One of the trickier aspects of application development is dealing with null or nonexistent data. Tony Patton takes a closer look at null values in the .NET framework.

Learn to change the default behavior and return HTTP 404 when action methods in ASP.NET Core return null values.

Null values indicate that data is missing or unknown, and if you don't take steps to handle them, you could wind up with runtime errors or erroneous data. These Access pointers will help you ...