Andrew,

>Could someone else try this and see if they get the same problem as me? You will need a form with an mmDataGrid and a business object that contains a table and a dataview.
>
>[1] Bind a mmDataGrid to a business object's default table (set the mmDataView's BindingSource only). Compile and run the application. Make sure the mmDataTable shows the data in the business object's default table.
>
>[2] Now bind the same mmDataTable to a DataView (Set the mmDataView's BindingSource to a business object and the BindingSourceMember to a DataView like DataTableName.DataViewName). Compile and run the application, data from the dataview should show in the mmDataGrid.
>
>[3] Now here comes the kikker, if I remove the DataView from the mmDataGrid's BindingSourceMember (setting the BindingSourceMember to blank) and run the application then no data is shown (no column headers and no data). I would assume that at this point the mmDataGrid would show the data from the default table again.

Is it possible the MappiingName property of the DataGrid's TableStyle is not set properly?

Regards,