No message in display table

[sarithavs]

I am expecting "Nothing found to display" in my display table when there is no data but ?I am not getting that message .Page is just blankmy code snippet\[code\]<display:table name="dpinforce" export="true" pagesize="20" sort="list" id="data1" requestURI="" class="tablelist"> <display:setProperty name="export.csv" value="http://stackoverflow.com/questions/10893080/false"/> <display:setProperty name="export.xml" value="http://stackoverflow.com/questions/10893080/false"/> <display:setProperty name="export.excel.filename">DPInforce_<%=oAppUtil.getSystemDateTime()%>.xls </display:setProperty> <display:column title="PolId" sortable="true" property="polId"></display:column> <display:column title="Pol Infc DT" sortable="true" property="polINFCDT"></display:column> <display:column title="Aura Stat" sortable="true" property="auraStat"></display:column> <display:column title="Plan" sortable="true" property="plan"></display:column> <display:column title="Branch" sortable="true" property="branch"></display:column> <display:column title="Created On" sortable="true" property="createdOn"></display:column></display:table>\[/code\]