How to Fix code 400 Error – .Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is returned
Handle HttpWebRequest exceptions for HTTP status code 400 (Bad Request) to retrieve error messages.
📋 Table of Contents
When working with HTTP requests in .NET, it's not uncommon to encounter status codes that indicate a problem with the request. One such code is 400, which indicates a bad request. However, when this code is returned by the server, .NET's HttpWebRequest class can throw an exception.
🛑 Root Causes of the Error
- The root cause of this issue is that .NET's HttpWebRequest class only handles HTTP responses with a status code between 200 and 299. When a response has a status code outside this range, it throws an exception.
🚀 How to Resolve This Issue
Method 1: Parse the Response Content
- Step 1: Use the GetResponseStream method to get the response stream.
Method 2: Check the Status Code Before Calling GetResponse
- Step 1: Use the StatusCode property to check if the status code is between 200 and 299.
🎯 Final Words
By following these methods, you can handle HTTP responses with status codes outside the 200-299 range and avoid exceptions. Remember to always check the status code before calling GetResponse to ensure a smooth and reliable experience.
❓ Frequently Asked Questions
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