title: click a button in oneviewcontroller will progress the progressbar in anotherview controller
body: <p>In my webview I set the download pop actionsheet while it find the anykind of file format.when i click the download button from the actionsheet then it download my file correctly from the url(using NSURLConnection and corresponding methods).Here i need the download progress is visible in another tableviewcontroller with progressbar.</p>
  
  <pre><code> if ([[[currentURL lastPathComponent]pathExtension]isEqualToString:@"mp3"]||
       [[[currentURL lastPathComponent]pathExtension]isEqualToString:@"pdf"]||
       [[[currentURL lastPathComponent]pathExtension]isEqualToString:@"mp4"]){
       NSLog(@"downloadprogress method");
      NSLog(@"CURRENT URL:::%@",currentURL);
  
      [passArray addObject:currentURL];
       NSLog(@"PassArray::%@",passArray);
      [[self.tabBarController.tabBar.items objectAtIndex:2] setBadgeValue:[NSString stringWithFormat:@"%d",passArray.count]];
  
  
  
  
   }
  </code></pre>
  
  <p>here i add url when i click download button to passArray and pass it to my tableviewcontroller.But that is not working.</p>
  
  <p>Detail Explaination:</p>
  
  <hr>
  
  <ol>
  <li>I have tabbar with webviewcontroller and tableviewcontroller</li>
  <li>in my webview i enter some pdf file url then it pop download</li>
  <li>When i click my download button then the url of that pdf will downloding in tableviewcontroller even am in webviewcontroller</li>
  <li>if i switch to tableviewcontroller then it display the proggressbar with download progress and corresponding percentage.</li>
  </ol>
  
  <p>Here i done the first 2 steps.How can i do the 3 and 4?
  Please help me......</p>