ViewCalendar.aspx, 269
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validation
on e-mail message pages, 287
overview, 173
pattern matching, 175
required field validation, 174, 177 78, 179, 180
server validation, 180
of settings in Properties window, 56
of user input in guestbooks
comments field, 179 81
format of e-mail field, 178 79
overview, 173
validator controls, 174 75, 177, 178 79
validator controls
for e-mail message pages, 287
for guestbook pages, 174 75, 177, 178 79
security and, 315
for sending pictures as e-mail message pages, 297
VarChar and Char data types, 151 52, 212
variable declarations
tenets of OOP, 24 25
when building slide lists, 68 69
VB.NET. See Visual Basic .NET
VBScript events, 60
View Guestbook pages, 172 73, 187 91
ViewCalendar.aspx, 269
ViewGuestbookGrid.aspx, 171 73
ViewGuestbookList.aspx, 187 91, 200 201
ViewGuestbookList_Repeater.aspx, 202 3
views of documents, switching, 50 51
viewstate
maintaining slide numbers in, 71 74
maintaining values during round trips, 146
overview, 72 73
virtual paths, 107
virtual root, configuring IIS for, 322, 323 24
virtual server (SMTP)
installing and configuring, 279 84
overview, 278 79
virus checkers, 310
visitors. See also user input; user preferences
adding entries to guestbooks, 167 70
anonymous, 310 12, 315
authenticating using login forms, 315 17
Visual Basic events, 60
Visual Basic .NET
syntax of, 23
tenets of OOP, 23 28
using with Web Matrix, 20 21
Visual Studio .NET compared to Web Matrix, 20
vulnerabilities, 306, 309. See also security
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