Formatted output in C#

To format output in C#, let us see examples to format date and double type.

Set formatted output for Double type.

Example

 Live Demo

using System;
class Demo {
   public static void Main(String[] args) {

      Console.WriteLine("Three decimal places...");
      Console.WriteLine(String.Format("{0:0.000}", 987.383));
      Console.WriteLine(String.Format("{0:0.000}", 987.38));
      Console.WriteLine(String.Format("{0:0.000}", 987.7899));

      Console.WriteLine("Thousands Separator...");
      Console.WriteLine(String.Format("{0:0,0.0}", 54567.46));
      Console.WriteLine(String.Format("{0:0,0}", 54567.46));
   }
}

Output

Three decimal places...
987.383
987.380
987.790
Thousands Separator...
54,567.5
54,567

Set formatted output for DateTime

Example

 Live Demo

using System;
static class Demo {
   static void Main() {

      DateTime d = new DateTime(2018, 2, 8, 12, 7, 7, 123);
      Console.WriteLine(String.Format("{0:y yy yyy yyyy}", d));
      Console.WriteLine(String.Format("{0:M MM MMM MMMM}", d));
      Console.WriteLine(String.Format("{0:d dd ddd dddd}", d));
   }
}

Output

18 18 2018 2018
2 02 Feb February
8 08 Thu Thursday