C#

Member 12938797 wrote:

I am beginner with C# programming

Member 12938797 wrote:

I need a code to learn how to use this property

public class AccessIOPortException : Exception
{
  public AccessIOPortException(string message, int port) : base($"Error accessing port {port}{Environment.NewLine}{message}")
  {
    Port = port;
  }
  public int Port { get; }
}

[Serializable]
public class AccessIOPortException : Exception
{
    public AccessIOPortException(string message, int port, Exception innerException) : base(FormatMessage(message, port), innerException)
    {
        Port = port;
    }
    
    public AccessIOPortException(string message, int port) : base(FormatMessage(message, port))
    {
        Port = port;
    }
    
    protected AccessIOPortException(SerializationInfo info, StreamingContext context) : base(info, context)
    {
        Port = info.GetInt32(nameof(Port));
    }
    
    [SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)]
    public override void GetObjectData(SerializationInfo info, StreamingContext context)
    {
        base.GetObjectData(info, context);
        info.AddValue(nameof(Port), Port);
    }
    
    private static string FormatMessage(string message, int port)
    {
        // TODO: Load from a resource file for localization:
        return $"Error while accessing IO port {port}\n{message}";
    }
    
    public int Port { get; }
}

public class Name
{
  public string Name { get; set; }
  public int Department { get; set; }
  public DateTime BirthDate { get; set; }
}

public class Users
{
  private IEnumerable<User> users;
  public IEnumerable<User> Users { get { return users; } }
  public void LoadUsers()
  {
    users = new List<User>();
    using (DataAccess dal = new DataAccess())
    {
      IDataReader reader = dal.GetValuesFromStoredProcedure("GetUsers");
      while (reader.Read())
      {
        User user = new User();
        dal.Populate(user.Name, "Name");
        dal.Populate(user.Department, "Department");
        dal.Populate(user.BirthDate, "DOB");
        users.Add(user);
      }
    }
  }
}