Comments on: Using SqlDependency To Monitor SQL Database Changes

By: Nana Hagge

Nana Hagge — Fri, 27 Jan 2012 11:39:51 +0000

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By: Ryan Alford

Ryan Alford — Wed, 17 Nov 2010 12:49:57 +0000

Thanks Jimmo. I will look into these changes and update the post.

By: Jimmo

Jimmo — Wed, 17 Nov 2010 05:12:13 +0000

You create the queue and service [NameChangeQueue/Service] but your not actually using it, instead SQL is creating a queue for you, called [SqlQueryNotificationService-[GUID]]. To use the queue you initially created you need to modify your code:

SqlDependency.Stop(connectionString, “NameChangeQueue”);
SqlDependency.Start(connectionString, “NameChangeQueue”);

and:

SqlDependency dep = new SqlDependency(cmd, “service=NameChangeService; Local database=DATABASE_NAME”, 0);

This will then use the named service and queue you created.

cheers

By: Ryan Alford

Ryan Alford — Fri, 21 May 2010 14:14:14 +0000

Glad to help you out.

By: Mr.Jelda

Mr.Jelda — Fri, 21 May 2010 11:33:09 +0000

Great! I was stuck on problem since Onchange didn’t fire as it should before read this post.

I’ve read all the posts from the internet. Finally with no hope, I compared my code to yours. Tada! How’s the hell I forgot to pass ‘cmd’ as SqlDependency constructor. Funny me ^^! Thank you.