void SQLApp::EditBook()
{
	if(!book.IsCursor())
		return;
	BookDlg dlg;
	int q = book.GetKey();
	SQL * Select(dlg.ctrls).From(BOOK).Where(ID == q);
	if(!dlg.ctrls.Fetch(SQL))
		return;
	if(dlg.Run() != IDOK)
		return;
	SQL * dlg.ctrls.Update(BOOK).Where(ID == q);
	Query(q);
}