Index

E

early binding vs. late binding, 6265

function overloading and, 6263

overview of, 62

returning values from functions, 6365

EditButtonColumn control, 332

Edit menu, 27

Edit System Variable dialog box, 579

elements, 116, 19092. See also configuration elements

else statements, 67

e-mail capacity, adding to Web applications, 24651

Enable attribute, <processModel>, 554

EnableClientScript property, BaseValidator, 264

enabled attribute, <trace>, 520

Enabled property, BaseValidator, 264

enableKernelOutputCache attribute, <httpRuntime>, 523

EnableSessionState attribute, @Page directive, 196

enableSessionState attribute, <pages>, 533

enableVersionHeader attribute, <httpRuntime>, 523

enableViewState attribute, <pages>, 533

EnableViewStateMac attribute, @Page directive, 196

enableViewStateMac attribute, <pages>, 402, 533

encapsulation, 84

encryption

password storage and, 149

SSL, 165, 428

end user license agreement (EULA), 568

enumerations

declaring, 60

RegLogin example, 375

as value data type, 53

Environment Variables, 579

equality operator (==), 59

error handling

adding, 8082

checking return values, 78

error types, 77

structured, 7880

throwing exceptions, 79

Web Form pages, 224

ErrorMessage property, BaseValidator, 264

error messages

ASP classic, 48384

ASP.NET, 496

ErrorPage attribute, @Page directive, 196

errors

404-Not Found errors, 11823

logic errors, 492

runtime errors, 49192

semantic errors, 491

syntax errors, 491

types of, 77

<errors> child element, <customErrors>, 53536

EULA (end user license agreement), 568

EventArgs, 369, 371

event-based programming, 508

event handlers

ASP.NET, 191, 36970

controls, 22324

DataGrid controls, 33940

DataList controls, 34344

overview of, 22021

Page_Error, 224

Page_Load, 220

postbacks, 382

server controls, 37071

Web applications, 45

Web Form pages, 22123, 227

event keyword, 370

EventName, 37071

events

creating, 36970

execution order, 37273

overriding inherited, 37172

raising, 36970

RegLogin example, 38286

exception handling. See error handling

ExecuteReader method, SqlDataReader, 322

ExecuteScalar method, OleDbCommand, 296

ExecuteXmlReader, 294

execution Timeout attribute, <httpRuntime>, 523

exiting Visual Studio .NET, 2930

expiration, caching, 45657

Explicit attribute, 196, 527

expressions, 5051

extension attribute, <compilation>, 529