Binary Search in C#

This short blog contents the code snippet for Binary Search in C#.

The code below has been converted from the Binary Search for Java code

using System;

using System.Collections.Generic;


namespace ConAppBinarySearch


    class search


        search(int[] list, int srchdata)



            /* ‘min’ use for starting location of the array, ‘max’ use for end location of the array and ‘mid’ use for middle location of the array */

            int min = 0;

            int max = list.Length – 1;

            int mid = (min + max) / 2;

            while (min <= max)


                if (list[mid] < srchdata)

                    min = mid + 1;

                else if (list[mid] == srchdata)


                    Console.WriteLine(srchdata + ” is found at location “ + (mid + 1));




                    max = max – 1;

                mid = (max + min) / 2;


            if (min > max)

                Console.WriteLine(srchdata + ” not found on the list!”);



        class Program


            static void Main(string[] args)


                /* For binary search, the array should be arranged in ascending or descending order */

                int[] list = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };


                Console.WriteLine(“Enter an number to search:”);

                new search(list, int.Parse(Console.ReadLine()));





About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress ( till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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