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HttpResponseBase Class

.NET Framework 4

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

System.Object
  System.Web.HttpResponseBase
    System.Web.HttpResponseWrapper

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)
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public abstract class HttpResponseBase

The HttpResponseBase type exposes the following members.

  Name Description
Protected method HttpResponseBase Initializes the class for use by an inherited class instance. This constructor can only be called by an inherited class.
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  Name Description
Public property Buffer When 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 property BufferOutput When 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 property Cache When overridden in a derived class, gets the caching policy (such as expiration time, privacy settings, and vary clauses) of the current Web page.
Public property CacheControl When overridden in a derived class, gets or sets the Cache-Control HTTP header that matches one of the HttpCacheability enumeration values.
Public property Charset When overridden in a derived class, gets or sets the HTTP character set of the current response.
Public property ContentEncoding When overridden in a derived class, gets or sets the content encoding of the current response.
Public property ContentType When overridden in a derived class, gets or sets the HTTP MIME type of the current response.
Public property Cookies When overridden in a derived class, gets the response cookie collection.
Public property Expires When 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 property ExpiresAbsolute When 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 property Filter When overridden in a derived class, gets or sets a filter object that is used to modify the HTTP entity body before transmission.
Public property HeaderEncoding When overridden in a derived class, gets or sets the encoding for the header of the current response.
Public property Headers When overridden in a derived class, gets the collection of response headers.
Public property IsClientConnected When overridden in a derived class, gets a value that indicates whether the client is connected to the server.
Public property IsRequestBeingRedirected When overridden in a derived class, gets a value that indicates whether the client is being redirected to a new location.
Public property Output When overridden in a derived class, gets the object that enables text output to the HTTP response stream.
Public property OutputStream When overridden in a derived class, enables binary output to the outgoing HTTP content body.
Public property RedirectLocation When overridden in a derived class, gets or sets the value of the HTTP Location header.
Public property Status When overridden in a derived class, gets or sets the Status value that is returned to the client.
Public property StatusCode When overridden in a derived class, gets or sets the HTTP status code of the output that is returned to the client.
Public property StatusDescription When overridden in a derived class, gets or sets the HTTP status message of the output that is returned to the client.
Public property SubStatusCode When overridden in a derived class, gets or sets a value that qualifies the status code of the response.
Public property SuppressContent When overridden in a derived class, gets or sets a value that indicates whether to send HTTP content to the client.
Public property TrySkipIisCustomErrors When overridden in a derived class, gets or sets a value that specifies whether IIS 7.0 custom errors are disabled.
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  Name Description
Public method AddCacheDependency When 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 method AddCacheItemDependencies(ArrayList) When overridden in a derived class, makes the validity of a cached response dependent on the specified items in the cache.
Public method AddCacheItemDependencies(String[]) When overridden in a derived class, makes the validity of a cached item dependent on the specified items in the cache.
Public method AddCacheItemDependency When overridden in a derived class, makes the validity of a cached response dependent on the specified item in the cache.
Public method AddFileDependencies(ArrayList) When overridden in a derived class, adds file names to the collection of file names on which the current response is dependent.
Public method AddFileDependencies(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 method AddFileDependency When overridden in a derived class, adds a single file name to the collection of file names on which the current response is dependent.
Public method AddHeader When 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 method AppendCookie When overridden in a derived class, adds an HTTP cookie to the HTTP response cookie collection.
Public method AppendHeader When overridden in a derived class, adds an HTTP header to the current response.
Public method AppendToLog When overridden in a derived class, adds custom log information to the Internet Information Services (IIS) log file.
Public method ApplyAppPathModifier When 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 method BinaryWrite When overridden in a derived class, writes a string of binary characters to the HTTP output stream.
Public method Clear When overridden in a derived class, clears all headers and content output from the current response.
Public method ClearContent When overridden in a derived class, clears all content from the current response.
Public method ClearHeaders When overridden in a derived class, clears all headers from the current response.
Public method Close When overridden in a derived class, closes the socket connection to a client.
Public method DisableKernelCache When overridden in a derived class, disables kernel caching for the current response.
Public method End When 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 method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method Flush When overridden in a derived class, sends all currently buffered output to the client.
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method Pics When overridden in a derived class, appends an HTTP PICS-Label header to the current response.
Public method Redirect(String) When overridden in a derived class, redirects a request to the specified URL.
Public method Redirect(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 method RedirectPermanent(String) When overridden in a derived class, performs a permanent redirect from the requested URL to the specified URL.
Public method RedirectPermanent(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 method RedirectToRoute(Object) When overridden in a derived class, redirects the request to a new URL by using route parameter values.
Public method RedirectToRoute(RouteValueDictionary) When overridden in a derived class, redirects the request to a new URL by using route parameter values.
Public method RedirectToRoute(String) When overridden in a derived class, redirects the request to a new URL by using a route name.
Public method RedirectToRoute(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 method RedirectToRoute(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 method RedirectToRoutePermanent(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 method RedirectToRoutePermanent(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 method RedirectToRoutePermanent(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 method RedirectToRoutePermanent(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 method RedirectToRoutePermanent(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 method RemoveOutputCacheItem(String) When overridden in a derived class, removes from the cache all cached items that are associated with the specified path.
Public method RemoveOutputCacheItem(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 method SetCookie When overridden in a derived class, updates an existing cookie in the cookie collection.
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
Public method TransmitFile(String) When overridden in a derived class, writes the specified file to the HTTP response output stream, without buffering it in memory.
Public method TransmitFile(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 method Write(Char) When overridden in a derived class, writes a character to an HTTP response output stream.
Public method Write(Object) When overridden in a derived class, writes the specified object to the HTTP response stream.
Public method Write(String) When overridden in a derived class, writes the specified string to the HTTP response output stream.
Public method Write(Char[], Int32, Int32) When overridden in a derived class, writes the specified array of characters to the HTTP response output stream.
Public method WriteFile(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 method WriteFile(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 method WriteFile(IntPtr, Int64, Int64) When overridden in a derived class, writes the specified file to the HTTP response output stream.
Public method WriteFile(String, Int64, Int64) When overridden in a derived class, writes the specified file to the HTTP response output stream.
Public method WriteSubstitution When 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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