ASP.NET Sql Server Connection
The SqlConnection object plays a vital role in facilitating the physical communication between an ASP.NET application and a SQL Server database. It serves as a crucial component within the Data Provider for SQL Server Database, enabling seamless data exchange between the application and the database.
When an instance of the SqlConnection class is created in an ASP.NET application, it establishes a reliable and secure connection to the SQL Server database. This connection acts as a conduit for executing SQL commands and queries, allowing the application to retrieve or manipulate data stored in the database. The execution of SQL commands is made possible with the assistance of the Command Object, which works in conjunction with the SqlConnection to carry out database operations.VB.Net
Once the desired database activities, such as data retrieval or modification, are completed, it is essential to properly close the SqlConnection. The Close() method provided by the SqlConnection class serves this purpose, allowing for the graceful termination of the database connection. When the Close() method is invoked, any pending transactions are rolled back, ensuring data integrity, and the connection is released from the SQL Server database. By closing the connection, valuable data source resources are freed, promoting efficient resource management within the application.
The following ASP.NET program connect to a database server and display the message in the Label control.web.config
You have to fill appropriate web.config database parametersDefault.aspx
The SqlConnection object serves as a critical component in establishing and managing the communication between an ASP.NET application and a SQL Server database. It enables the execution of SQL commands and queries, facilitating the retrieval and manipulation of data. Once the necessary database operations are completed, the Close() method should be called to close the database connection, rollback any pending transactions, and release the database resources, promoting efficient and secure data access within the application.