A Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the IDataAccess contract, which is defined in the MyApplication namespace. The service is implemented in a class named DataAccessService which implements the IDataAccess interface and also is defined in the MyApplication namespace. The hosting code is as follows. (Line numbers are included for reference only.) 01 static void Main(string[] args) 02 { 03 ServiceHost host; 04 ... 05 host.Open(); 06 Console.ReadLine(); 07 host.Close(); 08 } You need to create a ServiceHost instance and assign it to the host variable. You also need to instantiate the service host.Which line of code should you insert at line 04?() host = new ServiceHost("MyApplication.DataAccessService");。 host = new ServiceHost("MyApplication.DataAccess");。 host = new ServiceHost(typeof(IDataAccess));。 host = new ServiceHost(typeof(DataAccessService))。
教育科学理论研究表现出哪几个方面的功能?
劳动力的影子价格当中,属于新增资源消耗的是()。 劳动力机会成本。 迁移费。 新增的城市交通费。 劳动力培训费。
中国共产党的指导思想是马克思列宁主义、毛泽东思想、()、()和()。
北宋时期险怪晦涩的“太学体”文风是在担任国子监直讲的古文家 ()的影响下形成的。
辅助生产成本交互分配法的交互分配,是指将辅助生产成本首先有企业内部()。