Index_V

V

Validate method

BaseValidator class, 203

Page class, 127

ValidateLogin method, UsersDB Business object, 1236

validateRequest attribute, <pages> element, 628

ValidateRequest attribute, Page directive, 145

ValidateRequest method, HttpRequest class, 129

validation attribute, <machineKey> element, 675

validation controls, 14, 175, 201

BaseValidator class, 203

canceling page validation, 210

checking page validity, 210

implementation example, 204

spoofed values, handling, 202

Validation controls, mobile controls, 1105

implementation example, 1106

ValidationEventHandler object

XML data management, validation using, 543, 544

XML document validation, 538

ValidationExpression property, RegularExpressionValidator control, 203, 207

validationKey attribute, <machineKey> element, 675, 715

ValidationSummary control, 202

client-side validation, 202

properties

DisplayMode, 203, 209

ShowHeaderText, 203

ShowMessageBox, 203, 209

ShowSummary, 203, 209

validation controls, implementation example, 209

ValidationType property, XMLValidatingReader class, 538

Validators property, Page class, 127

Value property

DataItem class, 271

ListItem class, 193

Unit class, 222, 223

value types

allocated on the stack, 42

boxing/unboxing, 43

example, 42

ValueType class, derived from, 42

ValueToCompare property, CompareValidator control, 203, 206

ValueType class

CLR value types, basis for, 42

variable declarations, 109

Variant data type, VBScript, 1171

VaryByControl attribute, OutputCache directive, 149

page caching by browser, 154

VaryByHeader attribute, OutputCache directive, 149

VaryByParam attribute, OutputCache directive, 149, 154, 165

VBScript, 16, 70

verb attribute

<add> element, 663

versioning

assemblies, 879

metadata, assembly manifests , 880

ViewState, 14, 933

ArrayList objects, storing, 765

data store example, 122

HTML server controls, 181

implementation example, 134

list controls, use with

persisting values automatically, 314

preventing persisting values, 314

ViewState size control, 313

optimization tips, 1251

Page directive, enabling/disabling using, 134

postback, viewing, 927

server controls, 926

data type support, 933

information persistence, 142

TextBox control, use with, 928

Web forms, use with, 133

ViewState property, Control class, 927

virtual directories, 562

see also physical directories.

definition, 562

IIS, within

creation, 563

folders list, 563

MMC snap-in, use of, 563

sample ASP.NET page example, 19

Visible attribute,

Form mobile controls, 1077

HtmlControl class, 176

HtmlInputHidden control, 190

WebControl class, 216

VisibleDate property, Calendar mobile controls, 1102

Visual Basic

disadvantages, 71

Visual Basic .NET, 71

C#, compared to, 861, 890

CLR, use with, 71

CLS, support for, 71

common types, 39

compiler, 100

data type conversions, 114

feature changes, 80

backward compatibility, 85

data types & structures, 83

debugging, 85

parameter handling, 84

references, 82

structured exception handling, 82

For...Each...Next statement, 760

functions/procedures, declaring, 110

looping, 111

language changes, 1170

default properties, not allowed, 1173

explicit type conversion, 1172

method arguments, 1173

methods , 1172

Set/Let keywords, lack of support for, 1173

single & multiple lines, 1173

variables & strong typing, 1171

variant & data type conversion, 1171

.NET Framework, supplied with, 70

object orientated programming features,72, 890

classes, 72

constructors, 76

destructors, 77

inheritance, 78

interfaces, 79

methods, 73

properties, 75

OptionExplicit statement, 855, 1254

OptionStrict statement, 855, 1254

P/Invoke syntax, parameters, 1188

sample business object, 853859

testing, 864

serviced components , creation example, 873, 874

simple control example, 890

variable declarations, 109

VBScript, replacement for, 70

Visual InterDev, editing/debugging with, 61

Visual J#, 70, 99

Visual Studio .NET

Visual Studio.NET, 6, 71

.NET Framework, creating applications for, 71

Add Web Reference dialog, 1010

ASP.NET, creating applications with, 8

Codebehind attribute, 962

code-behind, use of, 150

COM objects, using from .NET, 1178

debugging, 1141

Edit-and-Continue, 1141

remote debugging, 1142

good tool support, 62

Imports keyword, 38

installation, 68

Component Updates, 7

MDAC, requirement of, 2

Service Releases, 8

languages, choosing, 8

proxy classes, creation of, 10091013

component referencing, 1009

VolumeSeperatorChar constant, Path class, 818