Hi Joro,
>
>I want to know if VFP6.0 have some command or funtion that put all key fields like that,
>
>Value Field = 1 = 00001
>Value Field = 2 = 00002
>
>Othervise i can get the Index like that
>
>1
>100
>1000
>2
>20
>3
>30
>300.... What is wrong.
>

This example shows us that you're using character expression for this field.
If the real data will be always numeric, as you show, you should use either numeric, or, much better, Integer data type and you will not have your problem.

If you're sure, for some reaosn you need Character data type for this field, you can use val(Field1) in your Index expression. It would work only if all data in the table in Numeric format:
1
15
2
25
3
40

Another solution, use PADL(field1, fsize(field1),'0') - this should work.
Instead of len(field1) use the real field size, like 5, for example.

HTH