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Page 691
UDP (User Datagram Protocol) sockets, 292, 294, 295–297
UDPClient application, 296–297
UDPServer application, 295, 295–296
UIPermission code access permission, 252
UnauthorizedAccessException, of Open method, 220, 222
''An unhandled exception of type
'System.Runtime.InteropServices.COMException' ..."
error message, 95
unhandled exceptions, 216
Universal Description, Discovery, and Integration (UDDI), 336–337
Unix, grep utility, 582
UnknownAttribute event, when deserializing XML stream, 501–502
UnknownElement event, when deserializing XML stream, 501–502
unmanaged code, 462
Update method, of DataAdapter, 400, 404, 425, 428–430
UPDATE statement (SQL)
from DataAdapter configuration wizard, 406
DataAdapter task for, 404
UpdateCommand property, of DataAdapter, 404
UpdateRule property, 431
upgrading applications, 244
Internet-based deployment and, 246
UploadData method, of WebClient class, 309–310
UploadFile method, of WebClient class, 310
uploading documents, with WebClient, 312–313
UploadValues method, of WebClient class, 310
URL membership condition, 256
URLs (Uniform Resource Locators), for namespaces, 480
UseDeadLetter Queue property, of Message class, 351
User Datagram Protocol (UDP) sockets, 292, 294, 295–297
user interface
DataGrid control and, 396, 399
fading transitions, 637, 637–640
focus group for guidelines, 626
metallic shading, 635–636, 636
reliability of applications, 623–626, 624
slide transitions, 640, 640–641
Windows conventions, 626–634
depth, 627–628
FontBold off, 627
framing, 630–634
layering, 627
light from upper left, 628–629
metallic look, 626–627
sans serif font for headlines, 627
type size, 627
zones, 629
User Interface Editor, 262, 267–270
user level for security policy, 251
users, 122
User's Programs Menu, adding application to, 267
validation, 282–285
in ASP.NET, 282–285
controls, 283–285
programmatic, 282–283
controls, 283–285
of data, 225
programmatic, 282–283
ValidationSummary control, error messages, 284
Value property
of Match class, 550
of Parameter object, 410
of XMLReader object, 478
value types, 14
ValueMember property, for binding controls, 509
variables
displaying, 17
forcing declaration, 232–233
initialization, 30
public, to reference form, 45
scope of, 239
Variants, 17
velocity of escape, and fractal color, 614–615
verification
of method argument lists, 121
and performance, 125
Version property, of Setup Project, 266
vertical alignment of string, 169
views, for table editing, 426
Visual Basic
beginnings, 1
changes for .NET, 1–2
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