SqlCommand « ADO.net Database « ASP.NET Tutorial

18.3.1.Create SqlCommand from sql statement and connection
18.3.2.Executing a Command
18.3.3.Executing a Command with Parameters
18.3.4.Returning a Single Value
18.3.5.Read scalar data by using SqlCommand
18.3.6.Execute insert command by using SqlCommand
18.3.7.Execuate select command by using the SqlCommand
18.3.8.Execute update command
18.3.9.Attach SqlCommand to DataGrid

18.3.10.Pass a CommandBehavior.CloseConnection parameter to the ExecuteReader() method.
18.3.11.Executing Asynchronous Database Commands
18.3.12.Avoid SQL injection
18.3.13.Avoid SQL Injection attack
18.3.14.Browser Snoop