How can I refresh value in AET table

Hi All,

  I am just new in CRM development, so I need some suggest from you about BOL programming.

  I have create new table using AET as new assignment block in campaign page.

  Once user input value in header of campaign, I will refresh new data and populate into new assignment block (AET).

  At the first time user input value and program founds 2 records, the AET table will need to show 2 records.

  this is work as expected. but when I remove the input value, so the AET table need to be refreshed.

  Now my logic can only refresh on WEB UI but when I press SAVE, the value still remain 2 records in AET table (also update into Z table as 2 records)

  How come the value is remain even we clear all in WEB UI?

  I put my code to clear value in event "DO_VALIDATE_INPUT" as below statement.

  me->typed_context->zatab0000ie->collection_wrapper->clear( ).

  but it clear only value before save, but after press save, it value is back.

  Please kindly suggest.

regards,

Boonsom