title: creating login page using PHP for iPhone?
body: <p>i am trying to create a login page for iPad by using Mysql through PHP, But it is not logging in even though there is no error in page, please find the code below:</p>
  
  <pre><code>//-(IBAction)homePage: (id)sender{
  
  NSString *post =[NSString stringWithFormat:@"username=%@&amp;password=%@",loginName.text, password.text];
  
  NSString *hostStr = @"http://localhost/iddb.php";
  hostStr = [hostStr stringByAppendingString:post];
  NSData *dataURL =  [NSData dataWithContentsOfURL: [ NSURL URLWithString: hostStr ]];    
  NSString *serverOutput = [[NSString alloc] initWithData:dataURL encoding: NSASCIIStringEncoding];
  if([serverOutput isEqualToString:@"Yes"]){{ 
  
  
      homepage *hvc = [[homepage alloc]initWithNibName: nil bundle: nil];
      hvc.modalTransitionStyle=UIModalTransitionStyleFlipHorizontal;
      [self presentModalViewController:hvc animated: YES];}
  
      UIAlertView *alertsuccess = [[UIAlertView alloc] initWithTitle:@"success" message:@"You are authorized"
                                                            delegate:self cancelButtonTitle:@"No" otherButtonTitles:@"Yes", nil];
      [alertsuccess show];
  
  
  } else {
      UIAlertView *alertsuccess = [[UIAlertView alloc] initWithTitle:@"Fail" message:@"Invalid Access"
                                                            delegate:self cancelButtonTitle:@"No" otherButtonTitles:@"Yes", nil];
      [alertsuccess show];
  
  
  }
  </code></pre>
  
  <p>PHP Code:</p>
  
  <pre><code>&lt;?php
      $username = $_GET['username'];
      $password = $_GET['password'];
      $check = "select username, password from login where username='$username' and password='$password'";
      {
        mysql_connect("localhost", "root","") or die();
        mysql_select_db("dadsdb") or die (mysql_error());
      }
  
      $login = mysql_query($check) or die (mysql_error());
  
      if (mysql_num_rows($login)==1) {
        $row = mysql_fetch_assoc($login);
        echo 'yes';
        exit;
      } else {
        echo 'No';
        exit;
      }
  ?&gt;
  </code></pre>
  
  <p>please can any one suggest me what went wrong</p>