January 9, 2016
How to Get File Extension in C#/CSharp
To get file extension in C#, we make use of GetExtension() static method of Path class, which resides in System.IO namespace. Example is given below.
using System; using System.IO; namespace Hello_World { class Program { static void Main(string[] args) { string file = @"C:\Users\ADMIN\Desktop\delete.txt"; string extension = Path.GetExtension(file); Console.WriteLine(extension); } } }