this is costvalue methos but compile time show error undefine cost value
please tell me solution
display SalesName costvalue(arg)
{
CustInvoicejour ct;
select * from ct
where ct.AccountNum == custInvoiceJour_1.OrderAccount;
return ct.Name;
}
This is Another Method Opning Blance same error in this methods
display AmountMST openingBalances()
{
return openingBalances;
}