System.Web Namespace

Controls access permissions in ASP.NET hosted environments. This class cannot be inherited.

Allows security actions for AspNetHostingPermission to be applied to code using declarative security. This class cannot be inherited.

Represents the properties and methods of a default HTTP handler.

Converts task-returning asynchronous methods into methods that use the asynchronous programming model used in previous versions of ASP.NET and that is based on begin and end events.

Represents an HTML-encoded string that should not be encoded again.

Defines the methods, properties, and events that are common to all application objects in an ASP.NET application. This class is the base class for applications that are defined by the user in the Global.asax file.

Enables sharing of global information across multiple sessions and requests within an ASP.NET application.

Serves as the base class for classes that enable information to be shared across multiple sessions and requests within an ASP.NET application.

Encapsulates the HTTP intrinsic object that enables information to be shared across multiple requests and sessions within an ASP.NET application.

Enables the server to gather information on the capabilities of the browser that is running on the client.

Serves as the base class for classes that enable the server to gather information about the capabilities of the browser that made the current request.

Encapsulates the HTTP intrinsic object that enables the server to gather information about the capabilities of the browser that has made the current request.

Contains methods for setting cache-specific HTTP headers and for controlling the ASP.NET page output cache.

Serves as the base class for classes that contain methods for setting cache-specific HTTP headers and for controlling the ASP.NET page output cache.

Encapsulates the HTTP intrinsic object that contains methods for setting cache-specific HTTP headers and for controlling the ASP.NET page output cache.

Provides a type-safe way to set the VaryByContentEncodings property of the HttpCachePolicy class.

Provides a type-safe way to set the VaryByHeaders property.

Provides a type-safe way to set the VaryByParams property.

Provides the client certificate fields issued by the client in response to the server's request for the client's identity.

The exception that is thrown when a compiler error occurs.

Encapsulates all HTTP-specific information about an individual HTTP request.

Serves as the base class for classes that contain HTTP-specific information about an individual HTTP request.

Encapsulates the HTTP intrinsic object that contains HTTP-specific information about an individual HTTP request.

Provides a type-safe way to create and manipulate individual HTTP cookies.

Provides a type-safe way to manipulate HTTP cookies.

Describes an exception that occurred during the processing of HTTP requests.

Provides access to and organizes files uploaded by a client.

Serves as the base class for classes that provide access to files that were uploaded by a client.

Encapsulates the HTTP intrinsic object that provides access to files that were uploaded by a client.

Provides a way to index and retrieve a collection of IHttpModule objects.

The exception that is thrown when a parse error occurs.

Provides access to individual files that have been uploaded by a client.

Serves as the base class for classes that provide access to individual files that have been uploaded by a client.

Encapsulates the HTTP intrinsic object that provides access to individual files that have been uploaded by a client.

Enables ASP.NET to read the HTTP values sent by a client during a Web request.

Serves as the base class for classes that enable ASP.NET to read the HTTP values sent by a client during a Web request.

The exception that is thrown when a potentially malicious input string is received from the client as part of the request data. This class cannot be inherited.

Encapsulates the HTTP intrinsic object that enables ASP.NET to read the HTTP values that are sent by a client during a Web request.

Encapsulates HTTP-response information from an ASP.NET operation.

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

Encapsulates the HTTP intrinsic object that provides HTTP-response information from an ASP.NET operation.

Provides a set of ASP.NET run-time services for the current application.

Provides helper methods for processing Web requests.

Serves as the base class for classes that provide helper methods for processing Web requests.

Encapsulates the HTTP intrinsic object that provides helper methods for processing Web requests.

Serves as the base class for classes that provides access to session-state values, session-level settings, and lifetime management methods.

Encapsulates the HTTP intrinsic object that provides access to session-state values, session-level settings, and lifetime management methods.

Provides a collection of application-scoped objects for the StaticObjects property.

Serves as the base class for classes that provide a collection of application-scoped objects for the StaticObjects property.

Encapsulates the HTTP intrinsic object that provides a collection of application-scoped objects for the StaticObjects property.

Provides methods that a derived task handler class can implement in order to process an asynchronous task.

The exception that is thrown when a generic exception occurs.

Provides methods for encoding and decoding URLs when processing Web requests. This class cannot be inherited.

