>In my grid class I allow users to sort on up to 3 columns by clicking in the headers. I convert all the fields to characters in order to string them together. For example, the code might look something like:
>INDEX ON CharField1+STR(NumField2) TAG temp
>The problem is that if the numeric field contains negative numbers, they don't sort properly by value. How can I get the numbers to sort correctly and yet index on multiple fields?
>
>Thanks,
>Elyse

Have you tried use INDEX ON CharField1+STR(ABS(NumField2)) TAG temp to give you an unsigned number for the index?