data access with the entity framework

... prefer to work with the ASP.NET Web Forms model, see the Getting Started with the Entity Framework and Continuing with the Entity Framework tutorials Before you start, make sure you have the following ... how to use the Entity Framework Entity Framework Development Approaches 11 As shown in the following diagram, there are three ways you can work with data in the Entity Framework: Database First, ... Database.SetInitializer(newSchoolInitializer()); The application is now set up so that when you access the database for the first time in a given run of the application, the Entity Framework compares the database to the model (your...

Ngày tải lên: 20/10/2014, 14:21

... ADO.NET Entity Framework and Entity Data Model Mapping from the Physical to the Conceptual Schema Creating the Default EDM with the Entity Data Model Wizard Modifying Storage to Conceptual Mapping with ... Introducing the ADO.NET Entity Framework A Brief History of Entity Framework s Development Entity Framework s Future The ADO.NET Entity Framework Vote of No Confidence Chapter 9: Raising the Level of Data ... Data Abstraction with the Entity Data Model Understanding the Entity- Relationship Model Entity- Relationship and EDM Terminology Entity- Relationship Diagrams Comprehending Entity Framework Architecture...

Ngày tải lên: 02/07/2014, 12:20

... associated with a DataAdapter, you can modify the presentation of the incoming data structures from the way they appear in the underlying database Yet even with such modifications, many DataSet and DataTable ... Introducing the Entity Framework 215 Defining the Entity Framework s Terms The Entity Framework works with different types of flat, relational, and hierarchical data sources—not just traditional databases ... model-based, although the Framework generates classes and code that makes them more than just items in a model diagram ■■ Entity The core of the Entity Framework is, naturally, the Entity With its ADO.NET...

Ngày tải lên: 03/10/2013, 00:20

... 8: Dynamic Data với ADO.NET Entity Framework 1.3 Tạo Data Model với ADO.NET Entity Framework Trong ví dụ dùng ADO.NET Entity Framework để truy cập vào CSDL My_Database.mdf Để tạo Data Model, ... ADO.NET Entity Framework Các bước xây dựng Dynamic Data với ADO.NET Entity Framework Trả lời:  Tạo project Dynamic Data ADO.NET Entity Framework  Xây dựng Cơ sở liệu  Tạo Data Model với ADO.NET Entity ... Bài số DYNAMIC DATA VỚI ADO.NET Entity Framework Bài giới thiệu cách xây dựng ứng dụng Dynamic Data với ADO.NET Entity Framework Xây dựng ứng dụng Dynamic Data với ADO.NET Entity Framework 1.1...

Ngày tải lên: 13/12/2013, 09:15

... manipulate the contents of the opened file First, specify the type of data in the file by setting the Type property If the file contains text data, specify the character set of the data in the file ... Run the project to test it • Click the Get Records button to retrieve the data Then change the name of Product to Tea and click Update Database To confirm that the change has been made in the database, ... in the pool can be shared among many users, thereby minimizing the impact on the server without frequently closing and reopening connections 12 Module 7: Universal Data Access with ADO 2.5 The...

Ngày tải lên: 21/12/2013, 19:15

... identified by the combination of: – A partial key of the weak entity type – The particular entity they are related to in the identifying entity type Example: Suppose that a DEPENDENT entity is identified ... Degree, Field)} Entity Types and Key Attributes  Entities with the same basic attributes are grouped or typed into an entity type For example, the EMPLOYEE entity type or the PROJECT entity type ... identified by the dependent’s first name and birhtdate, and the specific EMPLOYEE that the dependent is related to DEPENDENT is a weak entity type with EMPLOYEE as its identifying entity type via the identifying...

Ngày tải lên: 12/05/2014, 11:55

... 8: Dynamic Data với ADO.NET Entity Framework 1.3 Tạo Data Model với ADO.NET Entity Framework Trong ví dụ dùng ADO.NET Entity Framework để truy cập vào CSDL My_Database.mdf Để tạo Data Model, ... ADO.NET Entity Framework Các bước xây dựng Dynamic Data với ADO.NET Entity Framework Trả lời:  Tạo project Dynamic Data ADO.NET Entity Framework  Xây dựng Cơ sở liệu  Tạo Data Model với ADO.NET Entity ... Bài số DYNAMIC DATA VỚI ADO.NET Entity Framework Bài giới thiệu cách xây dựng ứng dụng Dynamic Data với ADO.NET Entity Framework Xây dựng ứng dụng Dynamic Data với ADO.NET Entity Framework 1.1...

Ngày tải lên: 20/06/2014, 23:20

... centralizing the data- specific code within well-defined classes The View The second tier comprising the MVC architecture is the view The view is responsible for formatting and displaying the website's data ... within the Bootstrap class found in this file will automatically execute with each invocation of the framework (with every request) Further, these method names must be prefixed with _init, otherwise ... provides you with the foundation for separating these tiers from the very beginning of your project! Let's review the role each tier plays within the MVC architecture The Model You can snap up the coolest...

Ngày tải lên: 23/06/2014, 13:03

... game store! Other specifiers exist for managing other formatting characteristics of the variable data, including among others whether the data should be left- or right-justified, the precision ... own website on the topic And with the proliferation of powerful programming languages and frameworks such as PHP and the Zend Framework, and the ability to plug into enormous databases via services ... weighing the server down with superfluous features On the next page you'll be asked whether you'd like to register for the MySQL web site Presuming you'd rather not for the moment, click the "No...

