Salesforce QuickBooks Integration with Multiple QuickBooks File

select {!.} from Account where AVSFQB_Quickbooks_Id__c=' ' and QuickBooks__c='QuickBooks1'


           AVSFQB_Quickbooks_id__c = "QuickBooks1"+LSPLIT(VALUE("ListID"),"-")

             Id=select id, name from account where QuickBooks__c='QuickBooks1'


             AVSFQB_Quickbooks_id__c = "QuickBooks1"+LSPLIT(VALUE("ListID"),"-")

             AVSFQB_Quickbooks_id__c = "QuickBooks1"+LSPLIT(VALUE("ListID"),"-")

             AVSFQB_Quickbooks_id__c = "QuickBooks1"+LSPLIT(VALUE("ListID"),"-")

select {!.} from Account where  AVSFQB_Quickbooks_Id__c='' and QuickBooks__c='QuickBooks2'


             Id=select id, name from account where QuickBooks__c='QuickBooks2'


AVSFQB_Quickbooks_id__c ="QuickBooks2"+LSPLIT(VALUE("ListID"),"-")

             AVSFQB_Quickbooks_id__c ="QuickBooks2"+LSPLIT(VALUE("ListID"),"-")