.net 用于简单查询的频繁TransactionException

在MVC4应用程序中使用.NET4，LINQtoSQL，我刚刚开始遇到一个问题，大量请求都失败了。请求似乎在从数据库中进行非常简单的选择时失败。服务器或代码库已经有一周没有更新了，但这个问题是今天早上才开始的。
异常（看起来）是随机抛出的，它可能发生在所有页面上。
事件查看器日志显示以下堆栈跟踪：

Exception information: 
    Exception type: TransactionException 
    Exception message: The operation is not valid for the state of the transaction.
   at System.Transactions.TransactionState.EnlistPromotableSinglePhase(InternalTransaction tx, IPromotableSinglePhaseNotification promotableSinglePhaseNotification, Transaction atomicTransaction)
   at System.Transactions.Transaction.EnlistPromotableSinglePhase(IPromotableSinglePhaseNotification promotableSinglePhaseNotification)
   at System.Data.SqlClient.SqlInternalConnection.EnlistNonNull(Transaction tx)
   at System.Data.ProviderBase.DbConnectionInternal.ActivateConnection(Transaction transaction)
   at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
   at System.Data.SqlClient.SqlConnection.Open()
   at System.Data.Linq.SqlClient.SqlConnectionManager.UseConnection(IConnectionUser user)
   at System.Data.Linq.SqlClient.SqlProvider.get_IsSqlCe()
   at System.Data.Linq.SqlClient.SqlProvider.InitializeProviderMode()
   at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query)
   at System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute[TResult](Expression expression)
   at System.Linq.Queryable.SingleOrDefault[TSource](IQueryable`1 source, Expression`1 predicate)
   at MYPROJECT.Services.Concrete.SettingsService.GetString(Settings settingID, String defaultValue) in c:\TeamCity\buildAgent\work\123456789\MYPROJECT.Services\Concrete\SettingsService.cs:line 40
   at MYPROJECT.Controllers.BaseController.OnActionExecuted(ActionExecutedContext filterContext) in c:\TeamCity\buildAgent\work\123456789\MYPROJECT\Controllers\BaseController.cs:line 37
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.<InvokeActionMethodFilterAsynchronously>b__49()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<BeginInvokeActionMethodWithFilters>b__36(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<>c__DisplayClass2a.<BeginInvokeAction>b__20()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult)
   at System.Web.Mvc.Controller.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.MvcHandler.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.HttpHandlerUtil.ServerExecuteHttpHandlerWrapper.<>c__DisplayClass4.<Wrap>b__3()
   at System.Web.Mvc.HttpHandlerUtil.ServerExecuteHttpHandlerWrapper.Wrap[TResult](Func`1 func)
   at System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride)

我在谷歌上读到了检查数据库连接并确保MSDTC正在运行的信息。是的，但这会让我检查服务器上的时间。SQL和web服务器之间的差异约为5秒。因此，我认为这可能与此有关，但在重新同步到域控制器后，我似乎仍然存在此问题！任何帮助都将不胜感激

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值得一提的是，我正在使用NInject。因此，datacontext的处理方式如下：

Bind<IUnitOfWork>().To<UnitOfWork>().InRequestScope().WithConstructorArgument("connectionString", connectionString); 

Bind（）.To（）.InRequestScope（）.withConstructor参数（“connectionString”，connectionString）；

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然后我的所有服务都能够引用相同的数据上下文

狩猎是一场白费力气的追逐。问题在于代码。发生了ChangeConflictException，随后的请求仍在同一datacontext中执行。我不知道是怎么回事，但每当发生这种情况时，一些请求就会在最简单的数据库调用中完全失败（如上所示）。删除有问题的代码完全解决了这个问题

Bind<IUnitOfWork>().To<UnitOfWork>().InRequestScope().WithConstructorArgument("connectionString", connectionString);