Microsoft Sharepoint Products and Technologies Resource Kit eBook

1018 Part IX: Maintaining a Server in Windows SharePoint Services
When exceptions occur, you now receive ASP.NET exception messages with stack
trace information.
Note The CallStack attribute enables this functionality for all local and
remote clients.
Using Tracing in ASP.NET
You can use the tracing feature in ASP.NET to monitor the environment of the server
on which you are programming. You can use tracing on a specific page or for an
entire application.
To enable ASP.NET tracing on a local server
You can use tracing on a local server computer without enabling it for remote clients.
1. In Windows Explorer, browse to the root folder of the Windows SharePoint Services
extended virtual server, for example: local_drive:\InetPub\wwwroot\bin\.
2. Double-click the Web.config file.
3. In the Web.config file, search for the element.
4. In the element, add the following line:
5. Save and close the file.
The environment information now appears at the bottom of the test page that
includes the Web Part.
Creating Child Controls on a Web Part
Now that you’ve seen how to create a simple Web Part and how to debug a Web
Part you’re ready for the next level: creating child controls on a Web Part. This provides
you with the possibility to create more sophisticated Web Parts. This section
describes how to add TextBox and Button controls to a Web Part.
The first thing you need to do is to declare two member variables at the top of
the Web Part class named myTextBox and myButton, like this:
private TextBox myTextBox;
private Button myButton;
Tip Make sure you have added the System.Web.UI.WebControls namespace.