Question

How to use ToString() in C#

Answer 1

using System;
using System.Globalization;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = 1389;
            double d = 3.14;

            string s1 = n.ToString();
            string s2 = n.ToString(NumberFormatInfo.InvariantInfo);
            Console.WriteLine(s1 + " " + s2);

            s1 = d.ToString();
            s2 = d.ToString(NumberFormatInfo.InvariantInfo);
            Console.WriteLine(s1 + " " + s2);
        }
    }
}

/*
run:
  
1389 1389
3.14 3.14

*/

 

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Answer 2

using System;
using System.Globalization;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            string s1 = 12345.ToString();
            string s2 = 12345.ToString(NumberFormatInfo.InvariantInfo);
            Console.WriteLine(s1 + " " + s2);


            NumberFormatInfo n = CultureInfo.InvariantCulture.NumberFormat;
            s1 = 12345.ToString(n);
            Console.WriteLine(s1);
        }
    }
}

/*
run:
  
12345 12345
12345

*/

 

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