title: Datatable searching is not working
body: <p>I am using Datatable in my project for robust searching and many more
  advantages of datatable but when i need a value of search box the searching of datatable is not working. Actually i need searching as well as value of search box for deleting the data but when i apply a code of getting the value of search box the searching is not working in datable.</p>
  
  <p>Below is my code.</p>
  
  <pre><code>&lt;html&gt;
      &lt;title&gt;Example 1 - apply dataTable()&lt;/title&gt;
  
        &lt;link rel="stylesheet" type="text/css" href="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/css/jquery.dataTables.css"&gt;
        &lt;link rel="stylesheet" type="text/css" href="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/css/jquery.dataTables_themeroller.css"&gt;
  
  
          &lt;script type="text/javascript" charset="utf8" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.1.min.js"&gt;&lt;/script&gt;
          &lt;script type="text/javascript" charset="utf8" src="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/jquery.dataTables.min.js"&gt;&lt;/script&gt;
  
  
    &lt;/head&gt;
  
      &lt;body&gt;
          &lt;div class="container"&gt;
  
  &lt;table cellpadding="0" cellspacing="0" border="0" class="dataTable" id="example"&gt;
      &lt;thead&gt;
          &lt;tr&gt;
              &lt;th&gt;id&lt;/th&gt;
              &lt;th&gt;name&lt;/th&gt;
  
          &lt;/tr&gt;
      &lt;/thead&gt;
      &lt;tbody&gt;
          &lt;tr&gt;
              &lt;td&gt;21&lt;/td&gt;
              &lt;td&gt;varun&lt;/td&gt;
  
          &lt;/tr&gt;
          &lt;tr&gt;
               &lt;td&gt;22&lt;/td&gt;
              &lt;td&gt;nitin&lt;/td&gt;
          &lt;/tr&gt;
  
      &lt;/tbody&gt;
  &lt;/table&gt;
  
          &lt;/div&gt;
      &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>Script code:</p>
  
  <pre><code>&lt;script&gt;
      $('#example').dataTable({"sPaginationType": "full_numbers"});
  var table = $('#example').DataTable();
  
  //getting the value of search box
  $('.dataTables_filter input').unbind().keyup(function(e) {
      var value = $(this).val();
      if (value.length&gt;3) {
          alert(value);
          table.search(value).draw();
      } else {     
          //optional, reset the search if the phrase 
          //is less then 3 characters long
          table.search('').draw();
      }        
  });
  
   &lt;/script&gt;
  </code></pre>
  
  <p>Please Help me,
  Thanks in Advance</p>