rs1.open "select * from ICZrdEntry where FPeriod=" & dqdatey & " and FNum=" & rs!Fnum & "", cn,adOpenKeyset, adLockPessimistic
                If rs1.RecordCount <> 0 Then
                    rs1.MoveFirst
                    Do Until rs1.EOF
                        If rs2.state <> adStateClosed Then
                            rs2.close
                        End If
                        rs2.CursorLocation = adUseClient
                        rs2.open "select * from ICBal where Fperiod=" & dqdatey & " and FstockID=" & rs!FStockID & " and FitemID='" & rs1!FitemID & "'", cn, adOpenKeyset, adLockPessimistic
                        If rs2.RecordCount <> 0 Then                        
                                rs2.Fields(6) = rs2.Fields(6)- rs1!FQty  
                        '字段属性全是双精度型,运行到这名句时,如果rs2.Fields(6)=1.36,rs1!FQty =1.36,计算结 果应该是0,可数据库里显示的是"-6.66133814775094E-16",百思不得其解,望高手指教!

                        end if
                         rs2.Update
                        rs1.MoveNext
                    Loop
                End If

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