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DB Server Connection Management with ADO.NET Connected Data Access

Posted on 2013-12-27
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I am rewriting a 2006-era ASP.net application.  To maintain high platform migrate-ability, one option that I am looking at is ADO.NET connected data access  as described here:

http://msdn.microsoft.com/en-us/data/ff707264.aspx#_Toc261428884

Given that starting assumption, I am looking for additional information on how to manage server resources and connections in this approach.

Any guidance on this would be appreciated.

Thanks!
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Question by:codequest
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Assisted Solution

by:Surendra Nath
Surendra Nath earned 150 total points
ID: 39743187
A few inputs here...

1) if you re-writing your application, then please consider the below
          a) put all the database retrival stuff into a WCF and let it give the results, instead of actual ADO.NET
          b) Ensure that the access is done through stored procedures or functions but not by direct select statemets.

By doing so, you will website will have an API for further improvement.

And also I would suggest you to take a look at the entity framework, which has more capability than just ADO.NET.

Hope this helps.
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by:codequest
ID: 39752398
Thanks for the input.  Those are worth consideration.  Right now though, I'm looking for something more specifically related to my question, with the assumptions given.
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by:Bob Learned
ID: 39756079
What version of Visual Studio .NET do you have?
What type of web site are you planning (MVC, Web Forms, OWIN/Katana, ...)?
Do you know about Entity Framework?
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Accepted Solution

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apeter earned 350 total points
ID: 39756684
Hi,the article talks about two options, linq to SQL and entity framework. Which option you have opted for?

To manage resources in both above options, invoke dispose method on datacontext object to release the resources.
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by:codequest
ID: 39756726
Thanks for the inputs.   I'm using VS2013, MVC, and I know about EF.

The option I need to work out is "ADO.NET connected data access", the first option in the article.

The reason I'm going to work through this option first is that I want to maintain the lowest level of abstraction for both performance and migrate-ability.

While I appreciate the tip on the "dispose" method, I need to look at some contextual material on this to understand things like how many connections I'm going to have open, the cost of leaving connections open, the cost of opening and closing connections, etc.

I appreciate that EF resolves many of these questions, however, that's a different path that I won't pursue until I've more completely understood what it takes to manage ADO.NET connected data access.
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by:codequest
ID: 39811181
http://forums.asp.net/t/932515.aspx

Apparently best practice for ASP net SQL connections is to open and close them frequently, and the rule is open late close early.

That's kind of what I was looking for; in essence you don't manage connections you just open them use them and close them.

Unless someone disagrees I'm going to go with that answer thanks.
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by:codequest
ID: 39851406
I've requested that this question be closed as follows:

Accepted answer: 0 points for codequest's comment #a39811181

for the following reason:

most accurate
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Expert Comment

by:apeter
ID: 39850260
I guess that is what I have also stating.

"To manage resources in both above options, invoke dispose method on datacontext object to release the resources."
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by:codequest
ID: 39851408
I'll award points based on apeter's comment.
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