is there any tutorial about Combo>Combo>Datagrid based on the each selection?


I know there is a tutorial about Combo>Datagrid, I follow every instructions but fail to populate data from mysql.However, when i copy the whole layer into another fla and change the blinding schema settign to my database, it works.., why is it like that??

Currently, I can populate data in combo bxo 2 from combo box 1, but cant populate data in datagrid from combo box 2 .

Hope anyoen coudl help me