Question

How to use string format on double for max 2 decimal places after the point in C#

Answer 1

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            double d = 0.314;

            try
            {
                Console.WriteLine(String.Format("{0:0.##}", d)); // 0.31
                Console.WriteLine(String.Format("{0:0.##}", 123.45678)); // 123.46
                Console.WriteLine(String.Format("{0:0.##}", 123.43678)); // 123.44
                Console.WriteLine(String.Format("{0:0.##}", 123.4)); // 123.4
                Console.WriteLine(String.Format("{0:0.##}", 123.0)); // 123
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

/*
run:

0.31
123.46
123.44
123.4
123
 
*/

 

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