How to view database diagram in a Code First using localdb

How to declare one to one relationship using Entity Framework 4 Code First (POCO)

Are you just looking for something like this?...public class User { public int Id { get; set; } public string Username { get; set; } public Profile Profile { get; set; } public int ProfileId { get; set; } } public class Profile { public int Id { get; set; } public string FirstName { get; set; } public string LastName { ...

Creating entity diagrams from code first classes

Assuming your schema has been created from the Code First classes you can reverse the db into a an edmx to visualise the Model. Any classes generated from this obviously won't be related to your Code First classes though.

Reset EF code-first database in LocalDB

So far this is the best approach I have found....Make __MigrationHistory a non-system table....Execute SQL script to drop all tables....To alter __MigrationHistory table, see ...this article... to handle both existing databases and new databases created with code-first....The SQL script is as follows:...EXEC sp_MSforeachtable @command1 = "DROP TABL...

Code First Mapping to Database Views

I have managed to resolve this problem by creating a custom Database Initializer which replaces the default CreateDatabaseIfNotExists initializer. The Codeguru article on ...Understanding Database Initializers in Entity Framework Code First... was enormously helpful in helping me understand what was going on....Code for solution-...using System.Dat...

LocalDB database on fly for entity framework code first

is possible to create an mdf file on fly (at runtime) and use it with entity framework 6 in a code first approach?...I need something like this:...if (mydb.mdf not exists) createmdf(); mycontext ctx = new mycontext(mydb.mdf connection string) ctx.CreateDatabase(); ...Thank you

EF Code Frirst: Before you update your database using Code First Migrations,

I believe it's a one time occurrence while you upgrade your database. ...You can read more at the ....NET Web Development and Tools Blog.... And also see ...Updating ASP.NET applications from ASP.NET Identity 1.0 to 2.0.0-alpha1... linked from that blog post.

How to update model working with EF code first with 'Code First from Database'

Go through the generation process, and during the generation process, it allows you to select tables. Select the newer ones only....Instead of selecting all tables, expand the little triangle and select what you need. You also will have to select any dependent tables, or else the process will fail. If those dependent tables are already there, just ...

Entity Framework 6 Code First From Database context performs CREATE TABLE on existing an VIEW

We have a production Oracle database server maintained by our ERP partner....For some custom development I need to connect to this Oracle database using Entity Framework 6. I have a user that can SELECT any table on the ERP schema and I create views in the schema/user used in my EF context....The view itself is pretty straightforward, a few joins b...

How to define a one to one self reference using Entity Framework Code First

I want to implement versioning on my entity ...Stuff.... Each entity has an optional reference to the next version (the latest version will be null) and an optional reference to the previous version (the first version will be null). I am using entity framework 6, code first. I tried with the following model and modelbuilder statement (and many vari...

Cannot generate C# class from PostgreSQL view using Npgsql + EF6 code first

I am trying to use entity framework code first method to connect to PostgreSQL database, and when I use entity data model wizard in visual studio to generate C# class from database, it can generate classes for each table in database successfully, but the views in database cannot be generated. ...(source: ...linearbench.com...)...(source: ...linear...