MSDN Documentation

Namespaces within System.Web

• System.Web.Http Provides classes for building HTTP services.
• System.Web.UI Provides classes for creating Web user interfaces.
• System.Web.Routing Provides classes for URL routing in ASP.NET.
• System.Web.Services Provides classes for building Web services.
• System.Web.SessionState Provides classes for managing user session state.

Core Types in System.Web

• HttpRequest Encapsulates information about an incoming HTTP request.
• HttpResponse Encapsulates the HTTP response to be sent to the client.
• HttpContext Encapsulates all information about an individual HTTP request.
• IHttpHandler Defines the interface that all HTTP handlers must implement.
• IHttpModule Defines the contract for HTTP modules.
• UrlHelper Provides methods for generating URLs.

Frequently Used Classes

• HttpUtility Provides methods for escaping and returning strings that are encoded for use in HTML or URLs.

  Static Methods:

  HttpUtility.UrlEncode(string s)

  Encodes a string that has been encoded with a URL encoding scheme.

  HttpUtility.HtmlEncode(string s)

  Encodes a string that contains HTML characters.

• HttpResponse Encapsulates the HTTP response to be sent to the client.

  Properties:

  string ContentType

  Gets or sets the content type of the response.

  int StatusCode

  Gets or sets the status code of the response.

  Methods:

  void Write(string s)

  Writes a string to the HTTP output stream.