DBG_ASSERT(xModelColumns.is(),"FmXFormShell::OnSearchContextRequest : there is a grid control without columns !");
// the case 'no columns' should be indicated with an empty container, I think ...
// the case 'no columns' should be indicated with an empty container, I think ...
DBG_ASSERT(xModelColumns->getCount()>=xPeerContainer->getCount(),"FmXFormShell::OnSearchContextRequest : impossible : have more view than model columns !");