Cannot drag tables from model browser into edmx design surface

Tables don't show when re-adding them to entity-model (edmx)

In order to re-add a table to your model you will first need to delete the table from your model. (a list of tables is visible in the [model.Store] tree (see '...Model Browser...' pane- you can open it from right-mouse click menu). When you run 'Update model from database...' the table will appear in the 'Add' tab in the first step of the 'Update W...

Can't find ADO.NET Entity Model Browser Window in vs2010

First, open up the EDMX file. Then, in main menu select View > Other Windows > Entity Data Model Browser (it usually opens in the same panel as Solution explorer).

Using multiple edmx file vs. one large edmx file?

I'm new to the Entity model thing and i'm looking for an advise how to organize my Entity model....should i create one entity model file (.edmx) which will contain all the tables in my database or should i break it logical files for user, orders, products, etc....Please let me know which one is better and what the pros/cons (if any) of each alterna...

No Entity Data Model (EDMX) Template with Visual Studio 2010 SP1 & ADO.NET Entity Framework 4.1

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....The Problem: ...ADO.NET Entity Data Model Templates are not appearing whatsoever...Screenshot: ....

EF code first - Model compatibility cannot be checked because the database does not contain model metadata

Here is a detailed description of the possible ways to resolve this which I wrote a while ago...... (not exactly what you're experiencing, hence not a duplicate per se, but with different scenarios in mind) ...https://stackoverflow.com/a/10255051/417747...To summarize... ...What works for me is to use Update-Database -Script...That creates a scri...

Generating Model code from Model.edmx in EF6 without Visual Studio

For our application, we do not use Visual Studio in the build process; Visual Studio is not on the build servers. In general, we have kept Visual Studio as a "nice to have" for developing the application, but the crucial requirements for a reproducible build are all open source / freely available....I am now considering upgrading to EF6. I do not w...

Updating Database model (.edmx) Model First

I am having a few problems with updating the model in EF using Model First....I have exhausted my efforts with the suggestions of adding migrations (which is normally done using Code First). ...The Package Manager Console prints the message...Creating a DbModelBuilder or writing the EDMX from a DbContext created using Database First or Model First ...

Add stored procedure to entity framework model (.edmx) without refreshing existing entities

I have a stored procedure in development environment that I want to add to EF data model (.edmx) and call it in my code through a method wrapper that EF creates. ...Our development environment is not 100% in sync with production one so when I try adding the stored procedure deployed to development environment using "Update Model From Database" menu...

Visual Studio 2015 EDMX model browser and diagram is missing

I have recently updated to Visual Studio 2015. Opened up my solution and works. Till I decided to add in an entity to my edmx. So I double-clicked on the edmx file to open the diagram like it should or maybe the model browser at least but it only opens an XML page. I checked any missed installation from the setup but didn't find anything about enti...

MySQL 5.7: System.Data.StrongTypingException when adding or updating an EDMX model

I try to get the Entity Framework (5 or 6) working with MySQL 5.7 (database first), but adding an Entity Data Model for a (test) database results in the error "Unexpected exception occured when generating the model. StrongTypingException: The value for column 'IsPrimaryKey' in table TableDetails is DBNull.". The table has a primary key by the way:....