The first step is to have the Subtotal or Total field value in the Order Form. Normally this would be a currency field or decimal field if you need to consider 1 or more decimals into your calculations. If not you can also set it the field as a Numeric value field. Our example uses a currency field.

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To build a robust Order form in Zoho Creator you need to be able to automatically "fetch" the information about a product and let the system pre-populates the subform with pre-existing data in the Products Table.

First, you need to have a Products form with all the relevant information abou...