Exception handling
In this section, we'll look at how to handle exceptions in the VB application when any issue is raised and provide a meaningful message to users. When you develop an application and deliver it to the end users to use it, they may face different kinds of issues, such as data issues, network issues, REST API issues, and so on.
When an issue is raised when using the application, a system-generated message is thrown, which an end user cannot understand. So, it's the developer's responsibility to suppress the system-generated message and show user-friendly messages to users.
In the subsequent sections, we'll describe how to handle exceptions at different levels.
Handling REST API exceptions
In this section, we'll look at how to handle exceptions related to REST APIs. In VB, we use REST APIs extensively for data communication, so it's very important to handle exceptions in the case of any issues. In order to call REST APIs, we...