iOS/iPhone Search Data from Web Server (URL,Website)

CREATE TABLE `member` (
  `MemberID` int(11) NOT NULL auto_increment,
  `Name` varchar(50) NOT NULL,
  `Tel` varchar(50) NOT NULL,
  PRIMARY KEY  (`MemberID`)
) ENGINE=MyISAM  AUTO_INCREMENT=4 ;

-- 
-- Dumping data for table `member`
-- 

INSERT INTO `member` VALUES (1, 'Weerachai', '0819876107');
INSERT INTO `member` VALUES (2, 'Win', '021978032');
INSERT INTO `member` VALUES (3, 'Eak', '0876543210');

<?php
	$strKeyword = $_POST["keyword"];

	$objConnect = mysql_connect("localhost","root","root");
	$objDB = mysql_select_db("mydatabase");
	$strSQL = "SELECT * FROM member WHERE Name LIKE '%".$strKeyword."%' ";
	$objQuery = mysql_query($strSQL);
	$intNumField = mysql_num_fields($objQuery);
	$resultArray = array();
	while($obResult = mysql_fetch_array($objQuery))
	{
		$arrCol = array();
		for($i=0;$i<$intNumField;$i++)
		{
			$arrCol[mysql_field_name($objQuery,$i)] = $obResult[$i];
		}
		array_push($resultArray,$arrCol);
	}
	
	mysql_close($objConnect);
	
	echo json_encode($resultArray);
?>

//
//  ViewController.h
//  searchDataFromServer
//
//  Created by Weerachai on 12/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController <UITableViewDataSource,UITableViewDelegate>
{
    IBOutlet UITextField *txtKeyword;
    
    IBOutlet UITableView *myTable;
}

- (IBAction)btnSearch:(id)sender;

@property(nonatomic,assign) NSMutableData *receivedData;

@end

//
//  ViewController.m
//  searchDataFromServer
//
//  Created by Weerachai on 12/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
{
    NSMutableArray *myObject;
    
    // A dictionary object
    NSDictionary *dict;
    
    // Define keys
    NSString *memberid;
    NSString *name;
    NSString *tel;
    
    UIAlertView *loading;
}


@end

@implementation ViewController

@synthesize receivedData;

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    // Define keys
    memberid = @"MemberID";
    name = @"Name";
    tel = @"Tel";
    
    // Create array to hold dictionaries
    myObject = [[NSMutableArray alloc] init];
    
}

- (IBAction)btnSearch:(id)sender {
    
    //Keyword=abc
    NSMutableString *post = [NSString stringWithFormat:@"keyword=%@",[txtKeyword text]];
    NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
    NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
    
    NSURL *url = [NSURL URLWithString:@"https://www.thaicreate.com/url/searchData.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];
    
    NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:request delegate:self];
    
    // 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];
    
    if (theConnection) {
        self.receivedData = nil;
    } 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 = [[NSMutableData alloc] init];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
    sleep(2);
    [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
{
    // Hide Progress
    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
    [loading dismissWithClickedButtonIndex:0 animated:YES];
    
    // Clear Object
    [myObject removeAllObjects];
    
    if(receivedData)
    {
        //NSLog(@"%@",receivedData);
        //NSString *dataString = [[NSString alloc] initWithData:receivedData encoding:NSASCIIStringEncoding];
        //NSLog(@" abc = %@",dataString);
        
        id jsonObjects = [NSJSONSerialization JSONObjectWithData:receivedData options:NSJSONReadingMutableContainers error:nil];
        
        // values in foreach loop
        for (NSDictionary *dataDict in jsonObjects) {
            NSString *strMemberID = [dataDict objectForKey:@"MemberID"];
            NSString *strName = [dataDict objectForKey:@"Name"];
            NSString *strTel = [dataDict objectForKey:@"Tel"];
            
            dict = [NSDictionary dictionaryWithObjectsAndKeys:
                    strMemberID, memberid,
                    strName, name,
                    strTel, tel,
                    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
{
    
    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];
    }
    
    int nbCount = [myObject count];
    if (nbCount ==0)
        cell.textLabel.text = @"";
    else
    {
        NSDictionary *tmpDict = [myObject objectAtIndex:indexPath.row];
        
        // MemberID
        NSMutableString *text;
        text = [NSString stringWithFormat:@"MemberID : %@",[tmpDict objectForKey:memberid]];
        
        // Name & Tel
        NSMutableString *detail;
        detail = [NSString stringWithFormat:@"Name : %@ , Tel : %@"
                  ,[tmpDict objectForKey:name]
                  ,[tmpDict objectForKey:tel]];
        
        cell.textLabel.text = text;
        cell.detailTextLabel.text= detail;
        
        //[tmpDict objectForKey:memberid]
        //[tmpDict objectForKey:name]
        //[tmpDict objectForKey:tel]
    }
    return cell;
}

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

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

@end