Gordon,

>5. The question... How do we give the data back to the Business Object so that our WEB form objects can bind to the data?
>
>
>mmDataSet ds = Cache["myCache"];
>
>if (ds==null)
>{
> ds = (mmDataSet)this.oBusinessObject.GetData(...);
> Cache["myCache"] = ds;
>}
>else
>{
> ds = Cache["myCache"];
> this.oBusinessObject.?????(ds);
>}

Is it the SetCurrentDataSet() method that you are looking for? You can pass the dataset to this BO method and then use the dataset in the BO.