Hi Cheong, the error says that you are trying to set a value for displayedObjects though this is not a settable value. Please post your bindings/html where you are using the display group so we can see what is exactly happening.
jw
Am 29.06.2010 um 12:31 schrieb Cheong Hee:
> I spending hours on this matters but still could not figure out what has been
> gone wrong. I have a repeatition that shows displayedObjects of a display
> group. Checked wod, woo and coding and things looked normal.
>
> Anyone to help why WODisplayGroup complains about displayedObjects variable
> not found? The following is the short error message :~
>
> [2010-6-29 18:11:30 SGT] <WorkerThread0>
> <com.webobjects.foundation.NSKeyValueCoding$UnknownKeyException message
> '<com.webobjects.appserver.WODisplayGroup 0x1694eca> takeValueForKey():
> attempt to assign value to unknown key: 'displayedObjects'.
>
> This class does not have an instance variable of the name displayedObjects or
> _displayedObjects, nor a method of the name setDisplayedObjects or
> _setDisplayedObjects' object '<com.webobjects.appserver.WODisplayGroup
> datasource=com.webobjects.eoaccess.eodatabasedatasou...@9c8c3f
> delegate=Class: 'com.webobjects.appserver.WODisplayGroup$Delegate' Object:
> <null> sortOrdering=( <class com.webobjects.eocontrol.EOSortOrdering(vName
> compareAscending)> ) qualifier=null localKeys=null
> insertedObjectDefaultValues={} numberOfObjectsPerBatch=20>' key
> 'displayedObjects'>
>
> at
> com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.handleTakeValueForUnboundKey(NSKeyValueCoding.java:1399)
>
> at
> com.webobjects.appserver.WODisplayGroup.handleTakeValueForUnboundKey(WODisplayGroup.java:3136)
>
>
> Thanks for any pointer.
>
> Cheong Hee
>
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