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C# | Display custom formatting for zero and negative float numbers using String.Format() method

C# | String.Format() method example: Here, we are going to learn how to display custom formatting for zero and negative float numbers using String.Format() method in C#?
Submitted by IncludeHelp, on November 04, 2019

To display custom formatting for zero and negative numbers, we can use String.Format() in C#, here is the example.

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Demo for custom formatting for zero and negative number");

            Console.WriteLine(String.Format("{0:0.00;minus 0.00;zero}", 512.4567));  
            Console.WriteLine(String.Format("{0:0.00;minus 0.00;zero}", -512.4567)); 
            Console.WriteLine(String.Format("{0:0.00;minus 0.00;zero}", 0.0));       

            Console.WriteLine();  
        }
    }
}

Output

Demo for custom formatting for zero and negative number
512.46
minus 512.46
zero

In the above program, there are three sections separated by semicolon,

First for positive number
Second for negative number
Third for zero

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