v>
<div class="block"><p>
 Set the zero-relative index of the currently selected row, or -1 to indicate that we are not positioned on a row. It
 is possible to set the row index at a value for which the underlying data collection does not contain any row data.
 Therefore, callers may use the <code>isRowAvailable()</code> method to detect whether row data will be available for
 use by the <code>getRowData()</code> method.
 </p>

 <p>
 If there is no <code>wrappedData</code> available when this method is call