'取单号函数
Private Function GetBillNo() As String
Dim strArea As String
Dim strDate As String
Dim strNo As String
Dim strSeqNo As String
strArea = Nz(区域) '字头
strDate = Format(Nz(日期), "YYYYMMDD")
strSeqNo = Format(Val(Right(Nz(DMax("单号", "销售表", "单号 like '" & strArea & strDate & "*'"), 0), 3)) + 1, "000")
strNo = strArea & strDate & strSeqNo
单号 = strNo
End Function
'取金额函数
Private Function GetAmt() As String
金额 = Nz(数量) * Nz(单价)
End Function