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The Official Microsoft ASP.NET Site

In this tutorial we'll start from the very beginning and create the Data Access Layer (DAL), using typed DataSets, to access the information in a database.

15 Seconds : Tuning Up ADO.NET Connection Pooling in ASP.NET Applications

Opening a database connection is a resource intensive and time consuming operation. Connection pooling increases the performance of Web applications by reusing active database connections instead of creating a new connection with every request. Connection pool manager maintains a pool of open database connections. When a new connection requests come in, the pool manager checks if the pool contains any unused connections and returns one if available. If all connections currently in the pool are busy and the maximum pool size has not been reached, the new connection is created and added to the pool. When the pool reaches its maximum size all new connection requests are being queued up until a connection in the pool becomes available or the connection attempt times out.



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