Question

How to use string format for align double number in C#

Answer 1

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            double d = 10000000.314;

            try
            {
                Console.WriteLine(String.Format("{0,20:0.0}", d)); //  "          10000000.3"
                Console.WriteLine(String.Format("{0,-20:0.0}", d)); // "10000000.3          "
                Console.WriteLine(String.Format("{0,10:0.0}", 1234.873)); //  "   1234.9"
                Console.WriteLine(String.Format("{0,-10:0.0}", 1234.873)); // "1234.9   "
                Console.WriteLine(String.Format("{0,10:0.0}", -1234.873)); //  "  -1234.9"
                Console.WriteLine(String.Format("{0,-10:0.0}", -1234.873)); // "-1234.9  "
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

/*
run:

          10000000.3
10000000.3
    1234.9
1234.9
   -1234.9
-1234.9
 
*/

 

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