Index_B

B

Backcolor property, 153

BackColorChanged event signature, 69

Backspace key, 213

Base Edit form, 111–113, 184–186

basic functionality, adding, 95–120

adding finishing touches, 108–110

adding sorting functionality to ListView, 97–100

creating Add/Edit form, 111–119

Base Edit form, 111–113

overview, 111

Region Edit form, 113–119

saving object's changes, 119

deleting objects, 119–120

implementing Find functionality, 96–97

implementing Print functionality, 101–108

New frmListBase constructor, 107–108

overview, 101

Print method, 101–102

printing data, 106–107

PrintPage method, 102–106

overview, 95

BeginUpdate method, 92

bin directory, 95

binary data, 25

binary messages, 48

BinaryFormatterSink class, 48

Binoculars image, 223

BitArray object, 229, 230

[blank] flag, 295

BlinkRate property, 188

BlinkStyle property, 188

BookList class, 418

BookListMgr class, 418–419

Bottom, Left value, 184

BrokenRule (Event) method, 274

BrokenRules class, 171–174

BrokenRules method, 256

BrokenRules object, 435

Build Action property, 232, 553

building and deploying application, 94–95

business logic

misplacement in presentation layer, 8

in n-tier architecture, 6, 7, 10, 12

user-centric, 9

business logic layer, 7–9

business objects, building, 159–193

adding business rules to data-centric objects, 166–171

adding business rules to user-centric objects, 171–180

implementing BrokenRules class, 173–174

returning business rules to user interface, 179

trapping business rule violations, 175–179

using BrokenRules class, 171–173

business rule types, 159–160

creating BusinessErrors class, 165–166

creating Error classes, 164–165

creating first rule, 161

displaying business rules to user, 180–186

handling edit cancellations, 191–192

.NET Exception classes, 161–163

overview, 159

reporting business rule violations, 160–161

responding to object changes in user interface, 186–191

business rule attributes, data-centric, 427

business rules

See also server-side business rules

adding to data-centric objects, 166–171

adding to user-centric objects, 171–180

adding to user-centric objects

BrokenRules class, 171–174

returning business rules to user interface, 179

trapping business rule violations, 175–179

checking with custom attributes, 432–435

creating, 161

definition of, 160

determining, 314–316

displaying to user, 180–186

implementing using custom attributes, 420–437

assigning data-centric business rule attributes, 427

checking business rules with custom attributes, 432–435

creating BusinessRules project, 420–421

creating DisplayNameAttribute class, 424

creating ITest interface, 421–422

creating MaxLengthAttribute class, 426

creating NotEmptyAttribute class, 425

creating NotNullAttribute class, 422–424

implementing user-centric business rule attribute classes, 435–437

overview, 420

retrieving list of business rules, 427–432

importance of, 308

reporting violations, 160–161

retrieving list of, 427–432

trapping violations, 175–179

types of, 159–160

Business Rules value, 182

BusinessBase class

consolidating code, 276–277

IsDirty method of, 366

Validate method of, 436, 437

ValidateAndThrow method of, 436, 437

BusinessEntityCollection, 476

BusinessError method, 433

BusinessErrors class, 165–166, 169, 427

BusinessInfo object, 480

BusinessKeys, 480

BusinessRules project, creating, 420–421

button object, Click event of, 69

ByRef variable, 52, 115, 169, 268, 371, 386

ByVal variable, 52, 268