>Thanks for the quick reply!
>
>I actually want to leave the textbox stationary in the corner, i having the problem of calculating the total for the column values.
>
>I've tried setting the textboxes value to =sum(payments.amount) but this doesn't seem to work. I must be missing something simple...

Well, you don't have the kind of formulae you have in Excel. Some of your options for the actual calculation include:

calculate sum(payments.amount) to SomeVariable

or:

sum amount to SomeVariable

or:

select sum(amount) as amount from Payments into cursor Temp

... and then use the column Temp.Amount.

Another question is when this calculation should be triggered. This might be once on form startup (Form.Init()), or every time the user changes a value in the grid - the events in the latter case might be Valid() for each TextBox within the Columns, or Grid.AfterRowColChange(). The latter is simpler, but it will do the calculation even if no changes have been made.