Datatables functionality

Getting selected data from outside a datatable

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="//cdn.datatables.net/1.10.7/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="//cdn.datatables.net/1.10.7/css/jquery.dataTables.css">
<input type="text" id="txtIn" placeholder="Enter ID"/><button id="filterButton" class="btn btn-primary">Search</button>
<table id="example" class="table">
    <thead>
        <tr>
            <th>ID</th>
            <th>Name</th>
            <th>Position</th>
            <th>Office</th>
            <th>Age</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>tig001</td>
            <td>Tiger Nixon</td>
            <td>System Architect</td>
            <td>Edinburgh</td>
            <td>61</td>
        </tr>
        <tr>
            <td>gar001</td>
            <td>Garrett Winters</td>
            <td>Accountant</td>
            <td>Tokyo</td>
            <td>63</td>
        </tr>
        <tr>
            <td>ash001</td>
            <td>Ashton Cox</td>
            <td>Technical Author, Junior</td>
            <td>San Francisco</td>
            <td>66</td>
        </tr>
    </tbody>
</table>

CSS

.btn {
    margin: 20px;
}

JavaScript

$(function () {
    var dataTable = $('#example').DataTable({
        searching: true,
    });
    $('#filterButton').on('click', function () {
        var searchCode = $("#txtIn").val();
        var dataTable = $('#example').DataTable();
 				var names = dataTable.rows( function (idx, data, node) {
					return data[0] == searchCode ? true : false;
				});
        if (names.data().length == 1) {
        	// have a match, want to get the position
          // I can get the entire row:
          alert("Matched row info: "+names.data()[0]);
          // but I don't know how to get just the position (column 2) for this matched row.
          // I thought the below would work, but it's not just looking at the matched row.
          alert(searchCode+" position should be "+names.data().column(2).data()[0]);
          // above line always gives column 2 row 0 information, regardless of match.
          // so if you entered tig001, the alert above says "Technical Author, Junior"
        } else {
        	// no match for ID
          alert("No match: "+searchCode+" was not an ID in the table.");
        }
    });
});