System.TypeLoadException：无法从程序集mscorlib加载类型'System.Reflection.RuntimeReflectionExtensions'

每当我初始化实体类的实例时，都会收到此错误。但是，这完美地运行在我的本地PC上。完整的例外情况如下。System.TypeLoadException：无法从程序集mscorlib加载类型'System.Reflection.RuntimeReflectionExtensions'

System.TypeLoadException: Could not load type 'System.Reflection.RuntimeReflectionExtensions' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. 
    at System.Data.Entity.Utilities.TypeExtensions.GetStaticProperty(Type type, String name) 
    at System.Data.Entity.Infrastructure.DependencyResolution.ProviderServicesFactory.GetInstance(Type providerType) 
    at System.Data.Entity.Infrastructure.DependencyResolution.ProviderServicesFactory.GetInstance(String providerTypeName, String providerInvariantName) 
    at System.Data.Entity.Internal.AppConfig.<.ctor>b__2(ProviderElement e) 
    at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext() 
    at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) 
    at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source) 
    at System.Data.Entity.Internal.AppConfig.<.ctor>b__1() 
    at System.Lazy`1.CreateValue() 
    at System.Lazy`1.LazyInitValue() 
    at System.Lazy`1.get_Value() 
    at System.Data.Entity.Internal.AppConfig.get_DbProviderServices() 
    at System.Data.Entity.Infrastructure.DependencyResolution.AppConfigDependencyResolver.RegisterDbProviderServices() 
    at System.Data.Entity.Infrastructure.DependencyResolution.AppConfigDependencyResolver.GetServiceFactory(Type type, String name) 
    at System.Data.Entity.Infrastructure.DependencyResolution.AppConfigDependencyResolver.<>c__DisplayClass1.<GetService>b__0(Tuple`2 t) 
    at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory) 
    at System.Data.Entity.Infrastructure.DependencyResolution.AppConfigDependencyResolver.GetService(Type type, Object key) 
    at System.Data.Entity.Infrastructure.DependencyResolution.ResolverChain.<>c__DisplayClass3.<GetService>b__0(IDbDependencyResolver r) 
    at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext() 
    at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate) 
    at System.Data.Entity.Infrastructure.DependencyResolution.ResolverChain.GetService(Type type, Object key) 
    at System.Data.Entity.Infrastructure.DependencyResolution.CompositeResolver`2.GetService(Type type, Object key) 
    at System.Data.Entity.Infrastructure.DependencyResolution.DbDependencyResolverExtensions.GetService[T](IDbDependencyResolver resolver) 
    at System.Data.Entity.DbContext.InitializeLazyInternalContext(IInternalConnection internalConnection, DbCompiledModel model) 
    at System.Data.Entity.DbContext..ctor(String nameOrConnectionString) 
    at testEF.Data.ERP_Model.ERP_entities..ctor() in c:\Users\Dilshan Jayaweera\Documents\Visual Studio 2013\Projects\testEF\testEF\Data\ERP_Model\ERP_entities.cs:line 10 
    at testEF.Form1.timer1_Tick(Object sender, EventArgs e) in c:\Users\Dilshan Jayaweera\Documents\Visual Studio 2013\Projects\testEF\testEF\Form1.cs:line 23 
    at System.Windows.Forms.Timer.OnTick(EventArgs e) 
    at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m) 
    at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

来源

2016-07-14 Dilshan Jayaweera