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HttpResponseBase Class

Serves as the base class for classes that provides HTTP-response information from an ASP.NET operation.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)

[<AbstractClass>]
type HttpResponseBase =  class end

The HttpResponseBase type exposes the following members.

  NameDescription
Protected methodHttpResponseBaseInitializes the class for use by an inherited class instance. This constructor can only be called by an inherited class.
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  NameDescription
Public propertyBufferWhen overridden in a derived class, gets or sets a value that indicates whether to buffer output and send it after the complete response has finished processing.
Public propertyBufferOutputWhen overridden in a derived class, gets or sets a value that indicates whether to buffer output and send it after the complete page has finished processing.
Public propertyCacheWhen overridden in a derived class, gets the caching policy (such as expiration time, privacy settings, and vary clauses) of the current Web page.
Public propertyCacheControlWhen overridden in a derived class, gets or sets the Cache-Control HTTP header that matches one of the HttpCacheability enumeration values.
Public propertyCharsetWhen overridden in a derived class, gets or sets the HTTP character set of the current response.
Public propertyContentEncodingWhen overridden in a derived class, gets or sets the content encoding of the current response.
Public propertyContentTypeWhen overridden in a derived class, gets or sets the HTTP MIME type of the current response.
Public propertyCookiesWhen overridden in a derived class, gets the response cookie collection.
Public propertyExpiresWhen overridden in a derived class, gets or sets the number of minutes before a page that is cached on the client or proxy expires. If the user returns to the same page before it expires, the cached version is displayed. Expires is provided for compatibility with earlier versions of Active Server Pages (ASP).
Public propertyExpiresAbsoluteWhen overridden in a derived class, gets or sets the absolute date and time at which cached information expires in the cache. ExpiresAbsolute is provided for compatibility with earlier versions of Active Server Pages (ASP).
Public propertyFilterWhen overridden in a derived class, gets or sets a filter object that is used to modify the HTTP entity body before transmission.
Public propertyHeaderEncodingWhen overridden in a derived class, gets or sets the encoding for the header of the current response.
Public propertyHeadersWhen overridden in a derived class, gets the collection of response headers.
Public propertyIsClientConnectedWhen overridden in a derived class, gets a value that indicates whether the client is connected to the server.
Public propertyIsRequestBeingRedirectedWhen overridden in a derived class, gets a value that indicates whether the client is being redirected to a new location.
Public propertyOutputWhen overridden in a derived class, gets the object that enables text output to the HTTP response stream.
Public propertyOutputStreamWhen overridden in a derived class, enables binary output to the outgoing HTTP content body.
Public propertyRedirectLocationWhen overridden in a derived class, gets or sets the value of the HTTP Location header.
Public propertyStatusWhen overridden in a derived class, gets or sets the Status value that is returned to the client.
Public propertyStatusCodeWhen overridden in a derived class, gets or sets the HTTP status code of the output that is returned to the client.
Public propertyStatusDescriptionWhen overridden in a derived class, gets or sets the HTTP status message of the output that is returned to the client.
Public propertySubStatusCodeWhen overridden in a derived class, gets or sets a value that qualifies the status code of the response.
Public propertySuppressContentWhen overridden in a derived class, gets or sets a value that indicates whether to send HTTP content to the client.
Public propertyTrySkipIisCustomErrorsWhen overridden in a derived class, gets or sets a value that specifies whether IIS 7.0 custom errors are disabled.
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  NameDescription
Public methodAddCacheDependencyWhen overridden in a derived class, associates cache dependencies with the response that enable the response to be invalidated if it is cached and if the specified dependencies change.
Public methodAddCacheItemDependencies(ArrayList)When overridden in a derived class, makes the validity of a cached response dependent on the specified items in the cache.
Public methodAddCacheItemDependencies(String[])When overridden in a derived class, makes the validity of a cached item dependent on the specified items in the cache.
Public methodAddCacheItemDependencyWhen overridden in a derived class, makes the validity of a cached response dependent on the specified item in the cache.
Public methodAddFileDependencies(ArrayList)When overridden in a derived class, adds file names to the collection of file names on which the current response is dependent.
Public methodAddFileDependencies(String[])When overridden in a derived class, adds an array of file names to the collection of file names on which the current response is dependent.
Public methodAddFileDependencyWhen overridden in a derived class, adds a single file name to the collection of file names on which the current response is dependent.
Public methodAddHeaderWhen overridden in a derived class, adds an HTTP header to the current response. This method is provided for compatibility with earlier versions of ASP.
Public methodAppendCookieWhen overridden in a derived class, adds an HTTP cookie to the HTTP response cookie collection.
Public methodAppendHeaderWhen overridden in a derived class, adds an HTTP header to the current response.
Public methodAppendToLogWhen overridden in a derived class, adds custom log information to the Internet Information Services (IIS) log file.
Public methodApplyAppPathModifierWhen overridden in a derived class, adds a session ID to the virtual path if the session is using Cookieless session state, and returns the combined path.
Public methodBinaryWriteWhen overridden in a derived class, writes a string of binary characters to the HTTP output stream.
Public methodClearWhen overridden in a derived class, clears all headers and content output from the current response.
