Add a new record from subform?

[HotFrost]

hi anyone,

have a question.
I have a form. The form has a subform. The Subform has a subform.

Form - Subform - SubSubform.

Question1:
How to add a new record to subform from subsubform?

Question2:

I have an ennoying #Error display for some field, when its value not calculated yet..how to avoid displaying it?

Thanks for any suggestions,

HotFrost.

 

[mohammadagul]

For question no 1
Are u using a Tabular / continuous form or columnar form

for question no 2
if you are using a text or number Fieldtype make its default value as 0
and then try to calculate its value. i believe it willnot give you error message.