How to control ViewObject Programmatically

Hi,
I am using Struts,ADF Business Components & JSP.
In my JSP I will get value from a ViewObject in the tabular form.
I tried to control(setWhereClause and setOrderByClause) the VO programmatically by overridding DataForwardAction class but the problem is whatever I set through the above mentioned setter methods its not reflecting on the JSP page.
But if I run the action class by including main method I am getting the desired result which passes the setWhereClause and setOrderByClause.
Can anybody help me put.I am new to this ADF.
Thanks,
Vikram.

Hello. I have a PCI 1411 board (no Vision). I am currently using Grab to do acquisition which shows live video, and also I allow the user to take a snap of anything he finds interesting on the video. This snap is saved to the hard drive. I have been asked to allow adjustable contrast and brightness for the live video.
I haven't been able to find any VI's that have these as parameters. I see from this post that I am going to have problems with this capability using Grab. But, I can't use Snap to show continuous live video. (I haven't been able to get it to work)
Any ideas on how to implement this? Also, which VI's would I need to look at for adjusting brightness and contrast? I haven't been able to find any help using these words as key terms.
Tha
nk you so much for any help you can give me! Mary

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