C# Language Tutorial => Error handling of specific HTTP response...

Example

using System.Net;

...

string serverResponse;
try 
{
    // Call a method that performs an HTTP request (per the above examples).
    serverResponse = PerformHttpRequest();
}
catch (WebException ex)
{
    if (ex.Status == WebExceptionStatus.ProtocolError)
    {
        HttpWebResponse response = ex.Response as HttpWebResponse;
        if (response != null)
        {
            if ((int)response.StatusCode == 404) // Not Found
            {
                // Handle the 404 Not Found error 
                // ...
            }
            else
            { 
                // Could handle other response.StatusCode values here.
                // ...
            }
        }
    }
    else
    {
        // Could handle other error conditions here, such as WebExceptionStatus.ConnectFailure.
        // ...
    }
}

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C# Language Performing HTTP requests Error handling of specific HTTP response codes (such as 404 Not Found)

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