private void csvbutton_Click(object sender, EventArgs e)
        {
            var rez = _runner.ExecuteQuery(Query, DbName);

            serializer = new CsvQueryResultSerializer();
            var csv = serializer.Serialize(rez);

            MessageBox.Show(csv);
        }
        private void xmlButton_Click(object sender, EventArgs e)
        {
            var rez = _runner.ExecuteQuery(Query, DbName);

            serializer = new XmlQueryResultSerializer();
            var xml = serializer.Serialize(rez);

            MessageBox.Show(xml);
        }