primefaces Datatable filter is not working

问题

After doing two days resarch on this issue i ve decided to seek some help from you guys. Filter of datatable is not working. I ll be grateful. My code for datatable is

      <p:dataTable widgetVar="#{ctrbean.list}"   
         id="hhh" editMode="row" disabledSelection="true" rowKey="#{p.ID}" 
         scrollable="true" value="#{ctrbean.list}" var="p" 
         style="width: 800px ; position: absolute; top:150px ; left:250px"
         filteredValue="#{ctrbean.list}">

    <p:column   id="r" headerText="ID" 
    filterBy="#{p.ID}" filterMatchMode="contains" >
    <h:outputText value="#{p.ID}" />
    </p:column> ....and other coloumns
    </p:datatable>

来源：https://stackoverflow.com/questions/32166118/primefaces-datatable-filter-is-not-working