The following will demonstrate how to update the SequenceNumber on an SPEventReceiver via Windows PowerShell.
First, we need to get a reference to the SPList that has our SPEventReceiver registered on it, which can be done with the following PowerShell sample:
PS C:\> $web = Get-SPWeb http://sharepoint2010 PS C:\> $list = $web.Lists["Shared Documents"]
We now have a reference to the "Shared Documents" library, set to variable $list. We can then display all the event receivers registered on the "Shared Documents" library by executing:
PS C:\> $list.EventReceivers
You will now see a list of all event receivers registered for the "Shared Documents" document library. The output will be similar to the following:
Id : ce9f574e-1c7a-4f4e-9670-0420765bc291 Name : Sample Event Receiver SiteId : e6ff4ed6-2e67-4f58-a4c2-0e162b520a7a WebId : 419b5b6f-d7fa-44cb-8bb6-daafc7219d60 HostId : 9810722d-58bc-4ae7-85c9-6573bea10c0e HostType : List ParentHostId : 00000000-0000-0000-0000-000000000000 ParentHostType : Site Synchronization : Synchronous Type : ItemAdding SequenceNumber : 10000 Assembly : Microsoft.SharePoint.Sample.EventReceiver, Version=22.214.171.124, Culture=neutral, PublicKeyToken=a53c319f89b035f3 Class : Microsoft.SharePoint.Sample.EventReceiver.SampleEventReceiver
We can now use the Id value from the output above and bind to a specific event receiver, which we need to do because we could have more than one event receiver registered on a this list.
PS C:\> $eventReceiver = $list.EventReceivers[[GUID]"ce9f574e-1c7a-4f4e-9670-0420765bc291"]
You could also use the zero-based index of the event receiver, like in this example:
PS C:\> $eventReceiver = $list.EventReceivers
We now have a reference to the event receiver we are trying to update, set to the $eventReceiver variable. We can update the SequenceNumber value from the current value of 10000, to our new value of 50000.
PS C:\> $eventReceiver.SequenceNumber = 50000 PS C:\> $eventReceiver.Update()
The sequence number is now updated and saved on our list event receiver.
This example will update the sequence number on a web event receiver.
PS C:\> $web = Get-SPWeb http://sharepoint2010 PS C:\> $web.EventReceivers PS C:\> $eventReceiver = $web.EventReceivers PS C:\> $eventReceiver.SequenceNumber = 10002 PS C:\> $eventReceiver.Update()