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Kishore Vamsi 6Kishore Vamsi 6 

I want to display prior value if latest values is null

I don't want to display desciption as blank, If it is blank I need to display prior value. Can I display old value if new value is blank in Output panel

<apex:outputPanel rendered="{!IF(ISBLANK(Case.Account__r.Description),false,true)}">
                            <a id="accName" title="Account" href="/{!Case.Account__c}" target="_blank" class="link con-subtab-link-a">{!Case.Account__r.Description}</a>
                        </apex:outputPanel>