Stacked Canvas issue in D2K

Hi Gurus,
In D2k , How can I de-select the stacked canvas from content canvas ?
I have tried to deselect same using Navigation path : D2k Form > Menu > View > Stacked View --- but not succeed.
Any one can guide me in this regards
Thanks in advance.
Sanjay

Anyone's expert comment ?
We are using Oracle EBs 11i (11.5.10.2) .
We are using EBS Form (not standalone) version 6i based on TEMPLATE.FMB .
Also, we are not getting any error.
sanjay
Edited by: Sanjay Desai on Oct 30, 2012 2:03 PM

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