entity framework 6 0

Entity Framework 6 Recipes 2nd Edition (10-10), entityrecipes 10-10. The insert, update, and delete operations inherited by TPH are mapped to the stored procedure. Problem TPH inherits the model and maps its insert, modify, and delete operations to the stored procedure. Solution Assume that the database has a Product table describing different types (see Figure 1

Entity Framework 6 Recipes 2nd Edition (10-4), entityrecipes 10-4. Return a complex type from the Stored Procedure Problem To use a stored procedure that returns a complex type in a method Solution Suppose we already have Figure 10-3. the model shown in. The Employee model contains the Employee ID, Name, and a complex Address attribute. The Address contains the E

Entity Framework 6 Recipes 2nd Edition (12-3), entityrecipes 12-3. database connection logs Problem You want to record logs for each connection and disconnection from the database Solution EF exposes a StateChange event for the DbContext connection. We need to handle this event and record logs for each connection and disconnection with the database. Suppose our m

Entity Framework 6 Recipes 2nd Edition (11-2), entityrecipes 11-2. Use the "model definition" function to filter entity sets Problem You want to create a "model definition" function to filter an object set. Solution Assume that we have a Customer and bill Invoice model, as shown in Figure 11-2. Figure 11-2.Customer an

Entity Framework 6 Recipes 2nd Edition (10-5), entityrecipes 10-5. Use custom functions in the storage model Problem You want to use udfs in the model instead of stored procedures. Solution Assume that our database has a member (members) and a messages data table, as shown in Figure 10-4: Figure 10-4.A simple database of members and their messages In this case,

Improve response times and handle more users with parallel processingBuilding a Web application using non blocking calls to the data layer is a great it to increase the scalability of your s Ystem. Performing a task asynchronously frees up the worker thread to accept another request and work are being done Ground. Until recently, designing your system this is significantly more complicated. With the. NET Framework 4.5 and

Entity Framework 6 Recipes 2nd Edition (10-1) Translation-> returns an object set in non-Code Frist mode, recipesfrist Stored Procedure Stored Procedures exist in any type of relational database, such as Microsoft SQL Server. stored procedures are some code contained in the database. They usually perform some operations on the data. They can improve the performan

5. Filter overrides You can get Themore details from Microsoft msdnhttp://www.asp.net/visual-studio/ OVERVIEW/2013/RELEASE-NOTES#TOC10 Layout support: Supports only Master Page in MVC2. Supports notonlymaster page but also Layout page in MVC 3 and MVC4. Validation: Client-side Validation and asynchronous controllers are there in MVC2. Unobtrusive Ajax and Client side Validation, Jquery Validation and JSON binding support are in MVC3. Client side validation, Jquery validation an

ASP. net mvc 5 + EF 6 getting started tutorial (5) Model and Entity Framework, mvcentity 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 Download source code: Click here to download The Model in

Date {Get;Set; } Public stringThread {Get;Set; } Public stringLevel {Get;Set; } Public stringLogger {Get;Set; } Public stringMessage {Get;Set; } }}3.model finished, then the most important thing is to have a dbcontext, create a new directory Dal, add a class inheriting DbContext ApplicationDbContext.csusingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingTLT. Models;usingSystem.Data.Entity;namespaceTLT. dal{ Public classApplicationdbcontext:dbcontext { PublicAppl

Entity Framework 6 Recipes 2nd Edition (11-4), recipes11-4 11-4. Call another "model definition" function in the "model definition" Function Problem You want to use a "model definition" function to implement another "model definition" function. Solution Assume that we have a company partnership with their structural model, as shown in Figure 11-4: Figure 11-4.A

'. ' Lasteditip ', ' Extent1 '. ' Password ', ' Extent1 '. ' Realname ', ' Extent1 '. ' Statusid ', ' Extent1 '. ' TypeId ', ' Extent1 '. ' UserName ' from 'UserasWHERE (LOCATE (TRIM ( ' Admin ' > 0 Although not translated into like query, but translated into a locate query!! It's a wonderful, expert explanation.But locate query efficiency is higher than like query!!As follows:===========================================Although the problem i

Set concurrency mode The Entity Framework implements an optimistic concurrency pattern (optimistic concurrency model). By default, concurrency is not checked when entity update data is submitted to the database. For high frequency concurrency properties, you need to set the concurrency mode of the property to fixed. These properties are added to the WHERE claus

Getting Started with Entity Framework 6 Code First using MVC 5 --- use MVC5 to learn EF6 CodeFirst series, mvc5ef6 Preface I am still not used to reading English video materials. I will read this English article and try to sum up this series. The following is the directory: 1. Create an EF entity