Path.GetExtension method in c#
In this article I will explain Path.GetExtension method in C#.
Introduction
C# path is a name of a directory which identify a unique location of a file in a file system. A path of a file system is expressed in a string of character.
Files have a specific extension. Path.GetExtension method Returns the extension of the specified path string. You can use Path.GetExtension method to test extensions in C#. Path.GetExtension method includes the separator character ".". Path.GetExtension checks the entire path for invalid chars.
Example
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
class Program
{
static void Main()
{
string p = @"C:\Users\rahul\Documents\Test.txt";
string e = Path.GetExtension(p);
Console.WriteLine("Hi extention is:{0}",e);
Console.ReadLine();
}
}
The output of following program