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Old 06-26-2010, 05:09 AM   #1
Join Date: Apr 2006
Posts: 290
Default update tax calculation on form textbox

Hi if I have a field called price in a database and it is the price to pay but you don't want to calculate the gross minus the tax first as the gross is the price you have been given, how can you calculate the price field.
Say you have the gross field you enter 900.00 and you want the price to automatically divide the 900.00 by 11 so that the cart can calculate adding the tax of 10% properly.

thanks not sure how to get it to automatically update.
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