I have started a very simple ASP.Net MVC4 applictaion with a Database first approach (with existing DB). I have generated ....edmx... using ADO.Net Entity Data Model template. The process has created a ...xxxxxxx.Designer.cs... file under ...xxxxxxx.edmx....
We know EF generates classes based on Tables we added to ....edmx... file. Which will not any [DisplayName] DataAnnotations for them. ...How can I add this [DisplayName] of generated classes without modifying them? because generated classes can be overrid...
In ...EF Code First..., we can create one-to-one relationship by coding like this:...public class User
{
public int UserID {get;set;}
public string Name {get;set;}
public int UserDetailID {get;set;}
public UserDetail Detail {get;set;}
}
public class Use...
Let's say we have four entities in data model: Categories, Books, Authors and BookPages. Also assume Categories-Books, Books-Authors and Books-BookPages relationships are one-to-many. ...If a category entity instance is retrieved from database - including...
Hello I have something like this:...public ActionResult Edit(int id)
{
var movie = (from m in _db.Movies where m.Id == id select m).First();
return View(movie);
}
[HttpPost]
public ActionResult Edit(Movie movie)
{
try
{
var origi...
i'm new to MVC and have to update my model....I have an SQL Server database already connected to my project, today I add a new column. Now I need to update my MVC code to reflect the change. ...Everything online tells me to update the .edmx and .tt files ...
I'm using EF5 with a Database-First model. And a database project in visual Visual Studio to maintain the Sql Server database schema of an application....To update the EF model, I'm deploying the changes in a empty database... ...Is it possible to generat...
I have a stored procedure that returns multiple result sets. Each one is a complex type. The first result set would contain a list of items of the same complex type as the second result set, etc. These do not cleanly correlate to specific entities. Fo...
We are using ...Entity Framework 6.0.0... and use database first ...(like this)... to generate code from tables and stored procedures. This seems to work great, except that changes in stored procedures are not reflected when updating or refreshing the mo...
I am following along Pro ASP.NET MVC 4 by Adam Freeman on VS 2010 (I downloaded the MVC 4 template online). I have worked with the .edmx file before, but in Chapter 7 he does not do this. I setup a basic connection string with SQL Server in my web.config ...
I am having a weird issue with MySql Connector(6.8.3) and EF6. I was working on a WebApi project where I use MySql and EF6 with Database first approach. Everything worked fine[even deployed on one of the test servers] until I changed the database from 'Te...
After upgrading our project from using Entity Framework 5 to Entity Framework 6 (though NuGets update function) i get the following error on my generated Entities class:...Error 1 The type or namespace name 'Objects' does not exist in the namespace 'Sy...
I am trying EF6 and trying to utilize a many to many relationship....Using Database first here is my scripted out database....CREATE TABLE [States] (
Id int identity (1, 1) not null primary key,
Name varchar(50) not null,
Abbreviation varchar(...
I'm trying to implement inheritance using entity framework 6.0 and database first approach. OK, let's say I have a ...Person... and an ...Organization... entity like below:...// a simplified version of organization entity
public class Organization
{
p...
Assumptions...Using EF 6.1, MVC 5, VS 2013, C#...I have an existing database model designed in Toad DM for SQL Server and it's very important keep it always updated...Steps and Notes...Using ADO.NET Entity Data Model I chose ...Code First from Database...
Can i change entity framework database first auto generated classes (under .tt) to derive from a base class (BaseEntity)?...Some of my domain classes has two property (CreateDateTime & CreateUserId) and i want to set this properties automatically before S...
I have created an MVC Web App using Database First. The default db for the ASP.Net Identity data is a local database. I need to change this to my sql server db which already exists. I have looked everywhere. The only articles about this seem to deal with ...
I'm new to EF and inherited a project that apparently used database-first development....The production environment uses SQL Azure and I'm basically trying to figure out the standard approach for updating its schema. ...At first, I tried enabling migratio...
I am trying to update record using EF6. First finding the record, if exists, update it.
Here is my code:-...var book = new Model.Book
{
BookNumber = _book.BookNumber,
BookName = _book.BookName,
BookTitle = _book.BookTitle,
};
using (var db =...
Let’s say in my EF6 project [Database-first approach] I have a complex type called ...Address... [just to clarify my complex type does not have any identity and is only a merge of aggregation of standalone data and it is not even responsible for its own...