objects, 77, 78
properties, 81
Rayne (dog) example, 78–82
scope, 83–84
Object s (C#), 55
ObjectDataSource object, 470
objects
behaviour, 77
declaring, 78
definition, 77
disposal, 577
events, 77, 84
fields, 77
in .NET, 85–87
methods, 77
properties, 77
state, 77
OnCheckChanged attribute, 107
OnClick attribute, 52, 53, 54, 105
OnClick property, 224, 249
OnCommand attribute, 54
OnDataBinding attribute, 54
OnDisposed attribute, 54
one-to-many relationships, 288–290
one-to-one relationship, 288
OnInit attribute, 54
OnItemUpdating property, 472
OnLoad attribute, 54
OnModeChanging property, 472
OnPreRender attribute, 54
OnSelectedIndexChanged property,
472
OnUnloaD attribute, 54
OOP (see object oriented programming)
Open Table Definition, 270
OpenText method, 580, 581
operators, 68–70
definition, 68
to break long lines of code, 70
to combine lines of code, 70
operators (SQL), 311–313
OR operator, 312
ORDER BY clause
for sorting query results, 306–307
specifying, 475
ORDER BY... button, 474
out parameters, 349
overwriting text, 578
P
page
definition, 56
Page class, 95
documentation, 86
page counter, 181
page counters, 174–180
Page directive, 36, 47, 91, 134
page events, 56–58
order of execution, 57
subroutines, 56
page templates, 132–135
Page.IsValid property, 225, 226, 242,
245
Page_Init event, 56
Page_Load event, 56
Page_Load method, 181, 335, 361,
366, 369, 410, 430
Page_PreRender event, 56
Page_UnLoad event, 57
PageIndex property, 505
PageIndexChanging event, 504
PageIndexChanging event handler, 505
PagerStyle, 477
pages element, 194, 195
PageSize, 477
paging, 478, 504–506
paging buttons, 477
Panel control, 109–110, 123, 625
parameters, 346
in functions and subroutines, 67
out, 349
use with queries, 344–350
parent tag, 355
678
Index
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