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How to Call Base Class Method from Derived Class


C# - Basics - Classes - Inheritance - How Calling Base Class Method from Derived Class

Calling Base Class method from Derived Class in C#


This topic contains and tries to cover following subjects:
- Explanation of Base keyword in C#
- Syntax of Base keyword in C#
- Example of Base keyword in C#

Articles provides solution to following questions and issues:
- How to use base keyword in C#
- How to call a method of base Class from the derived Class
- Why would a programmer need to call a base Class method from derived Class in practice

Previously Explained about  How to convert json to class in c#

Explanation of Base keyword in C#

Base keyword in C# enables programmers to call a method of Base Class from the derived Class.

Syntax of Base keyword in C#

Following syntax is used to call a method of base Class from the derived Class: 
namespace  NS_hardwareManagerApp

{

    //declare a base Class...

    class CL_aBaseClass

    {

        public void FN_Info()

        { 

          
        }

    }

    //create a derived Class and inherit base Class...

    class CL_aDerivedClass : CL_aBaseClass

    {

        public void FN_Info()

        {

            //call base Class method in derived Class...

            base.FN_Info();

        }

    }

    class CL_x

    {

        static void Main(string [] args)

        {
           
           Console.ReadLine();

        }

    }

}

Example of Base keyword in C#


Following example indicates how to call a base Class method from derived Class. Example is a console application which is created and test with Visual Studio 2008. 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;


namespace  NS_HRapplication

{

    //declare a base Class...

    class CL_employees

    {

        public void FN_displaySalary()

        {

            Console.WriteLine("Salary is 1000 euro...");

        }

    }

    //create a derived Class and inherit base Class...

    class CL_tehnicians : CL_employees

    {

        public void FN_displaySalary()

        {

            //we assume that managers are getting paid 1000 euro extra

              than base employee salary...

            base.FN_displaySalary();

        }
    }

    class CL_x

    {
        static void Main(string [] args)

        {

            //create a technician instance-object...  
          CL_tehnicians o_aTechnician = new CL_tehnicians();

            //display salary...

            o_aTechnician.FN_displaySalary();

            Console.ReadLine();

        }

    }

}

Application output:
C# - Basics - Classes - Inheritance - Calling Base Class Method from Derived Class
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