Stephen,

>When I try to use them in a ListBox I bomb out. A reference to a key is the WEB error I get.
>
>I see the key in that Select statement identical to the key listed in the BO.
>public SAE()
>{
>this.TableName = "depappl";
>this.PrimaryKey = "ap_key";

If I understand what you're saying, I think the problem is that you have specified the business object’s TableName as “depappl” and its PrimaryKey as “ap_key”...but ap_key is not a key field in the "depappl" table?

When the Framework tries to retrieve this value, you get the key error. If your table is read only and doesn’t have a primary key, don’t set the PrimaryKey field at all in your business object.R

Regards,