Basic settings examples of sessions in C# programs and methods to clear sessions

using System;
using ;
using ;
using ;
using ;

namespace OAFrameWork
{
  public class CSession
  {
      public static object Get(string Key)
    {
      return [Key];
    }


  public static string GetString(string Key)
    {
      object obj = [Key];
      if (obj == null) return "";
      else return ();
    }


    public static object Get(string Key,object DefaultValue)
    {
      if ([Key] == null)

        return DefaultValue;
      else
        return [Key];

    }


    public static object Get(string Key, object DefaultValue,Boolean CanAdd)
    {
      if ([Key] == null)
      {
        if(CanAdd==true)
          (Key, DefaultValue);

        return DefaultValue;
      }
      else
        return [Key];

    }


    public static Boolean Set(string Key,object Value)
    {
      try
      {
        if (Value == null && [Key] != null)
        {
          (Key);
        }
        else if ([Key] == null)
          {
            (Key, Value);
          }
          else
          {
            [Key] = Value;
          }

        return true;
      }
      catch (Exception ex)
      {
        (); 
        return false;
      }

    }
 

      
    
  }
}

();//Clear all Sessions//Clear a SessionSession["UserName"] = null;
("UserName");