“/web”應用程序中的服務器錯誤。 序列不包含任何元素 說明: 執行當前 Web 請求期間，出現未經處理的異常。請檢查堆棧跟蹤信息，以了解有關該錯誤以及代碼中導致錯誤的出處的詳細信息。 異常詳細信息: System.InvalidOperationException: 序列不包含任何元素源錯誤: 行 15: 行 16: DataClassesDataContext dataCC = new DataClassesDataContext();行 17: Books books = dataCC.Books.Single(b => b.Id == id);行 18: return books;行 19: 源文件: d:\shuchen\DAL\Service\BookService.cs ?? 行: 17 堆棧跟蹤: [InvalidOperationException: 序列不包含任何元素] System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult) +1151 System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +113 System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +344 System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute(Expression expression) +56 System.Linq.Queryable.Single(IQueryable`1 source, Expression`1 predicate) +300 DAL.BookService.GetByBookId(Int32 id) in d:\shuchen\DAL\Service\BookService.cs:17 BLL.BookManager.GetByBookId(Int32 id) in d:\shuchen\BLL\Manager\BookManager.cs:17[TargetInvocationException: 調用的目標發生了異常。] System.RuntimeMethodHandle._InvokeMethodFast(IRuntimeMethodInfo method, Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeType typeOwner) +0 System.RuntimeMethodHandle.InvokeMethodFast(IRuntimeMethodInfo method, Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeType typeOwner) +72 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) +251 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +28 System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance) +486 System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1953 System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +21 System.Web.UI.WebControls.DataBoundControl.PerformSelect() +143 System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +74 System.Web.UI.WebControls.GridView.DataBind() +4 System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +66 System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +75 System.Web.UI.Control.EnsureChildControls() +102 System.Web.UI.Control.PreRenderRecursiveInternal() +42 System.Web.UI.Control.PreRenderRecursiveInternal() +175 System.Web.UI.Control.PreRenderRecursiveInternal() +175 System.Web.UI.Control.PreRenderRecursiveInternal() +175 System.Web.UI.Control.PreRenderRecursiveInternal() +175 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2496 版本信息:?Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.0.30319.1