487
<> syntax, 207
%x descriptor, 422
A
Abs function, 169
Abstract attribute, 469
abstract classes
and sealed classes, 137
overview, 130–131
Account class, 14
in bank example, 238–240
AddAccount method, 240
Add function, 221
addition operator (+), 30
Add method
in bank example, 240–241
Add New Item dialog box, 107
Add New Reference button, 461
add_OnFirstEvent method, 256
addresses, WCF, 355
Add Service dialog box, 364
AddServiceEndpoint, 363
ADO.NET
assemblies, 336
connected application, creating
connecting to database, 337–341
creating and executing command, 340–341
executing command that modifies data, 341–342
executing queries and processing results, 342–
343
overview, 336–337
data providers, 334–335
disconnected application, creating, 344–345
disconnected operation using DataSet, 345–350
namespaces, 335
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