iOS - ล็อกอินแล้วโชว์ข้อมูล ใน TableView แต่ว่าไม่ขึ้นอะไรเลย ช่วยดูโค้ดให้หน่อยค่ะว่าผิดตรงไหน

//
//  logindetailViewController.m
//  Loginapp
//
//  Created by Nakornjinda on 3/19/2557 BE.
//  Copyright (c) 2557 Nakornjinda. All rights reserved.
//

#import "logindetailViewController.h"
#import "loginViewController.h"

@interface logindetailViewController ()
{
    NSMutableArray*myObject;
    NSMutableArray *displayObject;
    

    // A Dictionary object
    NSDictionary*dict;
    //Define keys
    NSString*lblStudentID;
    NSString*lblIdname;
    NSString*lblNamebook;
    NSString*lblLNameT;
    NSString*lblFNameT;
    
    
    UIAlertView *loading;
    
}



@end

@implementation logindetailViewController
@synthesize receivedData;




- (void)viewDidLoad
{
    [super viewDidLoad];
    //Define Keys
    lblStudentID=@"StudentID";
    lblIdname=@"Idname";
    lblNamebook=@"Namebook";
    lblLNameT=@"LNameT";
    lblFNameT=@"FNameT";
    
   // Create array to hold dictionaries
    myObject = [[NSMutableArray alloc] init];
    
    //Keyword=abc
    NSMutableString *post = [NSString stringWithFormat:@"sStudentID =%@",[ self.sStudentID description]];
   
    NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
    NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
    
    NSURL *url = [NSURL URLWithString:@"http://localhost:8888/app/getUserByMemberID.php"];
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url
                                                           cachePolicy:NSURLRequestReloadIgnoringLocalCacheData
                                                       timeoutInterval:10.0];
    [request setHTTPMethod:@"POST"];
    [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
    [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
	[request setHTTPBody:postData];
    NSLog(@"lg info post is = %@",post);
    NSLog(@"lg info postData is = %@",postData);
    NSLog(@"lg info postLength is = %@",postLength);
    NSLog(@"lg info url is = %@",url);
    NSLog(@"lg info request is = %@",request);
    
    NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:request delegate:self];
  
    NSLog(@"Connection = %@",theConnection);

    // Show Progress Loading...
    [UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
    
    loading = [[UIAlertView alloc] initWithTitle:@"" message:@"Please Wait..." delegate:nil cancelButtonTitle:nil otherButtonTitles:nil];
    UIActivityIndicatorView *progress= [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(125, 50, 30, 30)];
    progress.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhiteLarge;
    [loading addSubview:progress];
    [progress startAnimating];
    [progress release];
    [loading show];
    NSLog(@"progress = %@",progress);

    if (theConnection) {
        self.receivedData = [[NSMutableData data] retain];
    } else {
		UIAlertView *connectFailMessage = [[UIAlertView alloc] initWithTitle:@"NSURLConnection " message:@"Failed in viewDidLoad"  delegate: self cancelButtonTitle:@"Ok" otherButtonTitles: nil];
		[connectFailMessage show];
		[connectFailMessage release];
    }
    
    [myTable reloadData];

}

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
    [receivedData setLength:0];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
    [receivedData appendData:data];
}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
    
    [connection release];
    [receivedData release];
    
    // inform the user
    UIAlertView *didFailWithErrorMessage = [[UIAlertView alloc] initWithTitle: @"NSURLConnection " message: @"didFailWithError"  delegate: self cancelButtonTitle: @"Ok" otherButtonTitles: nil];
    [didFailWithErrorMessage show];
    [didFailWithErrorMessage release];
	
    //inform the user
    NSLog(@"Connection failed! Error - %@", [error localizedDescription]);
    
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
    if(receivedData)
    {
        //NSLog(@"%@",receivedData);
        //NSString *dataString = [[NSString alloc] initWithData:receivedData encoding:NSASCIIStringEncoding];
        //NSLog(@"%@",dataString);
        
        id jsonObjects = [NSJSONSerialization JSONObjectWithData:receivedData options:NSJSONReadingMutableContainers error:nil];
        
        // values in foreach loop
        for (NSDictionary *dataDict in jsonObjects) {
            NSString *strStudentID = [dataDict objectForKey:@"StudentID"];
            NSString *strIdName = [dataDict objectForKey:@"IdName"];
            NSString *strNamebook = [dataDict objectForKey:@"Namebook"];
            NSString *strLNameT = [dataDict objectForKey:@"LNameT"];
            NSString *strFNameT = [dataDict objectForKey:@"FNameT"];
            NSLog(@"StudentID = %@",strStudentID);
            NSLog(@"Idname = %@",strIdName);
            NSLog(@"Namebook = %@",strNamebook);
            NSLog(@"FNameT = %@",strFNameT);
            NSLog(@"LNameT = %@",strLNameT);
            
            dict = [NSDictionary dictionaryWithObjectsAndKeys:
                    strStudentID, lblStudentID,
                    strIdName, lblIdname,
                    strNamebook, lblNamebook,
                    strLNameT, lblLNameT,
                    strFNameT, lblFNameT,

                    nil];
            [myObject addObject:dict];
        }
        
        [myTable reloadData];
    }
     displayObject =[[NSMutableArray alloc] initWithArray:myObject];
    
    // release the connection, and the data object
    [connection release];
    [receivedData release];
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return displayObject.count;
}



- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    
    static NSString *CellIdentifier = @"Cell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        // Use the default cell style.
        cell = [[UITableViewCell alloc] initWithStyle : UITableViewCellStyleSubtitle
                                      reuseIdentifier : CellIdentifier];
    }
    
    
    NSDictionary *tmpDict = [displayObject objectAtIndex:indexPath.row];
    
    NSString *cellValue;
    cellValue = [tmpDict objectForKey:lblStudentID];
    NSString* detailbook;
    detailbook = [NSString stringWithFormat:@"รหัส%@ , ผู้แต่ง %@,  สถานะ  %@ "
                  ,[tmpDict objectForKey:lblFNameT]
                  ,[tmpDict objectForKey:lblLNameT]
                  ,[tmpDict objectForKey:lblNamebook]];
    
    cell.textLabel.text = cellValue;
    cell.detailTextLabel.text= detailbook;
    cell.accessoryType=UITableViewCellAccessoryDisclosureIndicator;
    
    return cell;
    

}



- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)dealloc {
    [myTable release];
    [super dealloc];
}
@end