read

ONLY WORKS WITH IOS >= 5.0 so see Check IOS Version Tutorial to check this before.

You need to register the nib file to be ready to be reused with:

<pre style="background-image: URL(http://2.bp.blogspot.com/_z5ltvMQPaa8/SjJXr_U2YBI/AAAAAAAAAAM/46OqEP32CJ8/s320/codebg.gif); background: #f0f0f0; border: 1px dashed #CCCCCC; color: black; font-family: arial; font-size: 12px; height: auto; line-height: 20px; overflow: auto; padding: 0px; text-align: left; width: 99%;"> static NSString* CellIdentifier = @"CellIdentifierName";
[tableview registerNib:[UINib nibWithNibName:@"nibfilename" bundle:nil] forCellReuseIdentifier:CellIdentifier]; </pre>
Source
<div>

<h3>Usefull links</h3>Check IOS Version Tutorial </div>