“/”应用程序中的服务器错误。

给定关键字不在字典中。

说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Collections.Generic.KeyNotFoundException: 给定关键字不在字典中。

源错误:

执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。

堆栈跟踪:


[KeyNotFoundException: 给定关键字不在字典中。]
   System.ThrowHelper.ThrowKeyNotFoundException() +36
   System.Collections.Generic.Dictionary`2.get_Item(TKey key) +52
   MySql.Data.MySqlClient.CharSetMap.GetChararcterSet(DBVersion version, String CharSetName) in E:\trd\Carpa.NET\src\Carpa.Tools\MySql.Data\Source\CharSetMap.cs:53
   MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData41() in E:\trd\Carpa.NET\src\Carpa.Tools\MySql.Data\Source\NativeDriver.cs:729
   MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData() in E:\trd\Carpa.NET\src\Carpa.Tools\MySql.Data\Source\NativeDriver.cs:668
   MySql.Data.MySqlClient.NativeDriver.ReadColumnMetadata(Int32 count) in E:\trd\Carpa.NET\src\Carpa.Tools\MySql.Data\Source\NativeDriver.cs:655
   MySql.Data.MySqlClient.MySqlDataReader.NextResult() in E:\trd\Carpa.NET\src\Carpa.Tools\MySql.Data\Source\datareader.cs:856
   MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior) in E:\trd\Carpa.NET\src\Carpa.Tools\MySql.Data\Source\command.cs:433
   MySql.Data.MySqlClient.MySqlCommand.ExecuteDbDataReader(CommandBehavior behavior) in E:\trd\Carpa.NET\src\Carpa.Tools\MySql.Data\Source\command.cs:876
   Carpa.Web.Script.DbHelper.ExecuteReader(String sql) +186
   Carpa.Web.Script.DbHelper.Select(String sql) +72
   Carpa.Web.Script.DbHelper.SelectFirstRow(String sql) +67
   Planet.Xue.DAL.CourseDAL.GetCourseById(UInt64 id) in F:\trd\product\Planet\src\common\Planet.Xue\DAL\CourseDAL.cs:246
   Planet.Xue.BLL.CourseBLL.GetCourseById(UInt64 id) in F:\trd\product\Planet\src\common\Planet.Xue\BLL\CourseBLL.cs:62
   Xue.Controllers.CourseController.InitCourse(UInt64 id) in F:\trd\product\Planet\src\home\Xue\Controllers\CourseController.cs:175
   Xue.Controllers.CourseController.Buy(UInt64 id) in F:\trd\product\Planet\src\home\Xue\Controllers\CourseController.cs:52
   lambda_method(Closure , ControllerBase , Object[] ) +142
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +253
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +35
   System.Web.Mvc.Async.<>c__DisplayClass42.<BeginInvokeSynchronousActionMethod>b__41() +34
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +57
   System.Web.Mvc.Async.<>c__DisplayClass39.<BeginInvokeActionMethodWithFilters>b__33() +77
   System.Web.Mvc.Async.<>c__DisplayClass4f.<InvokeActionMethodFilterAsynchronously>b__49() +372
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +57
   System.Web.Mvc.Async.<>c__DisplayClass2a.<BeginInvokeAction>b__20() +32
   System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +187
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +50
   System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +24
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +64
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +50
   System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +38
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +50
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +602
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.3770.0