Nóta
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað aðskrá þig inn eða breyta skráasöfnum.
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað að breyta skráasöfnum.
The topics in this section describe some basic aspects of how you establish and maintain communication with the database.
In This Section
How to: Connect to a Database
Describes how to use the DataContext class to connect to a database.
How to: Directly Execute SQL Commands
Describes how you can use ExecuteCommand to send SQL-language commands.
How to: Reuse a Connection Between an ADO.NET Command and a DataContext
Provides examples of how to use an existing ADO.NET connection in a LINQ to SQL application.