Hello, Jim
MM is trying to populate a listbox for you to select fields from your database. To do so, it's using your connection strings to connect to the backend. Sounds as if one or more connection string entries in your app.config aren't properly formed.
>When I click the bindingsourcemember builder for a textbox control I get the following message:
>
>Object reference not set to an instance of an object.
>
>What the Sam Hill does that mean?!?