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Asked: 2026-06-10T03:25:32+00:00

I’m very new to .NET, C# and SQL Server. I need to develop a

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I’m very new to .NET, C# and SQL Server.

I need to develop a socket application using C#. That application should insert, delete, update, etc the data in database with respect to some request.

I need to develop another windows service application using C# that sends the data in the database to the web application through http.

The both applications run in the same system. The database is SQL Server. Both the applications use the same database.

I am unsure if while one application is deleting or inserting data in the database, then is the other application still able to access the database at a same time.

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  1. Editorial Team

    Sql Server can handle multiple requests just fine. Each connected client gets a different spid.

    However, it is up to your sql server code (batches or sprocs) to handle data conceurrency issues via isolation levels and transactions. So in order to control one user reading data while others are updating, deleting etc…, you need to use isolation levels and locks.

    Isolation levels:

    http://msdn.microsoft.com/en-us/library/aa213034(v=sql.80).aspx

    Also: http://dbalink.wordpress.com/2008/05/27/isolation-levels-and-locks-in-sql-server-2005/

    Good writeup on transactions:

    https://web.archive.org/web/20210614153200/http://aspnet.4guysfromrolla.com/articles/072705-1.aspx

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