aspnetandnetframework外文翻譯(文件)
【正文】 uniquely identify any class in the .NET framework by using the full namespace of the class. For example, to uniquely refer to the class that represents a file system file (the File class), you would use the following: refers to the namespace, and File refers to the particular class. NOTE You can view all the namespaces of the standard classes in the .NET Framework Class Library by viewing the Reference Documentation for the .NET Framework. Standard Namespaces The classes contained in a select number of namespaces are available in your pages by default. (You must explicitly import other namespaces.) These default namespaces contain classes that you use most often in your applications: ? System— Contains all the base data types and other useful classes such as those related to generating random numbers and working with dates and times. ? — Contains classes for working with standard collection types such as hash tables, and array lists. ? — Contains classes that represent specialized collections such as linked lists and string collections. ? — Contains classes for working with configuration files ( files). ? — Contains classes for encoding, decoding, and manipulating the contents of strings. ? — Contains classes for performing regular expression match and replace operations. ? — Contains the basic classes for working with the World Wide Web, including classes for representing browser requests and server responses. ? — Contains classes used for caching the content of pages and classes for performing custom caching operations. ? — Contains classes for implementing authentication and authorization such as Forms and Passport authentication. ? — Contains classes for implementing session state. ? — Contains the basic classes used in building the user interface of pages. ? — Contains the classes for the HTML controls. ? — Contains the classes for the Web controls. .NET FrameworkCompatible Languages For purposes of this book, you will write the application logic for your pages using Visual Basic as your programming language. It is the default language for pages (and the most popular programming language in the world). Although you stick to Visual Basic in this book, you also need to understand that you can create pages by using any language that supports the .NET Common Language Runtime. Out of the box,
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