但是，如果使用任意数量的表和字段动态地指定from子句或result子句，就不能这样了，因为在编程时无法确定结果集类型。
This no longer works if you use arbitrary tables and fields to specify the from clause or the result clause dynamically, though, because the result set types cannot be determined at programming time.
添加本地数据文件会创建类型化数据集和指向应用程序中数据库文件的动态连接字符串。
Adding local data files creates a typed dataset and a dynamic connection string that points to the database file in your application.
程序集及其所有其类型和成员（包括动态方法）被视为透明。
The transparency of a dynamic method depends on the module it is associated with.
描述动态程序集的创建和使用，当执行代码无法访问这些程序集包含的类型时，可以卸载这些程序集并让垃圾回收来回收它们。
Describes the creation and use of dynamic assemblies that can be unloaded and reclaimed by garbage collection when none of the types they contain are reachable by executing code.
描述动态程序集的创建和使用，当执行代码无法访问这些程序集包含的类型时，可以卸载这些程序集并让垃圾回收来回收它们。
Describes the creation and use of dynamic assemblies that can be unloaded and reclaimed by garbage collection when none of the types they contain are reachable by executing code.
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