Index_H

H

HEAD method, 204

HtmlDownloadForm sample program, 1314

HTTP (Hypertext Transfer Protocol)

Anonymous authentication, 311

asynchronous model for, 220228

authentication, 311315

Basic authentication, 312, 314

Certificate authentication, 312, 314

channels. See channels, HTTP

classes for, overview, 204205

connection management, 115, 228230

Digest authentication, 312, 314

error handling classes, 115

FileWeb classes, 116

Forms authentication, 312, 314

GET. See GET method

header options, 204-205

headers, Web service, 244247

Headers property, 205

HttpStatusCodes, 208210

HttpWebRequest. See HttpWebRequest class

HttpWebResponse. See HttpWebResponse class

Integrated authentication, 312, 314

Passport authentication, 313, 314

POST. See POST method

pre-authentication, 315

ProtocolError status, 208

proxy server classes, 116

proxy servers, 216218

request methods , 204205

request-response model, 241

security for, 311316

SSL with, 234, 316

System.Net classes supporting, 113116

verb management, 333334

Web service use of, 242244

WebExceptions, 207210

WebHeaderCollection objects, 205

HTTP channels. See channels, HTTP

HttpPost, 243

https . See SSL (Secure Sockets Layer)

HttpSoap, 243

HttpWebRequest class

asynchronous methods, 220228

authentication, 231, 313

BeginGet methods, 221226

cookies, 219220

Create method, 206

downloading files with, 113114

exceptions, 207210

GET method with, 210213

HTTP header properties, 204205

overview, 113114

POST method with, 213216

Proxy property, 216218

status codes, 208210

X.509 certificates with, 235

HttpWebResponse class

asynchronous methods, 220228

Close method, 207

cookies, 219220

downloading with, 113114

exceptions, 207210

GET method with, 210213

GetResponse method, 206207

HTTP header properties, 204205

HttpStatusCodes, 208210

overview, 113114

POST method with, 213216

purpose of, 206

response code, 207

streams, returning, 207