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copied!<p>There are several problems.</p> <ol> <li><p><code>self.searchDisplayController</code> is <code>nil</code> because you haven't set that outlet in the Storyboard. Ctrl-drag from "Books Table View Controller" to "Search Display Controller" and select the "searchDisplayController" outlet.</p></li> <li><p>Your <code>filterContentForSearchText</code> method checks the value of <code>scope</code>, but that is <code>nil</code> because you have not defined any scopes in the seach bar.</p></li> <li><p><code>numberOfSectionsInTableView</code> should return <code>1</code> for the search results table view.</p></li> </ol> <p>If you fix these issues, you should be able to see some search results.</p> <p><strong>REMARK:</strong> This line</p> <pre><code>UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath]; </code></pre> <p>seems suspicious to me. You ask <code>self.tableView</code> to dequeue a cell even for the search results table view. I have seen this somewhere on SO as a method to use prototype cells with a search display, and it may be correct, but I have a small doubt.</p> <p><em>If it is correct</em>, then you don't need the following <code>if (nil == cell) { ... }</code>, because that method always returns a cell from the prototype.</p> <p>You should also note that inside the <code>if (nil == cell) { ... }</code> block you assign the value to a local variable <code>cell</code> instead of the variable from the outer scope. </p>

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