I'm trying to use a form's BindingContext.Position in a grid to correctly locate a matching Datatable.Row(), BUT...

When I first bind a grid, these match one-for-one. But if I click on a column header and resort the column, the Bindingcontext.Position changes to a new number based on the new sorting order. So a .Position that was previously at 1 could now be at .Position=512, which goes out of sync with the datatable, which keeps the original DataTable.Row at 1.

Does anyone know a way to directly access the correct datarow using BindingContext.Position? Or must I use other techniques?