Bạn không phải nhập khẩu tất cả các tên miền không gian. cung cấp cho bạn các không gian tên thường được sử dụng miễn phí:. Hệ thống. . . . . . . . . | 14 CHAPTER 1 Overview of the Framework You don t have to import every namespace. gives you the most commonly used namespaces for free System The default namespaces are listed inside the pages element in the root web configuration file located at the following path Windows Framework Config Understanding Assemblies An assembly is the actual .dll file on your hard drive in which the classes Framework are stored. For example all the classes contained in the Framework are located in an assembly named . From the Library of Wow eBook and the .NET Framework 15 More accurately an assembly is the primary unit of deployment security and version control in .NET Framework. Because an assembly can span multiple files an assembly is often referred to as a logical dll. The two types of assemblies are private and shared. A private assembly can be used by only a single application. A shared assembly on the other hand can be used by all applications located on the same server. Shared assemblies are located in the Global Assembly Cache GAC . For example the assembly and all the other assemblies included Framework are located in the Global Assembly Cache. u NOTE The Global Assembly Cache is located physically in your computer s WINDOWS Assembly folder. Before you can use a class contained in an assembly in your application you must add a reference to the assembly. By default an 4 application references the most common .
