Your welcome and glad it is working. I remember actually naming fields like that way back when also. Of course before all the object oriented stuff and type safety, etc, etc; early fox days. Actually I think it was more like cMailAdd1 to indicate a character field.

Take care
Tim

>It worked! I guess I was overcomplicating it, eh? Here's how it reads now, which may well have been the way the builder set it up for me in the first place before I decided to mess it up.
>
>

>   <mm:mmTextBox ID="mmTextBox1" runat="server" 
>        BindingSource="Customer" BindingSourceMember="txtMailAdd1" 
>        BindingSourceType="Default"></mm:mmTextBox>
>

>
>Oh, and about those fieldnames (eg. txtMailAdd1)...isn't that lovely? Those are the fieldnames I inherited with this app. I'm not sure what the original developer was thinking, but it's definitely going to create some confusion for me.
>
>Thanks for your help, Tim.
>
>Eric