Article ID: 813340 - View products that this article applies to.
When you compile some code, it may have valid Microsoft intermediate language (MSIL). However, when you run the compiled application, you receive the following Unhandled Exception error message:
If optimization is turned off, this exception error does not occur.
System.NullReferenceException: Object reference not set to an instance of an object.
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.
Note You must have a Visual Studio license agreement to obtain this hotfix.
To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
To reproduce this problem, use the C compiler, CL, to compile the following sample code, and then run the compiled application.
For more information about the terminology that is used to describe Microsoft product updates, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 813340 - Last Review: October 21, 2005 - Revision: 2.4