Entity Framework 6 - Knowledge Base (KB)
50 results in tag: visual-studio-2012
Is MySQL Entity supported in Visual Studio Ultimate 2012 RC?
I installed ...MySQL connector for .Net v6.5... and it is supported by Entity Framework. When I use Visual Studio 2012 and try to add an ADO.NET Entity Data Model, I can't see MySQL. There are just Microsoft SQL Servers. It worked in VS 2010....This ques...
asked by unbalanced
Visual Studio 2012 - Can't move EF .tt files
I noticed in VS2012 that when you make a new EF Model (.edmx) that the DbContext is the default code generation and the .tt (T4 template) files ...are now nested underneath... the .edmx file in the Solution Explorer....Question:...Is there a way to move t...
asked by ClearCloud8
Why am I getting this "Invalid object name 'dbo.*'" error with MVC4?
I get this error:...Invalid object name 'dbo.ImageMetas'....On this line:...return View(db.Images.ToList());...Where my database context looks like this:...public class GalleryContext : DbContext { public GalleryContext() : base("DefaultConnec...
asked by mpen
Enabling Code First Entity Framework VS Web Express 2012
I am trying to enable Code First in my Visual Studio Web Express 2012. From what I have read so far I have to use the Package Manager Console and the command Enable-Migrations. When I do this I get the following error. ...Exception calling "LoadFrom" wit...
asked by jackncoke
Entity Framework 5 and Visual Studio 2012 POCO Classes in Different Project
In VS 2010 and EF 4.4, you were able to move and edit .tt files when using the DBContext generator in Entity Framework such that your POCO objects where in a different project than your DBContext files. ...See ...Here... and ...Here... for examples of wha...
asked by CleverPatrick
Running SQL Server CE 4 Queries with Visual Studio 2012 and SQL Server Management Studio 2012
I have recently upgraded to Visual Studio 2012 and SQL Server Management Studio 2012, however I cannot seem to see how to execute SQL scripts (created by Entity framework) on a SQL Server CE 4.0 database. With VS2010 + SSMS 2008 the Transact-SQL editor wo...
asked by Ryan Amies
MVC4 scaffolding of database-first Entity Framework model in Visual Studio 2012
I'm having problems with Visual Studio 2012, trying to add an MVC4 Controller with scaffolding. Ideally I would like to have an Entity Framework model (edmx file, etc) generated from a database using Add New Item - ADO.NET Entity Data Model (i.e. not Code...
asked by Chris Bowley
What is the data annotation for changing nullable and not null data types?
I reckon this should be simple for experienced programmers but here it goes. I am working on a project using entity framework code first.I have also enabled migrations and set to auto (Lovely feature)....I stupidly declared one of the datatype wrong in my...
asked by Komengem
VS 2012 - EF 5.0 - Update Model from Database - Not picking up table changes
In Visual Studio 2010 EF 4, I could add a new column to a database table, then click 'Update Model from Database' on my .edmx and all was good in the world....In Visual Studio 2012 EF 5, I alter a table, and then click 'Update Model from Database' and it ...
asked by c0d3p03t
Data sources toolbox for VS2012 does not display my entity model
After adding an entity model either from the datasources toolbox itself or by adding it => "add" => "new item" it does not show up in the datasources toolbox and therefor i dont get that easy drop and drag functionality....If I add a dataset it works but ...
asked by user1752532
Why there are both EntityFramework and System.Data.Entity assemblies in my project?
I just opened VS 2012 and created a class library project. After that I added a new ...ADO.NET Entity Data Model... item to my solution....I noticed there are both an assembly called EntityFramework 5.0 and another one called System.Data.Entity 4.0. Shoul...
asked by André Pena
How to view database diagram in a Code First using localdb
I have a ...Code First... project with ...Entity Framework 5.0.0... using ...localdb... created in ...Visual Studio 2012 Ultimate.... Although I can see my class relations in a ...Class Diagram..., how to see a visual diagram of automatic generated databa...
asked by Xaqron
EntityFramework 5 Install fails in VS 2012
I'm attempting to install the latest version of the EntityFramework from the Program Manager console in Visual Studio 2012. Running the install-package command yields the following error:...PM> install-package EntityFramework You are downloading EntityFr...
asked by Techie Joe
Dataset vs Entity Framework with stored procedures
The whole question has been rewritten to be more clear.. ...New project design: ...Sql Server 2012 ...Visual Studio 2012 .Net 4.5...Business logic will be implemented in stored procedures...ASP.Net Webforms ...WCF SOAP XML Web Service to communicate with...
asked by devphil
Missing Entity Data Model in VS 2012
I cannot find the Entity Data Model under the 'Data' tab when adding a new item....I have looked at several questions and answers, information on this and none of the solutions have worked....I have repaired, uninstalled and reinstalled, installed the EF ...
asked by Michael
Install EF 4.4.0.0
Currently I have Entity Framework 5.0 installed in Visual Studio 2012. For some reason the project only is supported by EF 4.4.0.0....So I installed EF 4.4.0.0 but I have the error in the Nuget command line:...PM> Install-Package EntityFramework -Version ...
asked by user1108948
Can't find CreateQuery() method
I'm a new beginner to the entity framework ....and i can't find the following method ...CreateQuery()...why i can't find this method ?!!
asked by Anyname Donotcare
EF Function Import does not recognise columns returned by StoredProc
Possible Duplicate:...EF4 - The selected stored procedure returns no columns...I have a stored procedure which populates a #temp table, does things to its records and then SELECTs the records....Problem is, when I try to create a function import and click...
asked by Captain Kenpachi
How to disable code-first feature in EF (MVC4 Visual Studio 2012)
How to disable code-first feature in EF (Visual Studio 2012)...I am using Visual Studio 2012, MVC4 (Internet application template)....I want to use EF, but not with its code-first feature. I would want the application to error out, rather than create or m...
asked by M. Ali Iftikhar
Entity Framework Code First Default Database Location
I am trying to follow the video tutorial on ...http://msdn.microsoft.com/en-us/data/jj193542... using Visual Studio 2012 Express for Desktop....I created POCO's, and a DbContext, ran some sample queries and it worked. But I did not provide any connection ...
asked by Bahadır Yağan
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