let dotransaction(filename:string,accountNumber:int,currentBalance:string) =
             let transactions = loadfile filename
             let balancearr = currentBalance.Split('.')
                     let kr = System.Int32.Parse(balancearr.[0])
                         let cent = System.Int32.Parse(balancearr.[1])
                         let myAcc = new MyAccount(accountNr = accountNumber, accountCent = cent, accountKr = kr)
                         for itr in transactions do
                             match itr.AccountNr with
                   //här är problemet. accountNumber och itr.AccountNumber matchas alltid oavsett vad
                   // itr.accountnr eller accountnumber är.
                             | accountNumber -> myAcc.ChangeBalance(itr.amountOfKr,itr.amountofCent)
                             | _ -> printfn "%s" "Do not match"
                          let result = myAcc.accountKr.ToString()+"."+myAcc.accountCent.ToString()
                          result