Function SifraN()
Dim DB As Database
Dim SQL As String
Dim Rs As Recordset
Dim I As String
If IsNull(DLookup("[OrderID]", "[tblProdaja]")) Then
SifraN = DatePart("yyyy", Now()) & "-" & "0001"
GoTo Kraj
End If
Set DB = CurrentDb
SQL = "SELECT Max(Right(OrderID,4)) AS BrojN " & "FROM tblProdaja"
Set Rs = DB.OpenRecordset(SQL)
If Format$(Rs.Fields(0)) <> "" Then
I = Val(Rs.Fields(0))
End If
I = I + 1
SifraN = DatePart("yyyy", Now()) & "-" & Format(I, "0000")
Rs.Close
Set DB = Nothing
Kraj:
End Function