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Editorial Team
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Asked: 2026-06-07T18:07:49+00:00

I am building a web application where a job submitted by user is handled

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I am building a web application where a job submitted by user is handled by a background service and the communication between web app and background service is done on database. So when a search starts, web application inserts a record into db and waits till the status field of the record changes. As I understand, if I implement this on the request thread, I am blocking one of the pool threads unnecessarily, but cannot get my head around to do this asynchronously. What is the best practice in this case?

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  1. Editorial Team

    If you are using SQL Server as your DB then you can use a ADO.NET feature called SQLDependency,

    What this dose when setup correctly is, when ever there is a change in table (which you will configure) a C# event will be raised.
    Here is a article that expains it

    Note: You will have to setup your SQL server to enable this.

    http://www.codeproject.com/Articles/12335/Using-SqlDependency-for-data-change-events

    And this one expains how to refresh page after data in table has changed

    http://msdn.microsoft.com/en-us/library/e3w8402y%28v=vs.80%29.aspx

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