Entity Framework 6 - Knowledge Base (KB)

How do you make database updates to an edmx file?

I have an edmx file and I changed a table in my database. I know that there is an "Update Model from database" wizard, however in many cases this is useless....For example if I change a field from non null to nullable or if I remove fields the update mod...

Implementing OnContextCreated for auditing by assigning SaveChanges an eventhandler using EF 4.1 DBContext

I have tried many different ways and looked at different posts, but still haven't come across a solution for this way of auditing. Below is my DBContext template file. I customised it by adding the ...OnContextCreated()... partial method and assign the ..

How to create a model using .edmx designer in visual studio 2012?

I'm new with Entity Framework 5.0. I'm looking for a tutorial on how to create a DB model using the .edmx designer in visual studio 2012.

EDMX .NET 4.5 to 4.0?

We're using the Entity Framework and we created our EDMX when our project was set to build .NET 4.5. Now we want to switch to .NET 4.0 but when we do, we get compilation errors for the EDMX file....It states the following error:...Error 10027: The XML nam...

does Visual Studio 2015 include .edmx support?

Does Visual Studio 2015 include .edmx support?...I have a project that includes an .edmx data model and double-clicking it in VS2015 just opens the XML editor....There's no DbContext generator option in the file->new dialog.

IBM Data Server EF 6 Provider for Entity Framework 6 - Limitations - Possible Workarounds

I have downloaded EntityFramework 6 and EntityFramework.IBM.DB2 (6.0.1) available on nuget.org and also installed IBM add-in for visual studio 2015....During EDMX creation i'm getting the below error (which is already specified in the readme.txt file afte...

How to generate .edmx.diagram file using edmgen.exe?

Using the suggestion provided in ...GitHub..., I was able to generate the EDMX files needed for an ASP.net project. Using a command like:..."%windir%\Microsoft.NET\Framework\v4.0.30319\edmgen.exe" /mode:fullgeneration /c:"Data Source=%datasourceserver%...