When Entity Framework generated the model, the nested types just disappeared.Lets take a look at a simple example in which we have our basic model with three entities Student, Course and Enrollment.Lets add a property Identity, which is a Person type. Person is another entity, contains Birth...
如需詳細資訊,請參閱物件查詢 (Entity Framework)。 下列範例會傳回包含巢狀 SalesOrderHeader 實體類型的 DbDataRecord 物件集合。 VB 複製 ' Define a query that returns a nested ' DbDataRecord for the projection. Dim query As ObjectQuery(Of DbDataRecord) = context.Contacts.Select("it.FirstName,...
When you construct EntityCommand objects, you can specify a stored procedure name or a query text. The Entity Framework works with storage-specific data providers to translate generic Entity SQL into storage-specific queries. For more information about writing Entity SQL queries, see Entity SQL ...
17. Using EntityObjects in WCF Services 449 17.在WCF服务中使用实体对象 Planning for an Entity Framework–Agnostic Client 450 为未知的客户端规划EF Assessing the Pros and Cons of an Entity Framework–Agnostic Consumer 451 为未知用户综合评估EF Building a Simple WCF Service with EntityObjects 452 使...
When you construct EntityCommand objects, you can specify a stored procedure name or a query text. The Entity Framework works with storage-specific data providers to translate generic Entity SQL into storage-specific queries. For more information about writing Entity SQL queries, see Entit...
EntityFramework Core, Do we have to explicitly dispose the DBContext EntityFramework.dll Could not be loaded EntitySet -Best way to query related child objects with a limiting critera Enumeration yielded no results?? Environment.NewLine Can't save MS SQL in Entity Framework Error : The SqlParam...
EF Core 6.0 Release Candidate 1 was released to NuGet a few weeks ago. This release is the first of two “go live” release candidates that are supported in production. EF Core 6.0 RC1 runs on Release Candidate 1 for .NET 6.0, which also has a “go live” license. ...
Value objects Not started Cosmos database provider Not started Public model conventions Not started Zero bug balance In-progress .NET integration Enhancements to System.Data In-progress Enhancements to Microsoft.Data.Sqlite In-progress Nullable reference types Done Experiments and investigations SqlServer.Co...
Returns all IProperty members from this type and all nested complex types, if any. (Inherited from RuntimeTypeBase) GetFlattenedProperties() Returns all IProperty members from this type and all nested complex types, if any. (Inherited from RuntimeTypeBase) GetForeignKeys() Gets the foreig...
Microsoft.EntityFrameworkCore.Update Microsoft.EntityFrameworkCore.ValueGeneration Microsoft.Extensions.DependencyInjection System.Transactions 下载PDF Learn .NET API 浏览器 Microsoft.EntityFrameworkCore.Design NestedClosureCodeFragment C# C# VB F# 使用英语阅读 ...