Asp.net 执行权限被拒绝-'；aspnet角色存在'；

我正在使用SQL Server（MSSQLBlogProvider）在主网站下的虚拟目录中安装一个应用程序（BlogEngine）。BlogEngine有自己的数据库

所有这些都工作了，这意味着我得到了SQL数据库提供的默认页面

然后，我使用ASP.net网站管理工具\Security创建用户（如本视频中的7分钟标记所示。解释得很好，如果单击视频的时间线，可以轻松快速地看到他在做什么）

执行这些步骤后，我得到了错误：

对对象“aspnet\u RoleExists”、数据库“Blog”、架构“dbo”的执行权限被拒绝。我想玩弄访问规则，但没有成功

请注意，我使用的是“集成安全性”

我并不完全了解舒尔的外观和修改位置。非常感谢您的帮助

堆栈跟踪：

[SqlException (0x80131904): The EXECUTE permission was denied on the object 'aspnet_Roles_RoleExists', database 'Blog', schema 'dbo'.]
   System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +388
   System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) +688
   System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) +4403
   System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +6665097
   System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite) +6667096
   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite) +577
   System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite) +735
   System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +290
   System.Web.Security.SqlRoleProvider.RoleExists(String roleName) +967
   System.Web.Security.Roles.RoleExists(String roleName) +336
   BlogEngine.Core.Right.InitRightForBlogInstance() in j:\Projects\BlogEngine_2_7_0_0\blogengine_4f5eed923a57\BlogEngine\BlogEngine.Core\Security\Right.cs:612
   BlogEngine.Core.Right.get_RightsByRole() in j:\Projects\BlogEngine_2_7_0_0\blogengine_4f5eed923a57\BlogEngine\BlogEngine.Core\Security\Right.cs:600
   BlogEngine.Core.Right.EnsureBlogInstanceDataLoaded() in j:\Projects\BlogEngine_2_7_0_0\blogengine_4f5eed923a57\BlogEngine\BlogEngine.Core\Security\Right.cs:566
   BlogEngine.Core.Right..cctor() in j:\Projects\BlogEngine_2_7_0_0\blogengine_4f5eed923a57\BlogEngine\BlogEngine.Core\Security\Right.cs:113

[TypeInitializationException: The type initializer for 'BlogEngine.Core.Right' threw an exception.]
   BlogEngine.Core.Right..ctor() in j:\Projects\BlogEngine_2_7_0_0\blogengine_4f5eed923a57\BlogEngine\BlogEngine.Core\Security\Right.cs:539

[TargetInvocationException: Exception has been thrown by the target of an invocation.]
   System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck) +0
   System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark) +159
   System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark) +256
   System.Activator.CreateInstance(Type type, Boolean nonPublic) +127
   System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark) +14376269
   System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +200
   System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture) +28
   System.Web.HttpRuntime.CreateNonPublicInstance(Type type, Object[] args) +83
   System.Web.HttpApplication.BuildIntegratedModuleCollection(List`1 moduleList) +335
   System.Web.HttpApplication.GetModuleCollection(IntPtr appContext) +1262
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +133
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +304
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +404
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +475

[HttpException (0x80004005): Exception has been thrown by the target of an invocation.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +12881540
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +159
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +12722601

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打开Internet信息服务管理器
检查IIS网站正在使用的应用程序池
转到应用程序池
查看您的应用程序池在哪个身份下运行

打开SQL Server Management Studio
连接到您的SQL Server实例
打开数据库的新查询
运行此脚本：
将SCHEMA:：dbo上的SELECT、EXECUTE、UPDATE和INSERT授予
[NT授权\网络服务]

*将[NT AUTHORITY\NETWORK SERVICE]替换为应用程序池运行时使用的任何身份。

返回IIS管理器
回收你的应用程序池

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浏览您的网站

我在这里发现了一个可能的提示：-我可以向“集成安全”用户添加权限吗？出现错误：找不到用户“myIdentity”，因为它不存在或您没有权限。