Around a connection and a transaction, though, a number of choices lie they are all important and critical to the health and effectiveness of the application. To create a transaction, you can either instantiate a transaction object over an existing connection or explicitly execute a BEGIN TRAN SQL statement. To create a connection, that is to establish a physical link with the backend database, you instantiate the connection object on a particular.
Ado net sql server connection string free#
You should never rely on the garbage collector to silently free connection objects.ĪDO.NET comes with a bunch of objects that represent the various logical entities of a data access model?connection and transaction in particular. You must close the connection object to make it return to the pool.
NET application?Windows Forms, ASP.NET, or Web services?data access is concentrated in the back end of the system and is implemented using a common programming interface?the ADO.NET object model. No matter which technology you use for each tier of your. In this article, you'll learn about common best practices for using three key element of any data access strategy: connections, security, and transactions.ĭatabase connections, data access security, pooling, and transactions are all key elements of any real-world enterprise distributed application. But, ADO.NET is not designed to be an out-of-the-box tool that reduces any programming work to just point-and-click. Based on years of real-world experience with ADO, ADO.NET provides a richer set of more powerful tools. To get the most out of ADO.NET classes, developers must fully understand the model and study a few best practices.
Ado net sql server connection string software#
ADO.NET is a powerful toolbox but it's not a software magic wand.
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