Use base keyword to access field in the base class : Base : Class C# Examples

    
using  System;

class  BaseClass                                                                            
{
      public  string  Field1  =  "In  the  base  class";
}

class  DerivedClass  :  BaseClass                                                
{
      new  public  string  Field1  =  "In  the  derived  class";

      public  void  Display()
      {
            Console.WriteLine("{0}",  Field1);                            //  Access  the  derived  class.
            Console.WriteLine("{0}",  base.Field1);                  //  Access  the  base  class.
      }
}

class  Program
{
      static  void  Main()
      {
            DerivedClass  oc  =  new  DerivedClass();
            oc.Display();
      }
}