Controller:public with sharing class costsheet { public String OrderId; public Order ord; public Shipper_Info_India__c SII; public costsheet(ApexPages.StandardController controller) { ord= (Order)Controller.getRecord(); system.debug('ORD--'+ord); OrderId=Apexpages.currentpage().getParameters().get('id'); listIex =[Select Id,subtotal__c from Shipper_Info_India__c where Supplier_Order__r.id =:ord.id AND RecordType.Name='Steamer Charges'].subtotal__c ; /*if(SII.Bill_Type__c =='Service Type'){ CHAList =[Select Id,subtotal__c from Shipper_Info_India__c where Supplier_Order__r.id =:ord.id AND RecordType.Name='CHA Charges' ].subtotal__c ; }*/ CFSList =[Select Id,subtotal__c from Shipper_Info_India__c where Supplier_Order__r.id =:ord.id AND RecordType.Name='CFS Charges' ].subtotal__c ; //fetchlist(); Calculation(); } public Decimal CFSList {get;set;} public Decimal CHAList {get;set;} Public Decimal listIex {get;set;}}