Entity Framework 6 - Knowledge Base (KB)
36 results in tag: visual-studio-2010
In EF 4, use ApplyCurrentValues.
I just was playing with EF 4 in VS 2010 RC and just found that ApplyCurrentValues dont work when the Property is of type bool and the newly value is false !!!??? ... and it works when the newly value is true . ... I dont know if this is a bug or I'm mis...
asked by ali62b
In Entity Framework, how do you utilize transactions?
How to use transactions in Entity Framework? I read some links on Stackoverflow : ...Using Transactions or SaveChanges(false) and AcceptAllChanges()?...BUT; i have 3 table so i have 3 entities: ...CREATE TABLE Personel (PersonelID integer PRIMARY KEY ide...
asked by loki
In Visual Studio 2010, how can I manually modify table mappings in ADO.NET?
I can't seem to find the answer to what I think is an easy question. I have a Entity model I just created and I want to set the name of the table and the columns by hand. I can see the "mapping details," but how do I edit them or add to them?
asked by Bialecki
Entity Framework Template is missing after installing Visual Studio 2010 on Windows 7 64-bit.
I just install Visual Studio 2010 on a 64 bit VM with Windows 7 64 bit. The VM is on an ESXi Hypervisor. When I tried to create my first project I don't see the Entity Framework template (ADO .NET Entity Framework). Am I missing a step here? Any and a...
asked by Brono The Vibrator
Instead of "Generate Database from Model," Entitiy Framework uses "Update Database from Model."
I have created a Entity Framework 4 model with Visual Studio 2010 and generated a database from it. Now I found myself adding new properties (with default values), changing documentation of columns, changing names of columns, changing types of columns sev...
asked by David
A big Entity Framework Diagram may be exported.
I have a fairly large Entity Diagram. I tried to export it to an image, unfortunately because it's so large the image comes out all pixelated....See this link ...http://connect.microsoft.com/VisualStudio/feedback/details/534574/edmx-model-image-export-pix...
asked by Stephen Lacy
Cannot locate VS2010's ADO.NET Entity Model Browser Window
I want to update my ADO.NET Entities Framework Model from the database, but I cannot find the ...Entity Model Browser Window.... There is an example of how to update my model ...here..., but I cannot find how to open the model browser. Could someone pleas...
asked by John Fischer
What am I doing wrong with MySQL and Entity Framework?
I am completely new to Entity Framework and even ADO.NET in general (don't typically do much work with databases)....I downloaded and installed ...MySQL Connector/NET 6.3.5.......I created a new C# project in Visual Studio 2010....I added a new ADO.NET En...
asked by Dan Tao
Error 175: The data store provider supplied could not be located.
I'm using VS2010 with the ...MySQL .NET Connector.... My project that used to work started reporting:...Error 175: The specified data store provider cannot be found, or is not valid....I don't know why, though things got weird after a MS recommended hotf...
asked by Walt Stoneburner
The supplied named connection is either missing from the settings, not compatible with the EntityClient provider, or invalid.
I have two projects in a solution....PizzaSoftware.Data...PizzaSoftware.UI...In the Data project, I have my Entity Framework model which connects to my database....My UI project has a project reference to Data and here's how it looks like:...I've created ...
asked by delete
Visual Studio 2010 SP1 & ADO.NET Entity Framework 4.1 No Entity Data Model (EDMX) Template
I'm having a lot of issues with the templates of Visual Studio 2010 SP1 & ADO.NET Entity Framework 4.1...I noticed that other people had these problems, and asked similar questions, but I don't think they gave enough information to make it solve-able....T...
asked by Jarred Sumner
'DbContext' was not identified as a type or namespace.
I am VERY new to ASP.NET MVC (3) and am having a hard time resolving a build error in Visual Studio:...The type or namespace name 'DbContext' could not be found (are you missing a using directive or an assembly reference?)...using System; using System.Col...
asked by Chris
ADO.net is missing. VS 2010 SP1 includes an entity framework template.
I am having VS 2010 Professional with SP1. I can see EF listed under Uninsall/remove a program list. ...I have already referred these questions which don't have any solution. Hence starting a new thread....SO entry1...SO entry2...Searching over internet d...
asked by Sandeep G B
Database not created by Entity Framework
Been playing around with the Code First feature of Entity Framework 4.1 using an ASP.NET MVC 3 project....However the database (SQL Server 2008 R2) does not automatically create the table mapping on application startup. Any ideas on how to make it do so?....
asked by mazatsushi
Visual Studio 2010 and EF 4.1 DB both have a missing bin/EntityFramework.xml file. First
Main Goal... - To deploy a live version of my solution on an IIS. I am currently attempting to do so by building a deployment package through Visual Studio 2010....Issue... - When attempting to build a deployment package or publish my project within Visua...
asked by Justin
Entity Framework 4.2 in Visual Studio 2010
Entity Framework templates and menu items generate errors in Visual Studio 2010 Ultimate on 64-bit XP....The "Reverse Engineer Code First" menu item in Visual Studio tells me that version 4.0.0.0 of System.Data.Entity.dll cannot be found in the GAC, as do...
asked by Paul
In entity framework, encrypt ConnectionString (first code)
How can i protect my connection string? I want to use Entity framework 4.1 (first code) in C#, but it is important to me that other people can not see my Connection String.
asked by Mahdi jokar
Adding a project's entity frame model
I have problem adding entity framework model to my project. Here is what I am doing:...1- Right click on project...2- Select add...3- In dialog select data from installed templates....4- in installed template I cannot see ADO.NET entity framework template...
asked by mans
CSDL, SSDL, and MSL files for Entity Framework
I'm just being picky but I was researching how does Entity Framework generates the DLL from an EDMX file and I saw this on msdn:...The Entity Data Model Designer (Entity Designer) stores model and mapping information in an .edmx file at design time. At b...
asked by Diego
Entity Framework Model Update
I have just started using EF and found it cool, but I ran into a problem,...Problem:... I changed my DB schema of a column inside the table User, It was Varbinary(50) previously I then changed it into VarChar(50), and then inside the MyModel.edmx designer...
asked by Owais Qureshi
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