System.Web.HttpResponse

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System.Web.HttpResponse

The System.Web.HttpResponse class (or response intrinsic object) enables access to the HTTP response stream as it is being formed . This class writes information to the client browser. Table A.11 shows the properties of the HttpResponse class, and Table A.12 shows its methods .

Table A.11. Properties of the System.Web.HttpResponse Class

Property Name	Description
Buffer	Gets or sets a value that indicates if the output stream should be buffered before sending or not.
BufferOutput	Gets or sets a value that indicates whether the output stream should be buffered before sending after the page completes processing.
Cache	Gets the caching properties of the page (expiration time, privacy, and vary clauses).
CacheControl	Sets the CacheControl HTTP header to Public or Private.
Charset	Gets or sets the HTTP character set of the output stream.
ContentEncoding	Gets or sets the character (or maybe content) encoding of the output stream.
ContentType	Gets or sets the MIME type for the output stream.
Cookies	Gets the HttpCookie collection sent by the response.
Expires	Gets or sets the number of minutes before a page cached on a client browser expires.
ExpiresAbsolute	Gets or sets the date and time when cached content on the client browser expires.
IsClientConnected	Gets a value indicating if the client is still connected to the server.
Output	Enables output of text to the outgoing response stream.
OutputStream	Enables binary output to the outgoing response stream. Used for methods that require a System.IO.Stream object reference to be written to.
StatusCode	Gets or sets the HTTP status code of the output returned to the client. The default is 200.
StatusDescription	Gets or sets the HTTP status string of the output returned to the client.
SuppressContent	Gets or sets a value indicating whether to send HTTP content to the client.

Table A.12. Methods of the System.Web.HttpResponse Class

Method Name	Description
AddCacheItemDependencies	Accepts an array of keys to other cache items, making the validity of a cached item dependent on various other items in the cache.
AddCacheItemDependency	Makes the validity of a cached item dependent on another item in the cache.
AddFileDependencies	Adds a group of filenames to the collection of filenames on which the current response is dependent.
AppendHeader	Adds an HTTP header to the output stream.
AppendToLog	Adds custom information to the IIS log file.
ApplyAppPathModifier	Appends the session ID to the virtual path .
BinaryWrite	Writes binary information to the output stream.
Clear	Clears buffered information from the output stream.
ClearContent	Clears all buffered content output from the output stream.
ClearHeaders	Clears all buffered headers from the output stream.
Close	Closes the socket connection to a client.
End	Sends all buffered output to the client and stops execution of the page.
Flush	Flushes buffered content.
Pics	Appends a Platform for Internet Content Selection (PICS)-Label HTTP header to the output stream.
Redirect	Directs the client to a new URL.
RemoveOutputCacheItem	Removes all cached items related to the specified path from the cache.
Write	Writes the specified values to the output stream.
WriteFile	Writes a file directly to the output stream.

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