Public methodClearContentWhen overridden in a derived class, clears all content from the current response.
Public methodClearHeadersWhen overridden in a derived class, clears all headers from the current response.
Public methodCloseWhen overridden in a derived class, closes the socket connection to a client.
Public methodDisableKernelCacheWhen overridden in a derived class, disables kernel caching for the current response.
Public methodEndWhen overridden in a derived class, sends all currently buffered output to the client, stops execution of the requested process, and raises the EndRequest event.
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodFlushWhen overridden in a derived class, sends all currently buffered output to the client.
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodPicsWhen overridden in a derived class, appends an HTTP PICS-Label header to the current response.
Public methodRedirect(String)When overridden in a derived class, redirects a request to the specified URL.
Public methodRedirect(String, Boolean)When overridden in a derived class, redirects a request to the specified URL and specifies whether execution of the current process should terminate.
Public methodRedirectPermanent(String)When overridden in a derived class, performs a permanent redirect from the requested URL to the specified URL.
Public methodRedirectPermanent(String, Boolean)When overridden in a derived class, performs a permanent redirect from the requested URL to the specified URL, and provides the option to complete the response.
Public methodRedirectToRoute(Object)When overridden in a derived class, redirects the request to a new URL by using route parameter values.
Public methodRedirectToRoute(RouteValueDictionary)When overridden in a derived class, redirects the request to a new URL by using route parameter values.
Public methodRedirectToRoute(String)When overridden in a derived class, redirects the request to a new URL by using a route name.
Public methodRedirectToRoute(String, Object)When overridden in a derived class, redirects the request to a new URL by using route parameter values and a route name.
Public methodRedirectToRoute(String, RouteValueDictionary)When overridden in a derived class, redirects the request to a new URL by using route parameter values and a route name.
Public methodRedirectToRoutePermanent(Object)When overridden in a derived class, performs a permanent redirection from the requested URL to a new URL by using route parameter values.
Public methodRedirectToRoutePermanent(RouteValueDictionary)When overridden in a derived class, performs a permanent redirection from the requested URL to a new URL by using route parameter values.
Public methodRedirectToRoutePermanent(String)When overridden in a derived class, performs a permanent redirection from the requested URL to a new URL by using a route name.
Public methodRedirectToRoutePermanent(String, Object)When overridden in a derived class, performs a permanent redirection from the requested URL to a new URL by using the route parameter values and the name of the route that correspond to the new URL.
Public methodRedirectToRoutePermanent(String, RouteValueDictionary)When overridden in a derived class, performs a permanent redirection from the requested URL to a new URL by using route parameter values and a route name.
Public methodRemoveOutputCacheItem(String)When overridden in a derived class, removes from the cache all cached items that are associated with the specified path.
Public methodRemoveOutputCacheItem(String, String)When overridden in a derived class, uses the specified output-cache provider to remove all output-cache artifacts that are associated with the specified path.
Public methodSetCookieWhen overridden in a derived class, updates an existing cookie in the cookie collection.
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
Public methodTransmitFile(String)When overridden in a derived class, writes the specified file to the HTTP response output stream, without buffering it in memory.
Public methodTransmitFile(String, Int64, Int64)When overridden in a derived class, writes the specified part of a file to the HTTP response output stream, without buffering it in memory.
Public methodWrite(Char)When overridden in a derived class, writes a character to an HTTP response output stream.
Public methodWrite(Object)When overridden in a derived class, writes the specified object to the HTTP response stream.
Public methodWrite(String)When overridden in a derived class, writes the specified string to the HTTP response output stream.
Public methodWrite(Char[], Int32, Int32)When overridden in a derived class, writes the specified array of characters to the HTTP response output stream.
Public methodWriteFile(String)When overridden in a derived class, writes the contents of the specified file to the HTTP response output stream as a file block.
Public methodWriteFile(String, Boolean)When overridden in a derived class, writes the contents of the specified file to the HTTP response output stream and specifies whether the content is written as a memory block.
Public methodWriteFile(IntPtr, Int64, Int64)When overridden in a derived class, writes the specified file to the HTTP response output stream.
Public methodWriteFile(String, Int64, Int64)When overridden in a derived class, writes the specified file to the HTTP response output stream.
Public methodWriteSubstitutionWhen overridden in a derived class, inserts substitution blocks into the response, which enables dynamic generation of regions for cached output responses.
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The HttpResponseBase class is an abstract class that contains the same members as the HttpResponse class. The HttpResponseBase class enables you to create derived classes that are like the HttpResponse class, but that you can customize and that work outside the ASP.NET pipeline. When you perform unit testing, you typically use a derived class to implement members that have customized behavior that fulfills the scenario you are testing.

The HttpResponseWrapper class derives from the HttpResponseBase class. The HttpResponseWrapper class serves as a wrapper for the HttpResponse class. At run time, you typically use an instance of the HttpResponseWrapper class to call members of the HttpResponse object.

.NET Framework

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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