entity framework tutorial pdf

This article from: http://www.cnblogs.com/bluedoctor/archive/2011/08/10/2133983.html In general, our ORM framework usesSingle TableOrViewMap to oneEntity classSometimes stored procedures are mapped to object classes. If you do not want to write the stored procedures, how can these complex SQL queries be mapped to object classes? In fact, whether it is a single table, view, or stored procedure,SQL Server Table value functions, Custom SQL queries

objects and Mapping information on how Domain OB Jects map to relational database objects (tables, views StoredProcedures). ORM allows us to keep the database design separate from our domain class design. This makes the application maintainable and extendable. It also automates standard CRUD operation (Create, Read, Update Delete) so that the developer doesn ' t need to write it manually.A Typical ORM tool generates classes for the database interaction for your application as shown below.Visi

Entity Framework tutorial -- install Entity Framework environment, entityframework Install the Entity Framework Environment Entity

Entity Framework tutorial -- What is Entity Framework, frameworkentity What is Entity Framework? Writing and managing ADO. NET is a tedious and boring task. Microsoft provides an ORM

Installing the Entity Framework EnvironmentThe Entity Framework 5.0 API is distributed in two locations, one can be found in the NuGet Package Manager, and one exists in the. NET Framework. NET Framework 4.0/4.5 contains the EF co

the database and to return it back. Object Service is responsible for materialization, which are the process of converting data returned from an entity client Data provider (next layer) to an entity object structure.Entity Client Data Provider: The main responsibility of this layer are to convert L2E or Entity SQL queries into a SQL query which are understood by

. Second, you just want to focus on designing a specific domain class before you use these classes to build the database. Thirdly, you want to design your database model from the designer provided by Visual Studio, and then build the database and the corresponding classes from that model.The above three cases are illustrated by examples.1.EF helps you build classes from existing databases so that you can work with the instances generated by this class and with ADO.2. You can focus on your busine

Validate EntityYou can write the custom server side validation for any entity. To accomplish this, override validateentity method of DBContext as shown below.protected OverrideSystem.Data.Entity.Validation.DbEntityValidationResult validateentity (Dbentityentry entityentry, system.collections.generic.idictionaryObject,Object>items) { if(entityentry.entity isStudent) { if(entityentry.currentvalues.getvaluestring> ("Studentname") =="") {

Based on. NET Microsoft ORM Framework Video Tutorial (Entity framework Technology)First Speaking ORM MappingSecond, the first knowledge entifyframework frameThird, LINQ expression queryThe four-way LINQ method queryV about LINQ to EntitiesSix talk ObjectQuery query (UP)Seventh talk ObjectQuery query (bottom)Eighth, add

I recently re-learned Entity Framework. I saw a good learning tutorial. I will repost it here. The tutorial is as follows. Abstract: I recently studied Microsoft's ef. After studying this time, I feel that this EF is not perfect yet. It is a semi-finished product. However, it is said that in. net4.0, Microsoft will rec

ASP. NET MVC5 + EF6 getting started tutorial (5) Model and Entity Framework, mvc5ef6 Source: Slark. NET-blog Park http://www.cnblogs.com/slark/p/mvc-5-ef-6-get-started-model.html Previous section: ASP. net mvc 5 getting started tutorial (4) View and ViewBag Next section: ASP. NET MVC5 + EF6 getting started

Original: ASP. MVC5 + EF6 Introductory Tutorial (5) Model and entity FrameworkArticle Source: slark.net-Blog Park http://www.cnblogs.com/slark/p/mvc-5-ef-6-get-started-model.htmlPrevious section: ASP. NET MVC 5 Getting Started Tutorial (4) View and ViewBagNext section: ASP. MVC5 + EF6 Tutorial (6) View Razor useSOURCE

Entity Framework FoundationThis textbook will teach you how to use the Entity Framework, and we will use Entity Framework 6.0 and Visual Studio 2012.The following table is a major version of the

create a new diagram and move Teacher and Course entities to a new diagram as shown below:So, in the this-is-a-can create a new diagram from an existing diagram.You can also include the related entities of a particular entity. For example, right click on Student entity→select ' Include related '. Standard and Course entities would also be included, because Student have their reference property:This would i

Entity Framework tutorial -- create an object data model, entityframework Create an object data model: This article will show you how to create an EDM SchoolDB database and understand the infrastructure module. The Entity Data Model (EDM) is a model used to describe the relationship between entities. The following uses

ASP. net mvc Entity Framework getting started tutorial and source code, mvcentityThe main purpose of this article is 1. describes how to use Entity Framework Power Tools. 2. Entity Framework