iOS - รับค่ามาเป็น NSMutableString แต่ต้องการดึงข้อมูลใส่TableView

NSMutableString *post = [NSString stringWithFormat:@"sStudentID=%@",[self.sStudentID description]];

//
//  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;
    // A Dictionary object
    NSDictionary*dict;
    //Define keys
    NSString*StudentID;
    NSString*Idname;
    NSString*Namebook;
    NSString*LNameT;
    NSString*FNameT;
    
}



@end

@implementation logindetailViewController
@synthesize receivedData;


- (void)viewDidLoad
{
    [super viewDidLoad];
    //Define Keys
    StudentID=@"StudentID";
    Idname=@"Idname";
    Namebook=@"Namebook";
    LNameT=@"LNameT";
    FNameT=@"FNameT";
    
    [super viewDidLoad];
    //sMemberID=1
    NSMutableString *post = [NSString stringWithFormat:@"sStudentID=%@",[self.sStudentID description]];
    // Create array to hold dictionaries
    myObject = [[NSMutableArray alloc] init];
    
    NSURLRequest *theRequest =
    [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://localhost:8888/app/getUser.php"]
                     cachePolicy:NSURLRequestReloadIgnoringLocalCacheData
                 timeoutInterval:10.0];
    
    NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self];
    
    
    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];
    }
    
}

- (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"];
            
            dict = [NSDictionary dictionaryWithObjectsAndKeys:
                    strStudentID, StudentID,
                    strIdName, Idname,
                    strNamebook, Namebook,
                    strLNameT, LNameT,
                    strFNameT, FNameT,

                    nil];
            [myObject addObject:dict];
        }
        
        [myTable reloadData];
    }
    
    
    // release the connection, and the data object
    [connection release];
    [receivedData release];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    
    int nbCount = [myObject count];
    if (nbCount == 0)
        return 1;
    else
        return [myObject count];
    
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    
    int nbCount = [myObject count];
    
    static NSString *CellIdentifier = @"Cell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        // Use the default cell style.
        cell = [[[UITableViewCell alloc] initWithStyle : UITableViewCellStyleSubtitle
                                       reuseIdentifier : CellIdentifier] autorelease];
    }
    
    if (nbCount ==0)
        cell.textLabel.text = @"Loading Data";
    else
    {
        NSDictionary *tmpDict = [myObject objectAtIndex:indexPath.row];
        
        NSURL *url = [NSURL URLWithString:[tmpDict objectForKey:StudentID]];

        
        cell.textLabel.text = [tmpDict objectForKey:Namebook];
        cell.detailTextLabel.text= [tmpDict objectForKey:FNameT];
    }
    
    //[tmpDict objectForKey:galleryid]
    //[tmpDict objectForKey:name]
    //[tmpDict objectForKey:titlename]
    //[tmpDict objectForKey:thumbnail]
    
    return cell;
}



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

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