Applied ASP.NET 4 in Context

Handling Errors

To demonstrate the different techniques for handling errors, we need a web application that will generate them on demand. To that end, we'll create an ASP.NET application that will let us select one of three different C# exceptions to throw when we submit a form.

Creating the Handling Errors Example

To create the sample project, follow these steps:

1. Create a new Visual Studio project using the ASP.NET Empty Web Application template.
2. Given the project the name Handling Errors, as shown in Figure 7-1.
   

   Figure 7-1. Creating the Handling Errors project

3. To add a web page, select Project Add New Item.
4. Select the Web Form template, ...