CapDemo.DA.DatabaseAccess.SelectDatabase C# (CSharp) Метод

        public DataTable SelectDatabase(string query)
        {
            try
            {
                con = new SQLiteConnection(connection);
                con.Open();
                adapter = new SQLiteDataAdapter(query, con);
                DataTable dtb = new DataTable();
                adapter.Fill(dtb);
                con.Close();
                return dtb;

            }
            catch (Exception ex)
            {

                MessageBox.Show("Error\n"+connection + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return null;
            }
        }