-- For more information on Entity Framework configuration, visit http://Go.microsoft.com/fwlink/?LinkID=237468 --></configSections><startup><supportedRuntimeversion="v4.0"sku=".NETFramework,Version=v4.5"/></startup><entityFramework><defaultConnectionFactorytype="System.Data.Entity.Infrastructure....
Language-Integrated Query (LINQ)是一种强大的查询语言,在vs2008就引入。我们可以在c#或者vb中使用LINQ查询不同的数据源。LINQ-to-Entities运行在entity Framework中的实体上(与底层数据库关联)。你可以使用LINQ方法语法或者LINQ查询语法进行查询 LINQ Method syntax //Querying with LINQ to Entitiesusing(varcontext =...
Microsoft.EntityFrameworkCore.Query Microsoft.EntityFrameworkCore.Query CollectionResultExpression CollectionShaperExpression CompiledQueryCacheKeyGenerator CompiledQueryCacheKeyGenerator.CompiledQueryCacheKey CompiledQueryCacheKeyGeneratorDependencies EntityProjectionExpression ...
var query = from b in ctx.Blogs where b.BlogName.StartsWith("Visual Studio") select b; 这些改动看起来好像很小,但改进的SQL生成能够使得查询执行得更快,减轻SQL Servers和网络的负载。 增强对存储过程(Stored Procedure)的支持 许多数据库都利用存储过程来执行自定义的SQL过程。Entity Framework允许您在实体...
EntityFrameworkQueryableExtensions.cs 指定要基于刚刚包含的相关类型进一步包含的其他相关数据。 C# publicstaticMicrosoft.EntityFrameworkCore.Query.IIncludableQueryable<TEntity,TProperty> ThenInclude<TEntity,TPreviousProperty,TProperty> (thisMicrosoft.EntityFrameworkCore.Query.IIncludableQueryable<TEntity,TPreviousP...
syntax, code or performance. The EF team became more transparent and interactive with its community of users, and it began to provide feature releases more fluently rather than binding them to the Microsoft .NET Framework. This led to two advances after EF5 was released in 2012. First, all ...
Microsoft.EntityFrameworkCore.Query.SqlExpressions 名前空間 リファレンス フィードバック クラス テーブルを展開する AtTimeZoneExpression SQL ツリー内の AT TIME ZONE 操作を表す式。 この型は、通常、データベース プロバイダー (およびその他の拡張機能) によって使用されます。
CompileQuery 屬性 EntityFrameworkQueryableExtensions EntityState EntityTypeConfigurationAttribute EntityTypeConfigurationAttribute<TConfiguration,TEntity> EntityTypeExtensions ExecutionStrategyExtensions IDbCoNtextFactory<TContext> IEntityTypeConfiguration<TEntity> IndexAttribute InMemoryDatabaseFacadeExtensions InMemoryDbCoNt...
将类库的代码生成dll img 并且设置属性为复制到输出目录 using System.Runtime.Loader; var domain = ...
query, IModel model, Boolean async)\r\n at Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.<>c__DisplayClass12_01.b__0()\r\n at Microsoft.EntityFrameworkCore.Query.Internal.CompiledQueryCache.GetOrAddQuery[TResult](Object cacheKey, Func1 compiler)\r\n at Microsoft.EntityFramework...