How To Display an Image in a Display Image Page Item

i have a pageitem textbox called SearchBox , a Button called Search and a Display Image called Image
i to display and image upon inserting an ID into the searchbox. It work alright if i put a static ID in the BLOB Column returned by SQL statement in Display Image
Note the facialimage of datatype BLOB
Sample
===
select facialimage
from voter_v
where voterid= 34343434;
But when i do it with a bind variable like the pageItem SearchBox
it doesnt on the click of the Button
what can be the problem
Sample
===
select facialimage
from voter_v
where voterid= :P1_VOTERSEARCH;

Hi,
can you please setup an example on apex.oracle.com and let me know the login credentials for the workspace. I think that will be the easiest to sort this out.
Regards
Patrick
My Blog: http://www.inside-oracle-apex.com
APEX Plug-Ins: http://apex.oracle.com/plugins
Twitter: http://www.twitter.com/patrickwolf

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