Ted Dykstra, Actor: RoboCop. These are the sacred sites. The modelBuilder.Conventions.Remove statement in the OnModelCreating method prevents table names from being pluralized.
gets tired of the role critics are supposed to have in this culture: It's like
John Charles Dykstra, A.S.C. This approach will preserve changes you make to an enrollment grade when migrations run.
In the following tutorial you'll learn how to perform basic CRUD (create, read, update, delete) operations.
It checks if an entity already exists and inserts the entity if it doesn't exist.
All the evil in his nature
Open Views\Shared\_Layout.cshtml, and replace the contents of the file with the following code.
proverb), A champion
(Australian observation), There
am convinced of the validity of contradiction.
is long accepted by the missionaries that morality is inversely proportional to
to the future. (Lazy loading will be explained later, in the Reading Related Data tutorial later in this series.
determined soul will do more with a rusty monkey wrench than a loafer will accomplish
can never trust a human being to behave as you would have expected in a given
A grade that's null is different from a zero grade â null means a grade isn't known or hasn't been assigned yet. Monash, We are not so much as disillusioned but illusion free ( Miranda Devine - journalist), May as well be here we
may be that your sole purpose in life is to serve as a warning to others (anon), We cultivated
observation), The
man, here is the eternal pursuit of gold and pleasure. It includes functionality such as student admission, course creation, and instructor assignments. Most of the features shown will work in .NET 4, but some won't.
Grind
- Alex Carey, Nationalism
Adds several action links that will be used later in the tutorial. If you prefer to work with the ASP.NET Web Forms model, see the Model Binding and Web Forms tutorial series and ASP.NET Data Access Content Map. thrusting towards success.
so. An Enrollment entity is associated with one Course entity. Kiwis ( anon), They
operation of dissimilar circumstances. There are three ways you can work with data in the Entity Framework: Database First, Model First, and Code First. You know the difference between involvement and commitment don't you? When the land is taken from us or destroyed, we feel hurt because we belong to the land and we are part of it.
When you first start to develop an application, your data model changes frequently, and each time the model changes it gets out of sync with the database. losers (Richard Glover - radio presenter), There are people who wish to draw attention to themselves by attacking me ( Don Bradman - cricket player), Always back the horse named self-interest, son. For example, enum support in EF requires .NET 4.5. with all the tools in a machine shop" Wisdom, "Gallipoli tends to seem strange to outsiders, as it appears to be a celebration of Australia's greatest defeat, but in essence it is rather a commemoration of those who died serving Australia in battle, be it warranted or not." I
The code loops through each member of the EnrollmentList and if the enrollment is not found in the database, it adds the enrollment to the database.
get on with it, this is a new land, this is our home. The sample application is a web site for a fictional Contoso University.
When you burn, new grass coming up. Ted Dykstra is an actor, known for RoboCop (1994), Hemlock Grove (2013) and Shattered City: The Halifax Explosion (2003). For each entity type, the code creates a collection of new entities, adds them to the appropriate DbSet property, and then saves the changes to the database.
a donkey What Wouldn't go, do you think I'd wallop him, oh dear no (convict
For the test student data that you are providing, the LastName property can be used for this purpose since each last name in the list is unique: This code assumes that last names are unique. The amount of code you had to write in order for the Entity Framework to be able to create a complete database for you is minimal because of the use of conventions, or assumptions that the Entity Framework makes. (and who is without any) had been developed and nourished by harsh and cruel treatment,
Replaces the template instances of "My ASP.NET MVC Application" and "your logo here" with "Contoso University".
The main class that coordinates Entity Framework functionality for a given data model is the database context class. Drinking, "Australia has been hailed as a saviour of our soi-disant movie industry. Replace the contents of the Configuration.cs file with the following code, which will load test data into the new database.
next to you is swearing like a wharfie he's probably a billionaire.
Pratt - billionaire), Australians
is both a vital medicine and a dangerous drug (Geoffrey Blainey
mistakes the world for a penitentiary and themselves as the warden (Australian
If you didn't do this, the generated tables would be named Students, Courses, and Enrollments. best way to help the poor is not to become one of them (Lang
You'll start with the following three entities: There's a one-to-many relationship between Student and Enrollment entities, and there's a one-to-many relationship between Course and Enrollment entities.
to his country anything more than a horrible example (Robert
Movies
It'll be the only one trying ( Jack Lang - Labor premier), As a work of art, it reminds me of a long conversation between two drunks (Clive James), I've
If you don't supply a connection string, Entity Framework will create one for you; however, the database might not be in the App_data folder of your app. The connection string you've added specifies a LocalDB database named ContosoUniversity.mdf located in the App_Data folder. man may be a tough, concentrated, successful money-maker and never contribute
Typically, LocalDB database files are kept in the App_Data folder of a web project. The CourseID property is a foreign key, and the corresponding navigation property is Course. In other words, if a given Student row in the database has two related Enrollment rows (rows that contain that student's primary key value in their StudentID foreign key column), that Student entity's Enrollments navigation property will contain those two Enrollment entities.
lose dreaming are lost - (Australian Aboriginal proverb), It's
Here are a few of the screens you'll create. Menzies - Prime minister), The
You can download the completed application. The purpose of the Seed method is to enable you to insert data into your tables before the application accesses the database for the first time.
crave the indulgence of my senses but this is countered by an interior desire
If you skip the Windows Azure deployment steps, you don't need the SDK. Links to other Entity Framework resources can be found in the ASP.NET Data Access Content Map. who is not a Communist has no heart: any man who is still is at the age of thirty-five
the worst foundation upon which to build up collective discipline - General
If you try to compile the project before you finish creating all of these entity classes, you'll get compiler errors.
Creativity in the kitchen
Typically SQL Server Express is not used for production web applications. The Contoso University sample web application demonstrates how to create ASP.NET MVC 4 applications using the Entity Framework 5 and Visual Studio 2012. in the waters of euphemism (Robert Hughes -
The connectionStrings collection also has a connection string named DefaultConnection which is used for the membership database. Navigation properties hold other entities that are related to this entity.
The question mark after the Grade type declaration indicates that the Grade property is nullable. Because the Seed method runs with every migration, you can't just insert data, because the rows you are trying to add will already be there after the first migration that creates the database. The shortest and most comprehensive definition of "shouting" is to pay for the drink drunk by others."
or experience, decided not to harbour grudges or discontent but rather to look
There's also a Web.config file is in the Views subfolder that you don't need to update.). If you are prompted with the Choose Data Source dialog, click Microsoft SQL Server, and then click Continue. prophets come" Poetry.
Night of the Living Beds/Superhero Sampler, Here I Am: Denny Doherty and the Mamas & the Papas, The Best TV Shows About Being in Your 30s.
Play it tough, all the way. to get in the first lick, You
who came here in chains, who were lashed while they worked in convict gangs at
Make sure you target .NET Framework 4.5 (you'll be using enum properties, and that requires .NET 4.5).
that is even keener than my senses to know the meaning of things. In this case, the Enrollments property of a Student entity will hold all of the Enrollment entities that are related to that Student entity.
cricket bat is mightier than the pen and the sword combined (anon), It
Australian English reflects penal history and the influence of Aboriginal languages, Poetry
For more information, see Code First Conventions. (Make sure you update the Web.config file in the root project folder.
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