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Programming Entity Framework DbContext Querying Changing and Validating Your Data with Entity Framework
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Programming Entity Framework: DbContext: Querying ~ The DbContext API captures Entity Framework’s (EF) most commonly used features and tasks, simplifying development with EF. This concise book shows you how to use the API to perform set operations with the DbSet class, handle change tracking and resolve concurrency conflicts with the Change Tracker API, and validate changes to your data with the Validation API.
Programming Entity Framework: DbContext [Book] ~ The DbContext API captures Entity Framework’s (EF) most commonly used features and tasks, simplifying development with EF. This concise book shows you how to use the API to perform set operations with the DbSet class, handle change tracking and resolve concurrency conflicts with the Change Tracker API, and validate changes to your data with the Validation API.
Programming Entity Framework: DbContext ~ The DbContext API is not released as part of the .NET Framework. In order to be more flexible (and frequent) with releasing new features to Code First and the DbContext API, the Entity Framework team distributes EntityFramework.dll through Microsoft’s NuGet distribution feature. NuGet allows you to add references to your .NET projects by pulling the relevant DLLs directly into your project .
Programming Entity Framework ~ readers how to use this version of Entity Framework in Visual Studio 2010. When .NET 4 was released, the Entity Framework team was already hard at work on a new addition, called Code First, to provide an alternative way of building the Entity Data Model that is core to Entity Framework. Rather than using a visual designer, Code
Programming Entity Framework DbContext Querying, Changing, and Validating Your Data with Entity Fram ~ Programming Entity Framework DbContext Querying, Changing, and Validating Your Data with Entity Fram Doug Emmons. . Master Entity Framework Core–Map, Query & Manipulat Data: .
Downloads : Programming Entity Framework ~ 1st ed: Database Scripts for Programming Entity Framework (202kb) *updated 1/31/2009 (minor change to data in BreakAway) *updated 2/25/2009 to add vOfficeAddresses view back into BreakAway. It is not used in code samples, but is used to help explain DefiningQuery in Chapter 13.
Validate Entity in Entity Framework ~ Validate Entity in Entity Framework 6. You can write custom server side validation for any entity. To accomplish this, override the ValidateEntity method of DbContext as shown below. protected override System.Data.Entity.Validation. DbEntityValidationResult ValidateEntity(DbEntityEntry entityEntry, System.Collections.Generic.
Querying in Entity Framework ~ Querying in Entity Framework. You can build and execute queries using Entity Framework to fetch the data from the underlying database. EF 6 supports different types of queries which in turn convert into SQL queries for the underlying database. Entity framework supports three types of queries: 1) LINQ-to-Entities, 2) Entity SQL, and 3) Native SQL
Entity Framework 5 - DbContext Has Changes? - Stack Overflow ~ I'm trying to find a way to determine of any changes have been made to a database context (DbContext). Note: I'm using Visual Studio 2012 with Entity Framework 5 on a Windows 7, 64-bit box. Back when I used to use ObjectContext instead of DbContext, I could do something like:
Retrieving data with DbContext – chsakell's Blog ~ Home › ADO.NET › Retrieving data with DbContext. Retrieving data with DbContext By Christos S. on August 24, 2013 • ( 3). DbContext class is the one among others that the Entity Framework team has created, in order to facilitate developers when accessing and manipulating database data. In a nutshell, DbContext, DbSet, and DbQuery are the classes that have encapsulated the most frequently .
Programming Entity Framework: Dbcontext: Lerman, Julia ~ The book is part of the O'Reilly Programming Entity Framework series and keeps up the high standard set by the first book in the series, Programming Entity Framework, now in its 2nd edition which is by far and away the best book I have found on the Entity Framework and while it is excellent it is also quite in depth.
Entity Framework - DbContext - Tutorialspoint ~ The Entity Framework enables you to query, insert, update, and delete data, using Common Language Runtime (CLR) objects which is known as entities. The Entity Framework maps the entities and relationships that are defined in your model to a database. It also provides facilities to − Materialize data returned from the database as entity objects
Best Entity Framework Books - TekTutorialsHub ~ Introducing the DbContext API; Querying with DbContext; Adding, Changing, Deleting Entities; Working with disconnected Entities; Change Tracker API; Validating with the Validation API; Customizing Validations; Using DBContext in Advanced Scenarios; What’s Coming Next for Entity Framework
Programming Entity Framework: DbContext: ~ The DbContext API captures Entity Framework’s (EF) most commonly used features and tasks, simplifying development with EF. This concise book shows you how to use the API to perform set operations with the DbSet class, handle change tracking and resolve concurrency conflicts with the Change Tracker API, and validate changes to your data with the Validation API.
Programming Entity Framework: DbContext eBook by Julia ~ The DbContext API captures Entity Framework’s (EF) most commonly used features and tasks, simplifying development with EF. This concise book shows you how to use the API to perform set operations with the DbSet class, handle change tracking and resolve concurrency conflicts with the Change Tracker API, and validate changes to your data with the Validation API.
Programming Entity Framework by Julia Lerman - Books on ~ If you use Entity Framework in Visual Studio 2008 and .NET 3.5, this is the book you want. Programming Entity Framework, 1st Edition offers experienced developers a thorough introduction to Microsoft's core framework for modeling and interacting with data in .NET applications. This hands-on tour provides a deep understanding of Entity Framework's architecture and APIs, and explains how to use .
Database.SqlQuery Method (System.Data.Entity) / Microsoft Docs ~ Creates a raw SQL query that will return elements of the given type. The type can be any type that has properties that match the names of the columns returned from the query, or can be a simple primitive type. The type does not have to be an entity type. The results of this query are never tracked by the context even if the type of object returned is an entity type.
DbContext in Entity Framework - TekTutorialsHub ~ The older version of the entity framework used objectContext. DbContext is actually a wrapper around the objectContext class. DbContext manages the lifecycle of entity objects during runtime. It gets the data from the database and populates the objects, tracks their state using change tracking, and finally persists the data to the database.
How to use the DbContext in Entity Framework Core / InfoWorld ~ The DbContext is an integral component of the Entity Framework that represents a connection session with the database. You can take advantage of the DbContext to query data into your entities or .
Basic Query - Entity Framework ~ test. In Entity Framework, querying data is executed against the DbSet properties of the DbContext.. The DbSet and IDbSet implement IQueryable, so you can easily write a LINQ query against the database.; LINQ is a component in the .NET Framework that provides query capability against collections in C# or VB.
Manning / Entity Framework Core in Action ~ Entity Framework is an object-relational mapper (ORM) that bridges this gap, making it radically easier to query and write to databases from a .NET application. EF creates a data model that matches the structure of your OO code so you can query and write to your database using standard LINQ commands.
- How to get "Programming Entity Framework: DbContext ~ Normally, when I work with Entity Framework, I have a connection string in my configuration that tells Entity Framework what database to connect to and what credentials to use. However, in this BAGA solution, I cannot find a connection string or a reference to a database anywhere in the solution.
Programming Entity framework. Dbcontext (eBook, 2012 ~ The DbContext API captures Entity Framework's (EF) most commonly used features and tasks, simplifying development with EF. This concise book shows you how to use the API to perform set operations with the DbSet class, handle change tracking and resolve concurrency conflicts with the Change Tracker API, and validate changes to your data with the Validation API.
Programming Entity Framework - Microsoft Azure ~ The Book, The Training. Julie Lerman is recognized as the foremost expert outside of Microsoft on Microsoft's ADO.NET Entity Framework. Julie is available to mentor your company whether you are trying to choose a data access platform or are ready to implement Entity Framework into your architecture.
