... stored procedures (continued)editing, deleting, and executing withADO .NET, 575–578executing with ADO .NET Commandobject, 1 34 135executing and reading results in ADO .NET, 307–308executing from ... expressing with XSL, 40 2 40 4SUM function, using in SQL, 673switch statementfunctionality of, 41 42 versus goto statement, 44 switches, exiting with break statement, 44 Sybase databases, using ... classesdefined in, 546 hierarchy in ADO .NET, 232–233interfaces in ADO.NE, 238–239System.Data.Common namespace in ADO .NET diagram of, 2 34 functionality of, 131, 237, 239– 240 System.Data.dll assembly adding...