>>The problem is, unless you bind a column (i.e. give it a controlsource), you're not going to be able to show different values for each row in the grid. But I'm wondering--does your grid ever show info entered previously? If so, how do you get the start and end quantities if you don't save them?
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>It originally did but with customer requested changes, I wasn't going to have that anymore. I just wanted to
>enter 10 and 3 and store the 7 sold.

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I know you said you already have a lot of temporary tables, and don't want to create another one, but that's the only way you'll get this to work.