How to Download a File From a URL in C#

In this article, we will introduce a method to download a file from a URL.

  • Using the DownloadFile() method

Use the DownloadFile() Method to Download a File From a URL in C

We will use the system-defined method DownloadFile() to download a file from a URL. We will have to create a new WebClient object to call this method. The correct syntax to use this function is as follows.

WebClient.DownloadFile(Uri address, string fileName);

The built-in method DownloadFile() has two parameters. The details of its parameters are as follows

Parameters Description
address mandatory It is the URL from where we want to download the file.
fileName mandatory It is the name of the file that we want to download.

The program below shows how we can use the DownloadFile() method to download a file from a URL.

using System;
using System.Net;


class DownloadFile
{
    static void Main()
    {

WebClient mywebClient = new WebClient();
mywebClient.DownloadFile("http://mysite.com/myfile.txt", @"d:\myfile.txt");
    }
}

The file has been downloaded to the local disk D.

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