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Intercepting Database Query Commands

Ed Nutting asked:

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Hi all,

I have a Microsoft SQL Server database and I am using LINQ to SQL to interact with it in my ASP.Net C# 4.0 Website. What I would like to do is have a method that before a query is submitted to the database, grabs the command that will be sent and allows me to look at it. Basically, I am trying to see how efficient my commands/requests are so that I can make more bigger requests rather than lots of small ones. I realise this can be done using Microsoft SQL Server tools but I don't actually have access the the database server itself, only debugging tools for my code.

I have tried overriding the SubmitChanges method of my DataContext to see if there was any way I could get at the outgoing commands from within that but I can't seem to find one. I also looked at the GetCommand method, but I don't want to have to go through all my 50,000 lines of code putting GetCommand methods on every LINQ statement in site... Furthermore, these would not show me the actual outgoing commands as they would include cached objects.

Is what I'm trying to do possible? Can anyone offer any insight into how to do it?

Thanks very much,
Ed
Tags: C#, LINQ, Database Development, DataContext

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