Select an attribute of a multiple node......?

Hi,
I have created on simpletype in local dictronary(Key) in .... and i have created anoter key of this type in custom contoller... i have mapped this to my view context node attribute..... I have DropDownByIndex element i want to set Key node element to my texts property.... but i am getting the "Select an attribute of a multiple node.." error.....why i am getting this?
and
I have created a materialNumber model attribute in my view context and i mapped this to materialNumber of custom controller context attribute...... i want to set this to texts property of DropDownByIndex element... but i am getting the same error.... why i am getting this error...
Help me
Best Regards
Ravi Shankar B
Message was edited by: RaviShankar B

Ravi,
Then let us fix this error instead of introducing other one
1. You have some context attribute in custom/component controller.
2. You map this attribute to attribute in view controller.
3. You are trying to modify simple type of attribute in view controller.
Step 3 is wrong -- move your code that modifies simple type of attribute to custom/component controller, where attribute was defined. Mapped attribute in view controller will get modified type automatically.
Then, obviously, use DropDownByKey.
Valery Silaev
EPAM Systems
http://www.NetWeaverTeam.com

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Message was edited by: BobTheFisherman
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