Addition of Three Numbers Using Functions in C#

 A program that will ask the user to give three numbers and then the program will compute the sum of three numbers using a function in C# programming language.

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Program Listing

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        public static int Addition_Three_Numbers(int num1, int num2, int num3)
        {
            int total_sum = (num1 + num2 + num3);
            return total_sum;
        }
        
        static void Main(string[] args)
        {
            int num1, num2, num3, sum;

            Console.WriteLine("\n");
            Console.Write("\tAddition of Three Numbers Using Functions in C#");
            Console.WriteLine("\n");
            Console.Write("\tGive First  Value : ");
            num1 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\tGive Second Value : ");
            num2 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\tGive Third Value  : ");
            num3 = Convert.ToInt32(Console.ReadLine());
            sum = Addition_Three_Numbers(num1, num2, num3);
            Console.WriteLine();
            Console.WriteLine("\tThe Total Sum is  " + sum + ".");
            Console.WriteLine();
            Console.WriteLine("\tEnd of Program");
            Console.WriteLine();
            Console.ReadKey();
        }
    }
}