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namespace ConsoleAccessPrivateMembers
{
    class MyPrivateClassMem
    {
       private int a = 10, b = 20;

       public int aa
       {
           get
           {
               return aa;
           }
           set
           {
               aa = a;

           }
       }
       public int bb
       {
           get
           {
               return bb ;
           }
           set
           {
               bb = b;

           }
       }
        public int add()
        {

            return aa+bb ;
        }




    }
    class MyInput
    {

        static void Main(string[] args)
        {
            MyPrivateClassMem obj = new MyPrivateClassMem();
            obj.aa = 1;
            obj.bb = 2;


            Console.WriteLine(obj.add());


        }
    }
}


I am trying to change private variables values using properties but at executing time "Process is terminated due to stackoverflow exception " error encountered
So ,Kindly help here.
Posted

Beginning with C# 3.0, you now have auto-implemented Properties where what used to be the standard use of a "backing-field" variable is no longer necessary. If you write this code:
public int a { get; set; }
The compiler will generate a hidden private variable for you.

Here's what your code might look like taking advantage of this:
C#
using System;

namespace ConsoleAccessPrivateMembers
{
    internal class MyPrivateClassMem
    {
        // parameterless ctor
        public MyPrivateClassMem()
        {
            a = 10;
            b = 20;
        }

        // ctor with supplied parameters
        public MyPrivateClassMem(int parametera, int parameterb)
        {
            a = parametera;
            b = parameterb;
        }

        // auto-implemented public properties
        public int a { get; set; }
        public int b { get; set; }

        public int add()
        {
            return a + b;
        }
    }

    internal class MyInput
    {
        private static void Main(string[] args)
        {
            var obj1 = new MyPrivateClassMem();
            obj1.a = 1;
            obj1.b = 2;
            Console.WriteLine("obj1 add result: " + obj1.add());

            var obj2 = new MyPrivateClassMem(100, 200);
            Console.WriteLine("obj2 add result: " + obj2.add());

            // keep the Console window open
            Console.ReadLine();
        }
    }
}
Note the use of a parameterless Constructor that allows for the initialization of 'a and 'b to default values.

Also note a second, optional, Constructor with parameters supplied, so you can initialize 'a and 'b, if you wish, when you create an instance of the Class 'MyPrivateClassMem.
 
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Comments
AVINCODE 26-Dec-13 3:51am    
Thanks... :-)
The getters should return the value in the local variable and the setters should use the keyword 'value' to se the values of the private variables.

C#
public int aa
       {
           get
           {
               return a;
           }
           set
           {
               a = value;

           }
       }
       public int bb
       {
           get
           {
               return b ;
           }
           set
           {
               b = value;

           }
       }
 
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Comments
AVINCODE 26-Dec-13 3:50am    
Thanks...

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