It is running into timeout. But the site seems to work normally in browsers.
string uri = "https://helpx.adobe.com/de/robohelp/using/basics-of-conditional-content.html";
HttpClientHandler handler1 = new();
HttpClient client1 = new HttpClient(handler1);
HttpRequestMessage httpRequestMessage1 = new(HttpMethod.Get, uri);
HttpResponseMessage resp1 = client1.SendAsync(httpRequestMessage1).GetAwaiter().GetResult();
string content = await resp1.Content.ReadAsStringAsync();
Console.WriteLine(content);
I have executed this simple code in Visual Studio 2022 on Windows 10, .NET 8, but it runs into timeout waiting for the response.
>Solution :
The site likely blocks because of empty headers. When added it work.
string uri = "https://helpx.adobe.com/de/robohelp/using/basics-of-conditional-content.html";
HttpClientHandler handler1 = new();
HttpClient client1 = new HttpClient(handler1);
client1.DefaultRequestHeaders.Add("User-Agent", "curl/8.9.1");
client1.DefaultRequestHeaders.Add("Accept", "*/*");
HttpRequestMessage httpRequestMessage1 = new(HttpMethod.Get, uri);
HttpResponseMessage resp1 = client1.SendAsync(httpRequestMessage1).GetAwaiter().GetResult();
string content = await resp1.Content.ReadAsStringAsync();
Console.WriteLine(content);
Btw, the code can be simplified. Also don’t mix async and sync code.
string uri = "https://helpx.adobe.com/de/robohelp/using/basics-of-conditional-content.html";
using (HttpClient client1 = new HttpClient())
{
client1.DefaultRequestHeaders.Add("User-Agent", "curl/8.9.1");
client1.DefaultRequestHeaders.Add("Accept", "*/*");
string content = await client1.GetStringAsync(uri);
Console.WriteLine(content);
}