Web Dynpro Error Messages

Question

Hi Guys,
I have the ff scenario:
1. I have a web dynpro with a tabstrip.
2. I have a save button.
My problems are:
1. When I raise error message via lo_message_manager->report_attribute_error_message, the error message is raised and the field in error is highlighted but when I navigate to another tab, the error message disappears.
I want the error to show even when I navigate to another tab.
2. When I click the 'save' button, i tried to read the error message via lo_message_manager->get_messages( ), but there's no data returned. There's an error and yet it executes the save button.
I want the error to show until all the issues were solved before it can actually proceed with the saving.
How can I achieve this?

Answer 1

Hi Deepankar,
I guess putting all the validations in WDDOBEFOREACTION is okay if I have few views and fields.
But I have a lot.
I cannot do all my validations in WDDOBEFOREACTION.
It is important that I do my validation in ONACTION events on each fields.
So that when the user hits enter or click a dropdown list or click a checkbox, the error would then be raised right away if there's any.
Because I have so many tabs and dropdowns and checkbox and validations on enter, WDDOBEFOREACTION will get triggered so many times.
I can't activate is_permanent also because it sometimes prevents the user in doing any action. I have non-editable fields that are dependent on other fields for entry. When I tried correcting the field that it's depending to, it won't trigger the onaction event, thus the screen seems not responding which in fact it just want the context attribute to be corrected.
Is there no other way to catch the errors when the user clicks the button?
I noticed that I can only read the messages in WDDOBEFORENAVIGATION and not in any other places, but this WDDOBEFORENAVIGATION is executed after ONACTION event of the button. My processing is already executed before I had the chance to read the error.
Please advice.