[Vishant]

Yes I had done the same step that you had done in your  latest attached document. There might be some issues with process builder thts y i m doing it with triggers but encountering the same probz

 

[Vishant]

Still not working i had done the same thing and the error is

 
Workflow Action Failed to Trigger Flow
The record couldn’t be saved because it failed to trigger a flow. A flow trigger failed to execute the flow with version ID 3016F000000QT26. Flow error messages: <b>An unhandled fault has occurred in this flow</b><br>An unhandled fault has occurred while processing the flow. Please contact your system administrator for more information. Contact your administrator for help.

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Can u do it with the trigger

[Vishant]

Yes thats the scenario ...i tried it with Process builder but there was an error of flow...i encountered same error from the trigger

[Vishant]

Hi Mohit ,

I am attaching a trigger to count no. of contacts on account (Roll up-action-count)

 

 

Trigger countContacts on Contact (after insert){

Set<Id> accIdset = new Set<Id>();
List<Account> accList = new List<Account>();
List<AggregateResult> arList = new List<AggregateResult>();
Map<String,Double> acmap = new Map<String,Double>();
//Added Account Id in Set
for (Contact con: Trigger.new){

accIdset.add(con.accountId);
}
// Query Contact Created
if(accIdset.size()>0){
arList = [select AccountId aid,Count(Id) i from Contact where AccountId IN :accIdset group by AccountId];
}

for(AggregateResult q : arList){
acmap.put((String)q.get('aid'),(Double)q.get('i'));
}

for (Account acc:[Select Id,Total_Count__c From Account Where Id in: accIdset]){

acc.Total_Count__c = acmap.get(acc.Id);
accList.add(acc);
}
update accList;
}

[Vishant]

Actually i have to deal with all three of them(Account,contact,opportunity) on the same VF page and after selection particular records i want them to get displayed on a new page block