
    
    NSString *prodcode;
    NSString *images;
}

@end

@implementation CatalotTableViewController
@synthesize tbv;
@synthesize searchBar;

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    prodcode = @"Prodcode";
    images = @"Images";
    
    myObject = [[NSMutableArray alloc]init];
    
    NSData *jsonData = [NSData dataWithContentsOfURL:
                        [NSURL URLWithString:@"http://10.32.1.151:81/sample_shoe/GetData.php"]];
    
    id jsonObjects = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers error:nil];
    
    //values in foreach loop
    for (NSDictionary *dataDict in jsonObjects)
    {
        NSString *strProdCode = [dataDict objectForKey:@"prodcode"];
        NSString *strImages = [dataDict objectForKey:@"images"];
        
        dict = [NSDictionary dictionaryWithObjectsAndKeys:
                strProdCode,prodcode,
                strImages,images,
                nil];
        
        [myObject addObject:dict];
        
    }
    
    filtered = [[NSMutableArray alloc]initWithArray:myObject];
}

- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText
{
    [filtered removeAllObjects]; //ให้ทำการลบข้อมูลทั้งหมดออกก่อน
    if (searchText.length == 0)  
    {
        [filtered addObjectsFromArray:myObject];
    }
    else
    {
       
        for (NSDictionary *tmpDict in myObject)
        {
            NSString *val = [tmpDict objectForKey:prodcode];
            
            NSRange r = [val rangeOfString:searchText options:NSCaseInsensitiveSearch];
            if (r.location != NSNotFound)
            {
              [filtered addObject:tmpDict];
            }
            
        }
        
    }
    
    [tbv reloadData]; //โหลด Data ใหม่ให้เป็นปัจจุบัน
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    if (tableView == self.tbv)
    {
        return  myObject.count;
    }
    else{
        return  filtered.count;
    }
    
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    
    if (cell == nil)
    {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    }
    
    NSDictionary *tmpDict;
    if (tableView == self.tbv)
    {
       tmpDict = [myObject objectAtIndex:indexPath.row];
    }
    else
    {
       tmpDict = [filtered objectAtIndex:indexPath.row];
    }
    
    NSURL *url = [NSURL URLWithString:[tmpDict objectForKey:images]];
    NSData *data = [NSData dataWithContentsOfURL:url];
    UIImage *img = [[UIImage alloc]initWithData:data];
    
    cell.imageView.image = img;
    cell.textLabel.text = [tmpDict objectForKey:prodcode];

    return cell;
    
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [searchBar resignFirstResponder];
}


- (void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
   if ([[segue identifier] isEqualToString:@"mnuSelect"])
   {
     
       NSIndexPath *indexPath = [self.tbv indexPathForSelectedRow];
       
       NSDictionary *tmpDict = [myObject objectAtIndex:indexPath.row];
       
       [[segue destinationViewController] setImageItem:[tmpDict objectForKey:images]];
       [[segue destinationViewController] setModelItem:[tmpDict objectForKey:prodcode]];
       
   }
}


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

@end