Natalie,

>Enjoying using MM! However, i am receiving a strange error when i attempt to SaveDataSet (used in a business object, update method). The error is:
>
>
>Server Error in '/Support' Application.
>--------------------------------------------------------------------------------
>
>Column 'AgencyTypePK' is read only.
>Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Do you have a UI control that is bound to AgencyTypePK? If so, just set the UI control to read-only.

Regards,