title: Datatable rows come selected as default
body: <p>I have a datatable:</p>
  
  <pre><code>&lt;p:dataTable style="width: 100%;" id="dTable" var="tt" value="#{backingBean.memberList}" paginator="true" rows="20" selection="#{backingBean.selectedMember}" selectionMode="single" onRowSelectUpdate="mf:tabcontent" onRowSelectComplete="tvl();"&gt;
  </code></pre>
  
  <p>whose rows come selected when the page loads. Does anyone have any opinion about this issue?
  primefaces version is 2.2.1.</p>
  
  <p>Thanks in advance.</p>