/// <summary>
        /// Tests the connection.
        /// </summary>
        /// <returns></returns>
        public bool TestConnection()
        {
            string error;
            string serverName = serverNameComboBox.Text;
            bool   result     = false;

            if (rawConnectionStringCheckBox.Checked)
            {
                result = _serverConnector.TestRawConnection(RawConnectionStringTextBox.Text, out error);
            }
            else if (authenticationComboBox.SelectedIndex == 0)
            {
                result = _serverConnector.TestConnection(serverName, userNameComboBox.Text, passwordTextBox.Text, out error);
            }
            else
            {
                result = _serverConnector.TestConnection(serverName, out error);
            }

            if (result)
            {
                return(true);
            }
            else
            {
                MessageBox.Show("Error: " + error, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return(false);
            }
        }