Warn About Changes at Main Tab Level.

Hi All,
I have 6 main tabs and in one main tab i have created a page with 6 subtabs. In one subtab i have an advanced table which contains custom Add line submit button. i set warn about changes property of AddLine button item to true, and also page layout and fields in advanced table property warn about changes to true. But if i add new line and try to click on other main tab i am not getting alert pop up message (warning message).
Can anyone tell me how to resolve this issue?
Regards,
Babu

Hi Babu
Handeling of warn about changes is covered in the OAF development guide under Save Model("Warn About Changes")

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