How to: Enable Script Debugging in Internet Explorer
Before you can use Visual Studio to debug script running in Internet Explorer, you must enable script debugging in Internet Explorer. Script debugging in Internet Explorer is disabled by default.
To Enable Script Debugging in Internet Explorer
In Internet Explorer, choose Internet Options from the Tools menu.
In the Internet Options dialog box, click the Advanced tab.
On the Advanced tab, under Browsing, clear Disable Script Debugging.
Click OK.
See Also
Concepts
Understanding ASP Script Processing
Reference
Debugging Script Objects in ASP Pages