C# WebClient Usage Guide

The WebClient class is a utility class in C# used for communicating with web servers. It provides a set of methods for sending HTTP requests and receiving responses. Here are some common uses of the WebClient class:

1. Make a GET request:

WebClient client = new WebClient();
string response = client.DownloadString("http://example.com/api/data");
Console.WriteLine(response);

1. Send a POST request.

WebClient client = new WebClient();
client.Headers.Add("Content-Type", "application/json");
string response = client.UploadString("http://example.com/api/data", "POST", "{\"name\":\"John\",\"age\":30}");
Console.WriteLine(response);

1. Download the file.

WebClient client = new WebClient();
client.DownloadFile("http://example.com/files/file.txt", "local/path/file.txt");

1. Upload files:

WebClient client = new WebClient();
client.UploadFile("http://example.com/api/upload", "local/path/file.txt");

1. Set HTTP headers.

WebClient client = new WebClient();
client.Headers.Add("Authorization", "Bearer xxxxxxxxxxxx");

1. Use a proxy server:

WebClient client = new WebClient();
client.Proxy = new WebProxy("http://proxy.example.com:8080");

These are just some common uses of the WebClient class, there are many more methods and properties available. Depending on your specific needs, you can further explore the documentation and sample code of the WebClient class.