This abstract class defines the base worker methods and enumerations used by ASP.NET managed code to process requests.

Provides a TextWriter object that is accessed through the intrinsic HttpResponse object.

Provides a listener that routes all tracing and debugging output to the IIS 7.0 infrastructure.

Maps document extensions to content MIME types.

Represents a parser error or warning. This class cannot be inherited.

Manages a set of parser errors detected during parsing. This class cannot be inherited.

Provides expanded support for application startup.

Provides information on processes currently executing.

Contains methods that return information about worker processes.

The SiteMap class is an in-memory representation of the navigation structure for a site, which is provided by one or more site map providers. This class cannot be inherited.

Represents a node in the hierarchical site map structure such as that described by the SiteMap class and classes that implement the abstract SiteMapProvider class.

Provides a strongly typed collection for SiteMapNode objects and implements the IHierarchicalEnumerable interface to support navigating through the collection.

Provides a common base class for all site map data providers, and a way for developers to implement custom site map data providers that can be used with the ASP.NET site map infrastructure as persistent stores for SiteMap objects.

Used by the SiteMap class to track the set of SiteMapProvider objects that are available to the SiteMap during site map initialization. This class cannot be inherited.

Provides data for an event that is raised by calling the CurrentNode property of the SiteMapProvider class.

Serves as a partial implementation of the abstract SiteMapProvider class and serves as a base class for the XmlSiteMapProvider class, which is the default site map provider in ASP.NET.

Captures and presents execution details about a Web request. This class cannot be inherited.

Provides a collection of trace records to any method that handles the TraceFinished event. This class cannot be inherited.

Represents an ASP.NET trace message and any associated data.

Provides access to HTTP request values without triggering ASP.NET request validation.

Serves as the base class for classes that provide access to HTTP request values without triggering ASP.NET request validation.

Provides a wrapper class for the UnvalidatedRequestValuesBase class, and provides access to HTTP request values without triggering ASP.NET request validation.

Provides utility methods for common virtual path operations.

Provides a listener that directs Trace messages to ASP.NET Web page outputs.

The XmlSiteMapProvider class is derived from the SiteMapProvider class and is the default site map provider for ASP.NET. The XmlSiteMapProvider class generates site map trees from XML files with the file name extension .sitemap.

Represents an HTML-encoded string that should not be encoded again.

Defines the contract that HTTP asynchronous handler objects must implement.

Defines the contract that ASP.NET implements to synchronously process HTTP Web requests using custom HTTP handlers.

Defines the contract that class factories must implement to create new IHttpHandler objects.

Provides module initialization and disposal events to the implementing class.

Defines methods that must be implemented for custom session-state partition resolution.

Represents an interface that is implemented by an object and that can be used to unsubscribe listeners.

Provides information about transport layer security (TLS) token binding.

Specifies why the AppDomain class shut down.

Specifies the trust level that is granted to an ASP.NET Web application.

Provides enumerated values that are used to set the Cache-Control HTTP header.

Provides enumerated values that are used to set revalidation-specific Cache-Control HTTP headers.

Specifies how cookies are used for a Web application.

Provides enumerated values that indicate cache validation status.

Provides enumerated values that indicate why a process has shut down.

Provides enumerated values that indicate the current status of a process.

Specifies constants that indicate how the entity body of an HTTP request has been read.

Indicates when events and other life-cycle events occur while a HttpApplication request is being processed.

Specifies the state of a notification in the request pipeline.

Specifies constants that indicate the value for the SameSite attribute of the cookie.

Specifies in what order trace messages are emitted into the HTML output of a page.

Represents the method that handles asynchronous events such as application events. This delegate is called at the start of an asynchronous operation.

Represents the method that handles asynchronous events such as application events.

Represents a method that is called to validate a cached item before the item is served from the cache.

Represents the method that handles post-cache substitution.

Represents the method that Notifies callers when sending of the response is complete.

Represents the method that will handle the SiteMapResolve event of a specific instance of the SiteMapProvider or static SiteMap class.

Represents the asynchronous task that is being processed by an instance of the EventHandlerTaskAsyncHelper class.

Represents the method that handles the TraceFinished event of a TraceContext object.