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Arvind010Arvind010 

How to show entered values in edit mode without query?

For a visual force page, i am using standard controller(Parent object) with multiple extension classes(for child objects). When i click save button in the page, i will be navigating to the same page along with parent object id. How can i show the values of child objects in edit mode without having a query in method? I tried with the following code where OrderLineItem is from Parent object(OrderLineItem).
public CW_EXT_CircuitDetails(ApexPages.StandardController controller){
        try{                        
            OrderLineItem=(Order_Line_Item__c)controller.getRecord();            
        }
        catch(Exception e){}        
    }  
 
public void sortCircuitDetails(){           
        for(Circuit_Details__c CirDet:OrderLineItem.Circuit_Detailss__r){
            CircuitDetailList.add(CirDet);
        }    
    } 
 
If I try to use sortCircuitDetails method to get the inserted records, i am getting error message saying "SObject row was retrieved via SOQL without querying the requested field: Order_Line_Item__c.Circuit_Detailss__r".
 
Can anyone please suggest to show the entered records in edit mode without querying in the method.