entity framework example

service Pack1 from the address below:http://www.asp.net/downloads/Note: There is no necessary connection between ASP. NET MVC and the Microsoft Entity Framework. In addition to using the entity Framework in ASP. NET MVC, you have several options. For example, you can use ot

Entity Framework object Framework formation journey -- using Fluent API configuration in Code First mode (6), -- codefluent The previous article Entity Framework formation journey-Code First Framework Design (5) introduced the exp

method has a async version. Here is an example of a application service method that uses an asynchronous model: public class Personappservice:abpwpfdemoappservicebase, Ipersonappservice { private readonly irepository The Getallpeople method is asynchronous and uses getalllistasync and await to preserve the keyword. Async is not available in every ORM framework. The above

service Pack1 from the address below:http://www.asp.net/downloads/Note: There is no necessary connection between ASP. NET MVC and the Microsoft Entity Framework. In addition to using the entity Framework in ASP. NET MVC, you have several options. For example, you can use ot

This essay list:1. Foreign key Column name default convention2, one-to-many relationship3. One-to-one relationship4. Many-to-many relationships5. A one-to-many reflexive relationship6. Many-to-many reflexive relationshipsIn a relational database, it is not always the case that all the tables exist separately, but they are related to each other. There can be a foreign key dependency between two different tables, and a table can have a reflexive relationship (a field in the table refers to a prima

This essay list:1. Foreign key Column name default convention2, one-to-many relationship3. One-to-one relationship4. Many-to-many relationships5. A one-to-many reflexive relationship6. Many-to-many reflexive relationshipsIn a relational database, it is not always the case that all the tables exist separately, but they are related to each other. There can be a foreign key dependency between two different tables, and a table can have a reflexive relationship (a field in the table refers to a prima

Visual Studio 2008 service pack1 or visual web developer with service pack1 from the address below: Http://www.asp.net/downloads/ Note:There is no necessary link between ASP. net mvc and Microsoft Entity Framework. In addition to using Entity Framework, ASP. net mvc also provides several optional methods. For

return results as stronugly typed objects, and call stored procedures that return strongly typed results through stronugly typed methods. A key design principle of LINQ to SQL is that it "just work" for the common cases; so, for example, if you access a collection of orders through the orders property of a customer, and that customer's orders have not previusly been retrieved, LINQ to SQL will automatically get them for you. LINQ to SQL reli

In the previous article, we created an MVC application using the entity Framework and SQL Server LocalDB, and used it to store and display data. In this article, you will modify the CRUD (create, read, update, delete) code that is automatically created by the MVC framework.Note: Typically, we create an abstraction layer between the controller and the data access layer to implement the warehousing model, and

, and are not intruded by other frameworks. PO PO refers to a persistent object (persistant object ). The persistent object must actually correspond to the entity in the database, so it is different from POJO. For example, POJO is created by new and recycled by GC. However, the persistent object is created in the insert database and deleted by the delete database. Basically, the lifecycle of persistent obje

The school data model was completed in the previous article, and you will then learn how to read and display the relevant data-this is the data that the Entity Framework loads into the navigation properties.is done after thedelay, pre-and display loading related dataThe Entity Framework can load data into the navigatio

and logical models can be one-to-a-kind associations,but it doesn't have to be linked in a one-to-one way,this isEDMthe function,like,an entity in the conceptual model,This entity actually derives its data from multiple tables in the database.You can see for yourself.XMLfile,can read it all ..Speaking of this ,,error when importing a table without a primary key in the