C#

public interface IControl
{
    void Load();
    void Cleanup();
}

public abstract class _UserControlBase : UserControl, INotifyPropertyChanged, IControl
{
    public new abstract bool IsEnabled { get; set; }

    public abstract void Load();
    public abstract void Cleanup();

    public event PropertyChangedEventHandler PropertyChanged;
    protected void RaisePropertyChanged(string propertyName)
    {
        if (PropertyChanged != null)
        {
            PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}

public interface IConnectionView
{
    event EventHandler<ConnectedToDeviceEventArgs> ConnectedToDevice;
}

public partial class ConnectionView : _UserControlBase, IConnectionView
{
    #region Event Declations
    public event EventHandler<ConnectedToDeviceEventArgs> ConnectedToDevice;
    #endregion

 .
 .
 .
}

public class MainWindowViewModel : _ViewModelBase
{
    private IControl _CurrentView;
    public IControl CurrentView
    {
        get { return _CurrentView; }
        set
        {
            if (_CurrentView != value)
            {
                _CurrentView = value;
                RaisePropertyChanged("CurrentView");
            }
        }
    }

    public MainWindowViewModel()
    {
        loadView(AppMode.Discover);
    }

    private void loadView(AppMode mode)
    {
        if (CurrentView != null)
        {
            CurrentView.Cleanup();
        }

        switch (mode)
        {
            case AppMode.Connected:
                break;

            case AppMode.Discover:
                CurrentView = new ConnectionView();
                CurrentView.Load();
                break;
        }
    }
}

It was not possible to connect to the redis server(s); to create a disconnected multiplexer, disable AbortOnConnectFail. UnableToResolvePhysicalConnection on PING

StackExchange.Redis.RedisConnectionException: It was not possible to connect to the redis server(s); to create a disconnected multiplexer, disable AbortOnConnectFail. UnableToResolvePhysicalConnection on PING
   at StackExchange.Redis.ConnectionMultiplexer.ConnectImpl(Func`1 multiplexerFactory, TextWriter log)
   at StackExchange.Redis.ConnectionMultiplexer.Connect(String configuration, TextWriter log)
   at StackExchangeApplication.Source.Service.RedisService..ctor()
   at StackExchangeApplication.Source.Service.RedisService.get_GetInstance()
   at StackExchangeApplication.RedisHelper.GetStringValue(GetValueRequestMessage requestMessage)

public class RedisService
{

        public static ConnectionMultiplexer _connection;
        public static IDatabase _redisDatabase;

        static RedisService()
        {
            _connection = ConnectionMultiplexer.Connect("localhost");
            _redisDatabase = _connection.GetDatabase();
        }
     
       public void AddStringKeyValue(string key, string value, int expireInMinute)
        {
            bool result = _redisDatabase.StringSet(key, value, TimeSpan.FromMinutes(expireInMinute), When.Always,
                CommandFlags.None);

            if (!result)
            {
                throw new Exception("Failed To add key value in Redis server Key : " + key + ", Value : " + value);
            }
        }

        public string GetStringValue(string key)
        {
            string value = _redisDatabase.StringGet(key);
            return value;
        }

}

static public void refresh(DataGridView datagridview)
            
        {
            try
            {
                if (Connection.State == ConnectionState.Closed)
                    Connection.Open();
                MySqlDataAdapter dataadapter = new MySqlDataAdapter("SELECT * FROM suTable", Connection);
                DataTable dt = new DataTable();
                dataadapter.Fill(dt);
                datagridview.DataSource = dt;
              
            }
            catch (MySqlException Exception)
            {
                MessageBox.Show(Exception.ToString());
            }
            finally
            {
                Connection.Close();
            }