error when i used unsafe keyword in asp.net c#

i used unsafe inside class but its not working. It gives error :

Unsafe code may only appear if compiling with /unsafe.

May i know how to use unsafe keyword in asp.net(visual studio 2008)开发者_如何学Go page.

Asp.net c#

Thank you.

Try adding /unsafe to the conditional compilation symbols under the Build tab in the project properties.

If you use "unsafe" keyword within your project you need to include /unsafe upon compilation. This tells the JIT compiler to compile the unsafe code and allow it to run.

In Visual Studio (2005 - 2010), on the Project Properties page, in the Build tab, there's a checkbox that says "Allow unsafe code". You need to check this, and then re-build your project.