How to stop attribute level validation when entity validator fails?

Hi,
Can you suggest any way to achieve the desired behaviour on the following scenario.
Table contains the following columns
1. Grade
2. Grade Rate
3. Status
Constraints:
1. Grade and Grade Rate together must be unique.
2. Grade and Grade Rate are mandatory fields.
Implementation:
1. Have Mandatory validator at attribute level for Grade and Grade Rate by default.
2. Alternate key is defined based on Grade and Grade Rate and added the same as Entity validator.
User operation scenario:
User adds a row in a table, entered 'GradeOne' as Grade, tabbed out and then entered '5 %' as Grade Rate (Existing row of the VO has a row with similar data already). When user try to navigate to other row, both validation at attribute level and entity level fires and gives the following error messages.
Error Msg 1. Grade and GradeRate should be unique.
Error Msg 2. Attribute GradeRate is required.
Expected behaviour:
I can understand the reason why ADF throws both the errors (coz it didn't consider the invalid value of GradeRate posted into attribute), but the error messages confuses the user. It would be great if he get only one error message in this scenario (i.e. Unique validation alone)
Question:
How can I restrict in such a way that only one error validation happens in a request (i.e. either attribute level or entity level or in a particular order}
Thanks in Advance.

Hi,
the reason ADF does this is for performance. What if you create a custom error handler in the DataBindings.cpx file and use this to suppress all other errors?
See
Decompiling ADF Binaries: Customizing Business Components Error Messages
:http://www.adftutorials.com/adf-custom-error-handler-to-display-custom-message-to-user.html
Frank

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