無法加載一個或多個請求的類型。檢索LoaderExceptions屬性以獲取更多信息。與EntityDataSource

我有一個問題，只顯示如果EntityDataSource出現在ASP.NET（* .aspx）頁面。有趣的是，當我刷新頁面時（F5）或再次查看它並且它讓我發瘋，它似乎是Entity Framework的一個錯誤，因爲我嘗試了另一個項目，並且我得到了相同的結果錯誤。無法加載一個或多個請求的類型。檢索LoaderExceptions屬性以獲取更多信息。與EntityDataSource

無法加載一個或多個請求的類型。檢索LoaderExceptions屬性以獲取更多信息。描述：執行當前Web請求期間發生未處理的異常。請查看堆棧跟蹤以獲取有關該錯誤的更多信息以及源代碼的位置。異常詳細信息：System.Reflection.ReflectionTypeLoadException：無法加載一個或多個請求的類型。檢索LoaderExceptions屬性以獲取更多信息。

堆棧跟蹤：

[ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.] 
    System.Reflection.RuntimeModule.GetTypes(RuntimeModule module) +0 
    System.Reflection.RuntimeModule.GetTypes() +4 
    System.Reflection.Assembly.GetTypes() +78 
    System.Data.Metadata.Edm.ObjectItemConventionAssemblyLoader.LoadTypesFromAssembly() +32 
    System.Data.Metadata.Edm.ObjectItemAssemblyLoader.Load() +25 
    System.Data.Metadata.Edm.AssemblyCache.LoadAssembly(Assembly assembly, Boolean loadReferencedAssemblies, ObjectItemLoadingSessionData loadingData) +160 
    System.Data.Metadata.Edm.AssemblyCache.LoadAssembly(Assembly assembly, Boolean loadReferencedAssemblies, KnownAssembliesSet knownAssemblies, EdmItemCollection edmItemCollection, Action`1 logLoadMessage, Object& loaderCookie, Dictionary`2& typesInLoading, List`1& errors) +166 
    System.Data.Metadata.Edm.ObjectItemCollection.LoadAssemblyFromCache(ObjectItemCollection objectItemCollection, Assembly assembly, Boolean loadReferencedAssemblies, EdmItemCollection edmItemCollection, Action`1 logLoadMessage) +316 
    System.Data.Metadata.Edm.ObjectItemCollection.ExplicitLoadFromAssembly(Assembly assembly, EdmItemCollection edmItemCollection, Action`1 logLoadMessage) +53 
    System.Data.Metadata.Edm.MetadataWorkspace.ExplicitLoadFromAssembly(Assembly assembly, ObjectItemCollection collection, Action`1 logLoadMessage) +93 
    System.Data.Metadata.Edm.MetadataWorkspace.LoadFromAssembly(Assembly assembly, Action`1 logLoadMessage) +130 
    System.Web.UI.WebControls.EntityDataSourceView.ConstructContext() +585 
    System.Web.UI.WebControls.EntityDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +76 
    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

我怎樣才能解決這個問題？

來源

2010-09-28 Milady