LastItemModifiedDate Property
The LastItemModifiedDate property of the SPWeb class gets the date and time that an item was last modified in the site.
Property Value
A System.DateTime object that indicates when an item was last modified.
Remarks
The LastItemModifiedDate property applies only to sites returned by using one of the GetSubwebsForCurrentUser methods of the SPWeb class.
Requirements
Platforms: Microsoft Windows Server 2003
Security: Code Access Security