def ui_load_opt(self):
        #self.load_grid_query(self.dbgOpt, query_list=self.load_opt(self.dbcon))
        db1 = QtSql.QSqlDatabase.addDatabase("QSQLITE")
        print 1
        db1.setDatabaseName('pbdb.db')
        print 2
        x = db1.open
        print 3
        query = QtSql.QSqlQuery(db1)
        print 4
        query.exec_("select name_key, id from pb_keys_val")
        print 5
        model = QtSql.QSqlQueryModel()
        s = 'select name_key, id from pb_keys_val'
        model.setQuery(s, db1)
        #model.select()
        model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("name_key"))
        model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("id_key"))
        self.tv.setModel(model)
        self.tv.show()