Whidbey ADO.NET System.Transactions Distributed Transactions

re: Whidbey ADO.NET System.Transactions Distributed Transactions

Kristof — Tue, 06 Jul 2004 19:50:00 GMT

I'm curious. How does automatic enlisting technically work? How does sqlconnection1 know it must register with transactionscope1 or how does transactionscope1 know that sqlconnection1 exists?
Is there some special, inaccessible feature used to make this work or can you write something like this yourself?

re: Whidbey ADO.NET System.Transactions Distributed Transactions

Christian Weyer — Tue, 06 Jul 2004 20:00:00 GMT

You should mention that this is NOT a feature of ADO.NET - au contraire. Anybody can use System.Transaction in their code without even thinking about ADO.NET ... and yes: it is a GREAT feature.

Whidbey System.Transactions

Sam Gentile's Blog — Tue, 06 Jul 2004 23:48:00 GMT

re: Whidbey ADO.NET System.Transactions Distributed Transactions

Angel — Tue, 06 Jul 2004 21:27:00 GMT

Christian Weyer,
You are completelly correct, the System.Transactions team is part of the Enterprise Services and they did all of the hard work related to getting distributed transactions to work and most of the work of integrating into managed code. The ADO.NET team has worked hard in integrating their work into our providers and that is the part that I am blogging about. If I tried to go over the System.Transaction part I would have to write a book rather than a blog!

Kristoff,
Very good comment, I will blog something on this later this week to give a more complete explanation. For now I will just say that every time we open a connection where Enlist=true (the default) we will look for a Context Util or System.Transaction Transaction.Current. When this is set we will automatically enlist. If you want to do this yourself take a look at the second example where we manually enlist the connection into an existing dtc.

re: Whidbey ADO.NET System.Transactions Distributed Transactions

Bill — Wed, 07 Jul 2004 20:12:00 GMT

Regarding Christian's comment - definitely right on this but the db component is completely amazing. There's no part of this thing that doesn't totally kick a33 - and the support for Message Queues was perfect icing on the cake.

Geek Notes 2004-07-07

Geek Noise — Thu, 08 Jul 2004 00:50:00 GMT

Lots of great stuff on transactions

Christian Weyer: Smells like service spirit — Tue, 13 Jul 2004 12:19:00 GMT

System.Transactions in Whidbey

Kevin Cunningham's Blog — Fri, 05 Nov 2004 09:24:00 GMT

System.Transactions in Whidbey

Kevin Cunningham's Blog — Fri, 05 Nov 2004 20:44:00 GMT

Oliver Sturm's weblog » Taking part in a System.Transactions transaction

TrackBack — Mon, 07 Feb 2005 22:14:00 GMT

Oliver Sturm's weblog » Taking part in a System.Transactions transaction

re: Whidbey ADO.NET System.Transactions Distributed Transactions

Diego Vega — Fri, 19 May 2006 00:42:07 GMT

We have a database server with Windows 2000 SP4 and we still get an error messages saying that DTC network access is disabled. We are still investigating, but this seems to be related to bulletin MS05-051. That is, a patch seems to have disabled a number of things related to DTC. As you know, in Windows 2000 there is no GUI for configuring DTC network access. Do you think you could give me a hint on how to solve this? Thank you.

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Whidbey ADO.NET System.Transactions Distributed Transactions

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Whidbey ADO.NET System.Transactions Distributed Transactions

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