Sum on multi block record for only displayed records

Dear all,

I've been invited below question on interview session and I really do not come upwards with a logic to accomplish.

In a multi record block, not the displayed items property has the value 10. In this block, an element is placed named current_rate (Number data type).

While the form is running, it will display 10 records, and I need to display the sum of the current_rate for these 10 records. When I scroll to display multiple records, this amount must also be changed based on the record number of display. Is it possible to make forms to operate this way?

Please advice.

Thank you and best regards,

The roots.

Another way - create element (e.g. "sum") in a block of control (for example, "cb") and write this:

-Prior REQUEST for the block of data (for example "E1")

: cb.sum: = 0;

-After REQUEST for the block of data (for example "E1")

: cb.sum: =: cb.sum +: emp1.salary;

Query the property size array in a data block (specifies the maximum number of records Form Builder to retrieve from the database at the same time)

must be 0 (default = the number of records can display the block, as indicated by the property of block number of records displayed).

Concerning

Tags: Oracle Development

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