C# String Format()

The C# Format() method is used to replace one or more format items in the specified string with the string representation of a specified object.

Signature

public static string Format (String first, Object second) 
public static string Format(IFormatProvider, String, Object)
public static string Format(IFormatProvider, String, Object, Object)
public static string Format(IFormatProvider, String, Object, Object, Object)  
public static string Format(IFormatProvider, String, Object[]) 
public static string Format(String, Object, Object)
public static string Format(String, Object, Object, Object)
public static string Format(String, params Object[])

Parameters

first : it is a string type argument.

second: it is object type argument.

Return

It returns a formatted string.

C# String Format() Method Example

    using System;  
    public class StringExample  
    {  
        public static void Main(string[] args)  
        {  
                     
          string s1 = string.Format("{0:D}", DateTime.Now);
          Console.WriteLine(s1);
        }  
    }  

Output: