hi,
I am a Force.com developer, trying to implement google chart in
visualforce page.
i want to display a error message when the query returns 0 records, i
am using apex:
PageMessage tag in page and ApexPages.addmessage(new
ApexPages.message(ApexPages.severity.ERROR,'You do not have any
Accounts')); in the class.
Class code:
List<AggregateResult> List= new List<AggregateResult>();
List=[Select
Account.Id,Account.Name,SUM(Lead_Score_Implicit__c) from Contact where
Account.Id In: AccountIdSet and Account.OwnerId =:userId group By
Account.Name,Account.Id order by SUM(Lead_Score_Implicit__c) desc
limit 10 ];
if(List.size()== 0 ){
ApexPages.addmessage(new
ApexPages.message(ApexPages.severity.ERROR,'You do not have any
Accounts'));
return null;
}
Page Code:
<apex:page controller="GoogleChartsController1" showHeader="false"
sidebar="false">
<apex:pageMessage severity="ERROR"/>
</apex:page>
Quick response is Appreciated.
Thanks,
Megha
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