c# - Entity Framework 错误消息 MYSQL，在发布时无法在本地计算机上运行

Question

我在使用 Entity Framework 时遇到了问题。我创建了一个数据模型，一切似乎在我的本地调试机器上工作正常，但是当我发布时，我收到以下消息

System.Data.ProviderIncompatibleException:存储提供程序工厂类型“MySql.Data.MySqlClient.MySqlClientFactory”未实现 IServiceProvider 接口(interface)。使用实现此接口(interface)的商店提供程序。在 System.Data.Common.DbProviderServices.GetProviderServices(DbProviderFactory 工厂) 在 System.Data.Metadata.Edm.StoreItemCollection.Loader.InitializeProviderManifest(操作 3 addError) at System.Data.Metadata.Edm.StoreItemCollection.Loader.OnProviderManifestTokenNotification(String token, Action 3 addError) 在 System.Data.EntityModel.SchemaObjectModel.Schema.HandleProviderManifestTokenAttribute(XmlReader读取器)在 System.Data.EntityModel.SchemaObjectModel.Schema.HandleAttribute(XmlReader 读取器)在 System.Data.EntityModel.SchemaObjectModel.SchemaElement.ParseAttribute(XmlReader 读取器)在 System.Data.EntityModel.SchemaObjectModel.Schema.HandleTopLevelSchemaElement(XmlReader 阅读器) 在 System.Data.EntityModel.SchemaObjectModel.Schema.InternalParse(XmlReader sourceReader，String sourceLocation) , String sourceLocation) 在 System.Data.EntityModel.SchemaObjectModel.SchemaManager.ParseAndValidate(IEnumerable 1 xmlReaders, IEnumerable 1 sourceFilePat hs，SchemaDataModelOption dataModel，AttributeValueNotification providerNotification，AttributeValueNotification providerManifestTokenNotification，ProviderManifestNeeded providerManifestNeeded，IList 1& schemaCollection) at System.Data.Metadata.Edm.StoreItemCollection.Loader.LoadItems(IEnumerable 1 xmlReaders，IEnumerable 1 sourceFilePaths) at System.Data.Metadata.Edm.StoreItemCollection.Init(IEnumerable 1 xmlReaders，IEnumerable 1 filePaths, Boolean throwOnError, DbProviderManifest& providerManifest, DbProviderFactory& providerFactory, Memoizer 2& cachedCTypeFunction) 在 System.Data.Metadata.Edm.StoreItemCollection..ctor(IEnumerable 1 xmlReaders, IEnumerable 1 filePaths) 在 System.Data.Metadata.Edm.MetadataCache.StoreMetadataEntry.LoadStoreCollection(EdmItemCollection edmItemCollection, MetadataArtifactLoaderData loader) Metadata.Edm.MetadataCache.StoreItemCollectionLoader.LoadItemCollection(StoreMetadataEntry 条目)位于 System.Data.Metadata.Edm.MetadataCache.LoadItemCollection [T](IItemCollectionLoader 1 itemCollectionLoader, T entry) at System.Data.Metadata.Edm.MetadataCache.GetOrCreateStoreAndMappingItemCollections(String cacheKey, MetadataArtifactLoader loader, EdmItemCollection edmItemCollection, Object& entryToken) at System.Data.EntityClient.EntityConnection.LoadStoreItemCollections(MetadataWorkspace workspace, DbConnection storeConnection, DbProviderFactory factory, DbConnectionOptions connectionOptions, EdmItemCollection edmItemCollection, MetadataArtifactLoader artifactLoader) at System.Data.EntityClient.EntityConnection.GetMetadataWorkspace(Boolean initializeAllCollections) at System.Data.EntityClient.EntityConnection.InitializeMetadata(DbConnection newConnection, DbConnection originalConnection, Boolean closeOriginalConnectionOnFailure) at System.Data.EntityClient.EntityConnection.Open() at System.Data.Objects.ObjectContext.EnsureConnection() at System.Data.Objects.ObjectQuery 1.GetResults(可为空 1 forMergeOption) at System.Data.Objects.ObjectQuery 1.System.Collection.IEgenerable .GetEnumerator() at _Default.Page_Load(Object sender, EventArgs e)

Answer 1

似乎是库版本的东西。您在开发和生产环境中运行的每个服务器和库的版本是什么？