copy from one node to another child node

Hi all,

I have a node A with (1-1) cardinality . I have one another node B with a child node C. the child node has same structure of node A. I have some data in node A . How can i copy the node A data to Node C which is a child node of B.

The code wizard is not giving correct result.

Please do the needful.

Regards

Prasad