Entity Framework 6.2.0 DbModel DbModelStore DbPropertyEntry DbPropertyEntry<TEntity,TProperty> DbPropertyValues DbProviderInfo DbQuery DbQuery<TResult> DbRawSqlQuery DbRawSqlQuery<TElement> DbRawSqlQuery<TElement> 方法 AllAsync AnyAsync AsStreaming ...
Create the ADO.NET entity data model Data bind the model to the XAML page Adjust the page design and add grids Add buttons to navigate, add, update, and delete Run the WPF application Prerequisites Visual Studio with the Windows Communication Foundation component installed. To insta...
这部分XML文档,Schema是CSDL的根元素,其中定义的Namespace是用于ObjectContext与EntityClass的命名空间,Alias-别名为此命名空间Namespace指定一个易记的名称,在定义Alias之后,在此Schema内的Element均可以该Alias作为Namespace的别名。Alias的使用可以参考如下xml element:1 <FunctionImportName="GETHOUSEWORKDONE"EntitySet="U...
It also uses the EntityType and AssociationType XML elements, in this case to declare the structures of tables and foreign keys that exist in the database, respectively. The SSDL file’s namespace is set based on the name of the database used in the EDM while its EntityContainer element ...
命名空間: System.Data.Entity 組件: EntityFramework (在 EntityFramework.dll 中) 語法 VB 複製 '宣告 Public Function SqlQuery(Of TElement) ( _ sql As String, _ ParamArray parameters As Object() _ ) As DbRawSqlQuery(Of TElement) '用途 Dim instance As Database Dim sql As String Dim para...
It also uses the EntityType and AssociationType XML elements, in this case to declare the structures of tables and foreign keys that exist in the database, respectively. The SSDL file’s namespace is set based on the name of the database used in the EDM while its EntityContainer...
命名空間: System.Data.Entity.Infrastructure 組件: EntityFramework (在 EntityFramework.dll 中)語法VB 複製 '宣告 Public Function LoadAsync As Task '用途 Dim instance As DbCollectionEntry Dim returnValue As Task returnValue = instance.LoadAsync() ...
ENTITY_REGISTRY_CONFIG_PATH=/datahub/datahub-gms/resources/entity-registry.yml hostname: datahub-upgrade image: ${DATAHUB_UPGRADE_IMAGE:-acryldata/datahub-upgrade}:${DATAHUB_VERSION:-head} elasticsearch: container_name: elasticsearch environment: - discovery.type=single-node - xpack.security....
schema { compare(:person) | compare(:entity) } person_or_entity.(:person) # => Datacaster::ValidResult(:person) person_or_entity.(:entity) # => Datacaster::ValidResult(:entity) person_or_entity.(:ngo) # => Datacaster::ErrorResult(["does not equal :entity"]) Notice that OR ...
These non-traditional database models mainly include the entity-relationship (ER) model [58], the enhanced (or extended) entity-relationship (EER) model [95], the object-oriented (OO) database model [125], and the object-relational database model [213]. Among these database models, the ...