Http status: 500 Internal Server Error

ajaxOptions: error

thrownError: Internal Server Error

“/”应用程序中的服务器错误。 --------------------------------------------------------------------------------

 EntityCollection 已初始化。在反序列化对象图期间仅应调用 InitializeRelatedCollection 方法以初始化新 EntityCollection。 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.InvalidOperationException: EntityCollection 已初始化。在反序列化对象图期间仅应调用 InitializeRelatedCollection 方法以初始化新 EntityCollection。

源错误:

行 232:                if ((value != null)) 行 233:                { 行 234:                    ((IEntityWithRelationships)this).RelationshipManager.InitializeRelatedCollection<T_video>("DB_videoModel.FK_T_video_T_class", "T_video", value); 行 235:                } 行 236:            }

源文件: E:\Projects\WEBVideo\Modal\video.Designer.cs    行: 234

堆栈跟踪:

[InvalidOperationException: EntityCollection 已初始化。在反序列化对象图期间仅应调用 InitializeRelatedCollection 方法以初始化新 EntityCollection。]    System.Data.Objects.DataClasses.RelationshipManager.InitializeRelatedCollection(String relationshipName, String targetRoleName, EntityCollection`1 entityCollection) +2494747    Modal.T_class.set_T_video(EntityCollection`1 value) in E:\Projects\WEBVideo\Modal\video.Designer.cs:234    WebRoleAdmin.videoclass.<BindData>b__3(T_class s) in E:\Projects\WEBVideo\WEBVideo\Admin\videoclass.aspx.cs:50    System.Linq.WhereSelectEnumerableIterator`2.MoveNext() +145    System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +381    System.Linq.Enumerable.ToList(IEnumerable`1 source) +58    DAL.SQLServerDAL`1.GetListByPage(Int32 pageIndex, Int32 pageSize, Func`2 where, Func`2 orderBy, Func`2 selector, Int32& totalCount, Boolean isAesc) in E:\Projects\WEBVideo\DAL\SQLServerDAL.cs:164    BLL.T_classBLL.GetListByPage(Int32 pageIndex, Int32 pageSize, Func`2 where, Func`2 orderBy, Func`2 selector, Int32& totalCount, Boolean isAsc) in E:\Projects\WEBVideo\BLL\T_classBLL.cs:43    WebRoleAdmin.videoclass.BindData() in E:\Projects\WEBVideo\WEBVideo\Admin\videoclass.aspx.cs:50    WebRoleAdmin.videoclass.Page_Load(Object sender, EventArgs e) in E:\Projects\WEBVideo\WEBVideo\Admin\videoclass.aspx.cs:22    System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51    System.Web.UI.Control.OnLoad(EventArgs e) +92    System.Web.UI.Control.LoadRecursive() +54    System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772  

-------------------------------------------------------------------------------- 版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.0.30319.17929