If I recall correctly, you can use the Contains extension method (http://msdn.microsoft.com/en-us/library/system.linq.enumerable.contains%28v=vs.100%29.aspx). It should get converted to the appropriate
This article aims to explain the working of CircularLogArchiver. This tool was designed to solve the buildup of log file in cases where systems do not support circular logging or where circular logging is not enabled
Using examples as well as descriptions, and references to Books Online, show the documentation available for date manipulation functions and by using a select few of these functions, show how date based data can be manipulated with these functions.