Below is the requiredment:

I need to have a multi selection list box and there
will be list of options for each list item.

and also how can I retrieve/supply the values to the
above list boxes.

I think, I am not able to explain clearly.
So,please visit the www.msdn.microsoft.com/bugs look
at Product/Technology list implementation for better
understanding.

I am wodering for a better & simpler way to achieve
this functionality.

an erlier reply is really helpful to me.

Thanks a lot