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I created a many2one field(named file_no_tn) in project.task.form.When i select the value of another field field_type as "Trademark" this field displayed.For each task i add a file_no_tn for it.But the file_no_tn should be unique for task.Is it posible?
For task T1,
we select file_no as TM 4533
Then for Task T2,
we should not hav to select TN 4533 again
but now we can select
How can we make restriction for this selection?
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|Asked: 2/23/15, 1:33 AM|
|Seen: 586 times|
|Last updated: 3/16/15, 8:10 AM|