SharePoint 2013 Asynchronous event handler executing synchronously (under wpw3 instead of owstimer)
问题 I created a custom list event handler using Visual Studio 2013 , for ItemAdded and ItemUpdated events. I totally expected those to execute under OWSTIMER.EXE as I do not want to add load to W3wp.exe , since the actions I need to perform in the ER will be rather heavy. However, in debug mode I noticed that it would only hit my Breakpoints by attaching to the W3wp.exe . I even configured the event receiver to be asynchronous in the XML expecting this would force them to run under OWSTimer but