Thursday, May 22, 2008

#if DEBUG in ASP.NET 2.0 code behind

If you use an ASP.NET web site in your solution (another alternative is WAP - web application project) you may have noticed that there is no more compiler options in Configuration Manager that would have allowed you to add compiler constants like DEBUG. So the question pops up whether it's still possible to use very convenient way of excluding debug code from the production version by using #if preprocessor directive. Luckily it turns out that it's still supported and now it's related to a value of a "debug" attribute of a "compilation" element of the Web.config file. If you surround a part of your code with #if DEBUG ... #endif it will be included when debug="true" and excluded when debug="false".

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