C# String Format(String, Object)

Description

String Format(String, Object) replaces one or more format items in a specified string with the string representation of a specified object.

Syntax

String.Format(String, Object) has the following syntax.

public static string Format(
  string format,
  Object arg0
)

Parameters

String.Format(String, Object) has the following parameters.

• format - A composite format string.
• arg0 - The object to format.

Returns

String.Format(String, Object) method returns A copy of format in which any format items are replaced by the string representation of arg0.

Example

The following code shows how to use String.Format(String, Object) method.

/* w w w  . j a v a 2 s. c o  m*/
using System;
public class MainClass{
  public static void Main(String[] argv){  
    double temperature = 68.3;
    string result = String.Format("At {0:t} on {0:D}, the temperature was {1:F1} degrees Fahrenheit.",
                                  DateTime.Now, temperature);
    Console.WriteLine(temperature);
  }
}
    

The code above generates the following result.