div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../javax/faces/model/DataModel.html#setRowIndex-int-">DataModel</a></code></span></div>
<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()</co