oh - and it's a xbap application. in fact copying the whole example project into xbap doesn't work while copying it to window application works... is there really no difference noticed between xbap and window?

hello, we've read a lot of  threads on this forum but we believe they either don't apply to our case or the explanations are not sufficient because we've tried nearly all of them - or have we missed something?  our case is like this - we use datagrid conected to a datatable. one of the columns of retreived table contains an id of an element from ...