Ngày tải lên: 27/06/2014, 21:20

... game store! Other specifiers exist for managing other formatting characteristics of the variable data, including among others whether the data should be left- or right-justified, the precision ... own website on the topic And with the proliferation of powerful programming languages and frameworks such as PHP and the Zend Framework, and the ability to plug into enormous databases via services ... weighing the server down with superfluous features On the next page you'll be asked whether you'd like to register for the MySQL web site Presuming you'd rather not for the moment, click the "No...

Ngày tải lên: 05/07/2014, 17:20

... reading the CSV file's contents, and formatting and displaying the data to the browser To begin, place the newly saved CSV file within your application's home directory so the script can easily access ... about the details of the require() command in the next section, including how the require() command was able to locate the package without having to define the complete path • Line 07 dumps the ... inconveniencing them by forcing them to complete the form anew In this step I'll show you how to repopulate forms with user data to save them the hassle • Step #4 Sending Form Data via E-mail:...

Ngày tải lên: 05/07/2014, 17:20

... into the database While you could manually insert the data into the newly created table, in this section you'll learn how to import the spreadsheet data directly into the table Creating the games ... prepopulated with the contents of the row associated with the primary key You'll then be able to change the contents and send them back to the database for modification purposes The script (platform-edit.php) ... INTRODUCING THE ZEND FRAMEWORK • Step #2 Introducing the Zend Framework: With so many Web frameworks available, why should you choose the Zend Framework? In this step I'll highlight some of the features...

Ngày tải lên: 05/07/2014, 17:20

... interaction with the database While not required, this saves us from the hassle of having to explicitly identify the connection when interacting with the database Once you've successfully made the connection, ... database access solution for developers because it was built with the assumption the developer would be most comfortable interacting with the database by way of the very same language used to build the ... $game->find(array(1,4)); Presuming both of the primary keys exist in the database, the row associated with the primary key will be found in offset [0], and the row associated with the primary key will be found...

Ngày tải lên: 05/07/2014, 17:20

... breakdown the code: • The friend_a_id column contains the primary key of one of the friends found in the connection The friend_b_id column contains the primary key of the other While there are ... 300px"> Without other instructions, the map will automatically fill to the size of the div container, therefore to change the map size all you need to is change these values accordingly While there ... you'll render the map within the view Let's start with the first task, adding the following two lines in between the tags of the layout.phtml file:

Ngày tải lên: 05/07/2014, 17:20

... directly to the raw JavaScript file (.js extension) rather than the typical zip file found with other downloads Once the prototype.js file is in place, to begin using Prototype within the Zend Framework, ... Defines the minute (0-59) of the hour, with the first minute represented by • Field 2: Defines the hour (0-23) of the day, with 1am represented by • Field 3: Defines the day (1-31) of the month ... this data is cached locally, and regularly updated in accordance with the terms of service Nonetheless, the above example nicely demonstrates how to use the web service to pull this data together...

Ngày tải lên: 05/07/2014, 17:20

... view the Analytics data You can give other users access to the service in just a few steps: Login to Analytics Choose the desired account by clicking on its name within the Accounts table Click the ... at the bottom of the page Download at Boykma.Com CHAPTER 13 • MONITOR TRAFFIC AND MANAGE ADS WITH GOOGLE Click the User Manager link at the bottom of the page On the page that appears, click the ... retrieve the e-mail interface From there, click the Schedule tab located at the top of the interface Complete the form (shown in Figure 13-5) and press the Schedule button to schedule the e-mail...

Ngày tải lên: 05/07/2014, 17:20

... show the soil types, describe their properties, and explain the characteristics used to recognize them in the territory of their community (Figure 2) The WRB framework was used to develop the ... others [41,42] In the Yucatec Maya perception, color is a highly differentiating attribute used to distinguish soils at the higher levels of the soil classification From the soils in the northern ... [14] The consideration given to stoniness in the MSC could help improve the WRB classification with the introduction of qualifiers to recognize the presence of calcareous coarse fragments in the...

Ngày tải lên: 10/08/2014, 09:20

... with data using the data model and the ASP.NET EntityDataSource control The Entity Framework and ASP.NET – Getting Started © 2011 Microsoft Corporation Part 1: Overview 20 Part 2: The EntityDataSource ... either the designer or the Model Browser pane you can see how the Entity Framework relates the objects of the two models Right-click the Person entity and select Table Mapping The Entity Framework ... the Data tab of the Toolbox, drag a GridView control to the right of the EntityDataSource control, name it StudentsGridView, click the smart tag, and then select StudentsEntityDataSource as the...

Ngày tải lên: 18/10/2014, 16:24

Ngày tải lên: 08/10/2013, 21:20

... all the routine database code that would only get in the way of the example You should use your favorite data- access technique to retrieve the data from the database Also note the CSharpDataType() ... against these mangled data sets, the users become frustrated when the data doesn’t looks like what they’ve recently been working with It’s very easy to back up and restore the production data over the ... table_name; The Oracle Dictionary table contains the list of all tables and views Figure 1-3 shows the list of the main metadata tables along with their descriptions Figure 1-3 Oracle table metadata The...

Ngày tải lên: 06/08/2013, 17:29