                      <f:facet name="header" >
                            <p:outputLabel value="Appoinment Date" />
                        </f:facet>
                        <p:outputLabel value="#{b.singleBillSession.sessionDate}" >
                            <f:convertDateTime  timeZone="Asia/Colombo" pattern="dd-MM-yyyy" ></f:convertDateTime>
                        </p:outputLabel>
                    </p:column>
                    <p:column>
                        <f:facet name="header" >
        