arcengiene10.4怎么连接sqlserver数据库

试下下面参数：
//propertySet.SetProperty("SERVER", "192.168.220.134");
            //propertySet.SetProperty("INSTANCE", "sde:sqlserver:192.168.220.134");
            //propertySet.SetProperty("USER", "sde");

            //propertySet.SetProperty("PASSWORD", "sde");
            //propertySet.SetProperty("DATABASE", "sde103");