Craig,

>I am getting an error when field sizes are too large - should I be managing this in the business rule or in the UI?
>
>the error I am getting is:
>The value violates the MaxLength limit of this column.
>
>which is happening lower in the framework - i.e. circumnventing the business rule check for field length that I

You can put the check in the business rules, but by default, MM .NET sets the MaxLength on UI controls in both the web and Windows forms. At what point are you getting this error?

Best Regards,