I have two lists List1 and List2. I have written code to update List2 item from ItemUpdating event of List1. This should fire ItemUpdated event of List2 but it does not. Below is the code I used to update List2 item.

var list = web.Lists["List2"];    
var item = list.GetItemById(Id);

item["City"] = "CityA";

List2 events fires when there is manual update in list but only failing in above case. What am I missing here?

  • 1
    You're not doing a web.EventFiringEnabled = false anywhere are you?
    – Submits
    Nov 27, 2015 at 10:08
  • Yes i've written this statement but it is for List1. Is it affecting List2 from firing its events?
    – Ashish
    Nov 27, 2015 at 10:21

1 Answer 1


You've stated that you're doing a web.EventFiringEnabled = false in the event receiver for List1.

This will disable event firing across your entire web, including for List2. This explains why your event receiver for List2 is not firing.

  • Thanks. I did not know that base.EventFiringEnabled will affect entire site collection. I think I will have to improve my code in order to prevent list item from firing ItemUpdated event.
    – Ashish
    Nov 27, 2015 at 11:23

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