Hi.

1. Ddex Provider Not Installed
2. Ddex Provider Are Not Installed For Provider Oracle.manageddataaccess.client

Ddex Provider Not Installed

Ok, I will work it on this night.. 12 hours later.

Visual Studio 2008 - 2017 Advanced Integration. DotConnect for Oracle integrates tightly with design-time features of Visual Studio 2008, 2010, 2012, 2013, 2015, and 2017 such as Server Explorer. This is also mentioned as Data Designer Extensibility features, or DDEX. The integration helps to design applications in more convenient and fast way.

The most common method of implementing a DDEX provider uses a VSPackage, providing the most robust and flexible design-time support. Using this implementation, the DDEX provider creates objects and resolves types and assemblies by using Visual Studio services that the DDEX provider identifies in the Windows registry. Unlike the other.NET Framework data providers, it does not interact directly with a data source. Instead, it uses Entity SQL to communicate with the underlying data provider. For more information, see EntityClient and Entity SQL.

Kenji uno 🔰

2015/05/09 9:45、kmschaefer notifications@github.com のメッセージ:

I got Visual Studio 2015 RC installed and tried getting version 3.0.0.0 working. When I tried to install the Visual Studio extension, it failed to install. Looking at the install log, it can't find an applicable version of Visual Studio. I don't know how to modify the DDEX provider configuration to force it to install.

5/8/2015 7:51:01 PM - Searching for applicable products..
5/8/2015 7:51:01 PM - Found installed product - Microsoft Visual Studio Professional 2015 RC
5/8/2015 7:51:01 PM - Found installed product - Microsoft Visual Studio Community 2015 RC
5/8/2015 7:51:01 PM - Found installed product - Microsoft Visual Studio 2015 RC Shell (Integrated)
5/8/2015 7:51:01 PM - Found installed product - Global Location
5/8/2015 7:51:01 PM - VSIXInstaller.NoApplicableSKUsException: This extension is not installable on any currently installed products.

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In this new series, I will give an introduction to the new tooling and some of the new features in Entity Framework 6 (EF6). But lets begin with an overview of workflow and tooling option in the various Visual Studio versions, that EF6 supports.

EF6 consist of 2 major parts:

- the EF6 runtime, available via NuGet, which support Visual Studio 2010, 2012 and 2013 (version 6.0.0. of the runtime is included in the VS 2013 install, but always update to the latest released NuGet version)

- the EF Tools, which is mainly the Entity Data Model Wizard and the graphical EDMX editor and Model Browser in Solution Explorer. The EF Tools have been updated and are included with VS 2013, and you can also grab the EF6 Tools for Visual Studio 2012 here. For VS 2010, there are no updated tools.

Workflows

As you may be aware, there are 4 available workflows available with Entity Framework:

Database First, where you reverse engineer an Entity Data Model (EDMX) from an existing database.

Model First, where you “draw” the data model in an empty EDMX, and the can generate database objects based on the model.

Code First, where you define data classes, and either decorate with attributes of use fluent configuration, and also define a class that inherits from DbContext.

Code Second, where you generate Code First classes based on an existing database. You can use for example the EF Power Tools to do this

You can get more information about the different workflows and how to choose one here.

SQL Compact workflows in Visual Studio

In this section I will describe how to perform each workflow in VS 2010, 2012 and 2013, as there are differences due to varying degrees of tooling support. For any of the workflows below, the first thing to do is install the Entity Framework 6 SQL Server Compact NuGet package in your project, the package name is EntityFramework.SqlServerCompact:

This package will add the following references to your project:

EntityFramework

EntityFramework.SqlServer (not needed for our scenarios)

Ddex Provider Are Not Installed For Provider Oracle.manageddataaccess.client

EntityFramework.SqlServerCompact

System.Data.SqlServerCe (not really needed for EF scenarios)

Video editing software full free. - the reason why System.Data.SqlServerCe is not needed, is that EF6 relies on the DbProviderFactory registration of SQL Server Compact, either in machine.config or your app.config/web.config.

The package will also add required app/web .config settings in the current project, to register the SQL Server Compact Entity Framework provider for EF6. (Not the DbProvider registration, but I have a solution for that in my next blog post)

Visual Studio 2010

Since the EF6 Tools are not available for VS 2010, the only available workflow using Entity Framework 6 (which fully supports .NET 4.0) is Code First. There is an overview of Code First with SQL Server Compact, EF6 and VS 2010 available here on CodeProject. (You can of course continue to use the EF designer with EF 4 based projects). I also have a blog post on Code First here.
Please note that my recommend approach is simply to install the EntityFramework.SqlServerCompact package first, as this will include all other required packages in the project for you, rather than installing the EntityFramework package first as done in the CodeProject blog post.

Visual Studio 2012

VS 2012 has a DDEX (Server Explorer) provider for SQL Server Compact, which makes all workflows simple.

Database First: Connect to a database file in Server Explorer, and then add an “ADO.NET Entity Model” to your project. (Or connect to/create one during the wizard)

Model First: Add an Empty “ADO.NET Entity Model” to your project. Add entities etc. to the Model. When prompted during script generation (Generate Database from Model), connect to or create a SQL Server Compact database file.

Database Second: Install the Entity Framework Power Tools from Tools/Extensions (I believe they require the EF6 Tools to be installed to work)

Visual Studio 2013

VS 2013 has no DDEX (Server Explorer) provider for SQL Server Compact, which makes all workflows simple.There is a VS UserVoice item to bring back the DDEX provider, if you feel like voting for it.

Database First: Install my SQL Server Compact Toolbox add-in via Tools/Extensions. Also install SQLCE 3.5 SP2 and SQLCE 4.0 SP1 if not already present. Right click the database and create an Entity Data Model from the context menu. I have a fix for the .tt script template to make the generated script more compatible with the Toolbox.

Model First: Install my SQL Server Compact Toolbox add-in via Tools/Extensions. Also install SQLCE 3.5 SP2 and SQLCE 4.0 SP1 if not already present. Create an empty database file. Right click the database and create an Entity Data Model from the context menu. Add entities etc. to the Model. A SQL Compact compatible script will be generated when selecting “Generate Database from Model”.

Database Second: I am working on getting a pull request accepted for the EntityFramework Reverse POCO Code First Generator project. This project is an alternative to the EF Power Tools Reverse Engineer feature, but presently does not support SQL Server Compact. Once it has been accepted, you can generate Code Second classes from a SQL Server Compact database file.

NEXT: Easy Private Desktop Deployment with SQL Server Compact and Entity Framework 6.

Published at DZone with permission of Erik Ejlskov Jensen , DZone MVB. See the original article here.

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