Handling CORS Preflight and Credentials in ASP.NET WebAPI
<p>When integrating a frontend application hosted on a separate origin with an ASP.NET WebAPI backend, Cross-Origin Resource Sharing (CORS) policies often block requests. This is particularly common when the client requires authentication credentials. The browser enforces specific security checks during the preflight process, and failure ...
Posted on Mon, 11 May 2026 05:38:34 +0000 by filn
Best Practices for Handling Custom Errors in ASP.NET
To properly handle custom errors in ASP.NET, it's essential to avoid using the web.config customErrors element.
The major drawback of using web.config customErrors is that it redirects when displaying custom error pages:
http://www.example.com/error/error.htm?aspxerrorpath=/somepage/p/12345.html
This creates two issues:
1. ...
Posted on Mon, 11 May 2026 04:35:35 +0000 by hellz