programming entity framework code first

1. Add the Codefirststorefunctions package to the project:Install-package entityframework.codefirststorefunctions2, register function, functionsconvention the second parameter is the class where the function definition residesprotected Override void base//modelBuilder.Conventions.Add (new Functionsconvention ("dbo" This3, define the function corresponding to the method, to enter the data in the function signature is consistent[Dbfunctionattribute ("codefirstdatabaseschema""getdistance" public

Entity Framework object Framework formation journey-Entity Framework based on generic warehousing model (1), entityframework I haven't written a blog for a long time, and some readers often ask some questions. However, I have been very busy recently. Besides my daily work, i

Entity Framework object Framework formation journey-Entity Framework based on generic warehousing model (1), entityframework I haven't written a blog for a long time, and some readers often ask some questions. However, I have been very busy recently. Besides my daily work, i

Entity Framework tutorial -- Entity type in Entity Framework, entityframework Entity types in Entity Framework: In the previous chapter, we

Http://www.cnblogs.com/xlovey/archive/2011/01/03/1924800.htmlADO Entity Framework OverviewADO in the new version features the new Entity Framework. It enables developers to focus on data through the object model, rather than the logical/relational data model. The Entity

ADO Entity Framework OverviewADO in the new version features the new Entity Framework. It enables developers to focus on data through the object model, rather than the logical/relational data model. The Entity Framework helps abst

use LINQ, this is not necessary and cannot be done in this way. After the Entity Framework is used, we mainly use LINQ to perform some set operations. Although these LINQ operations are a bit difficult, they are easy to learn and process. At the data access layer, the processing functions are the same as those described above. The following shows the code for th

In the previous article, you have learned how to implement a table inheritance for each hierarchy. In this section, you will learn the advanced features that you can take advantage of when you develop an ASP. NET Web application using entity Framework Code first.In this section you will reuse the pages that you have created before, and then you need to create a n

In the previous article, you have learned how to implement a table inheritance for each hierarchy.In this section, you will learn the advanced features that you can take advantage of when you develop an ASP. NET Web application using entity Framework Code first.In this section you'll reuse the pages you've created before, and then you'll need to create a new page

What is the Entity Framework?Writing and managing ADO code for data access is a tedious and monotonous job. Microsoft has provided a O/RM framework called "Entity framework" to automate database related activities for your applic

the context SqlserverContext for data access and several table entity classes. The specific effect is as follows. We ideologically put it in the DAL directory, under the Entity directory, is actually not possible, at least there is a conflict. So how can we handle these automatically generated content in a reasonable manner? In addition, we have upgraded it to the business layer. How does the BLL layer pr

ADO. NET Entity Framework I have been paying attention to this architecture for a while, but I have not seen the official release of the architecture because of my busy schedule, and I have not taken the time to learn more about it, Vs2008 SP1 After the release, ADO. NET Entity Framework And Net3.5sp1 Integrated

In the previous article, we saw the difference between the relationship world and the object world. As you can see, the applicationProgramProcessing database data using object models is complex. The next question is who will handle this complexity. The answer is that if you are crazy, you can solve it by yourself. Otherwise, you can use the O/RM tool, or more specifically, the Entity Framework. What is o/

the context SqlserverContext for data access and several table entity classes. The specific effect is as follows. We ideologically put it in the DAL directory, under the Entity directory, is actually not possible, at least there is a conflict. So how can we handle these automatically generated content in a reasonable manner? In addition, we have upgraded it to the business layer. How does the BLL layer pr

build an example program. First, use Entity Data Model Wizard Create the following northwinddb. edml file. Conceptual Model and Logical Model View: This example uses the northwind sample database. Code Add, delete, modify, and query the MERs table. 1. Add MERs Record Using(NorthwindentitiesMydb =New Northwindentities()) { MERsCustomer =New MERs(); RandomRm =New Random(); Customer. cus

, because we have the DTO and entity generated automatically by the Code generation tool, their attribute names are consistent, Then we just need to map the objects to each other at the application layer. public class RoleService: Baselocalservice private irolebll BLL = null public RoleService (): base ( Ifactory.instance ()) {BLL = basebll as IROLEBLL; // dto and the

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 Framework