- Ddex Provider Are Not Installed For Provider Oracle.manageddataaccess.client
- Ddex Provider For Adaptive Server
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The System.Data.SQLite DDEX provider does not support Visual Studio 2017. This post describes how to work with SQLite and Entity Framework 6 in Visual Studio 2017, using the 'SQLite Toolbox' DDEX provider for EF6. Notice that this provider only supports the EF 6 Tools, and not other Data Source scenarios, for example Typed DataSets. This requires Visual Studio 2017 15.8 (or 15.6 and earlier)
- Install Toolbox
- Install SQLite in GAC
- Install SQLite EF provider in project
- Run EDM Wizard
Install latest Toolbox
Once per Visual Studio edition (daily build at https://github.com/ErikEJ/SqlCeToolbox/wiki/Release-notes )
Install SQLite in GAC
Once per machine. Download sqlite-netFx46-setup-bundle-x86-2015-1.0.108.0.exe (from https://system.data.sqlite.org/index.html/doc/trunk/www/downloads.wiki)
Select 'Full Installation'
Select: Install the assemblies into the global assembly cache - Install VS designer components
Restart Visual Studio
Verify that the EF6 provider is installed in GAC from the Toolbox 'About' dialog:
If the EF6 provider is not in GAC, this may be due to an invalid entry in machine.config, located in the C:WINDOWSMicrosoft.NETFrameworkv4.0.30319Config folder. The only SQLite related entry should look like this, with this exact version number:
Ddex Provider Are Not Installed For Provider Oracle.manageddataaccess.client
If you are using Visual Studio 15.7, that includes the updated EF 6.2 Tools, generating an EDMX is broken. You can add the following entry (as the last netry in the list) to the DbProviderfactories section in your machine.config as a workaround until this issue has been fixed (remember to restart Visual Studio after making the change):
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Some users report that adding this to app.config solves some runtime issues (related the the VS 15.7 issues mentioned above) Defiant keypad deadbolt.
Install System.Data.Sqlite NuGet package
![Ddex Ddex](https://i.stack.imgur.com/rSt9x.png)
Install using Package Manager Console or NuGet Manager in each project.
Make sure to install the same version as the tools package above.
Build project!
Packages.config should look like this after install:
App.config should look like this:
Run Entity Data Model Wizard
Add, New Item, Data, ADO.NET Entity Data Model. Choose 'EF Designer from Database' or 'Code First from Database'
Use 'SQLite Provider (Simple for EF6 by ErikEJ)' when creating a connection to your SQLite database file. Enter the full path to your database file in Data Source.
A reader of this wiki post has provided some additional tips here
As I explained in the post Some implications of the new modular setup of Visual Studio 2017 for VSX developers, Visual Studio 2017 introduces among others two significant changes compared to Visual Studio 2015:
- It allows several Visual Studio editions (Community, Professional, Enterprise) to coexist at the same time on the same machine. For VSX developers, this means that Visual Studio 2017 installations now use different folders on disk, and instance Ids.
- It uses its own private registry. This post is about this.
From Visual Studio .NET 2002 to Visual Studio 2008, Visual Studio used two registry keys:
![Ddex Ddex](https://www.ibprovider.com/site-data/m01/eng/i/documentation/firebird_vs2017_ddex2-2/select_source.png)
- HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftVisualStudio<version>: this per-machine entry was created when Visual Studio was installed (which required admin rights) and 3rd party extensions could add registry entries to it (to register packages or DDEX providers, etc.) because it was never deleted (otherwise Visual Studio would become unusable and would require reinstallation).
- HKEY_CURRENT_USERSOFTWAREMicrosoftVisualStudio<version>: this per-user entry was created the first time Visual Studio was launched for a user account, and contained per-user settings. It was never deleted (otherwise user settings would be lost).
This worked fine for a few years, until Microsoft wanted Visual Studio not to require admin rights to run or even to install 3rd party extensions, and to allow file-based registration of such extensions using .pkgdef files. So, a third registry key was introduced:
- HKEY_CURRENT_USERSOFTWAREMicrosoftVisualStudio<version>_Config
- The per-machine Registry configuration, HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftVisualStudio<version>
- Per-user and per-machine .pkgdef files on disk.
So, from time to time, Visual Studio 2010 copied to a per-user configuration the per-machine configuration (source #1) along with per-machine and per-user .pkgdef files on disk (source #2). This process happened when Visual Studio was launched for the first time on a user account, after a change of configuration, etc. And for this to work, at run-time the devenv.exe process redirects HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftVisualStudio<version> to HKEY_CURRENT_USERSOFTWAREMicrosoftVisualStudio<version>_Config.
All that means that 3rd party setups of extensions shouldn’t write directly to the HKEY_CURRENT_USERSOFTWAREMicrosoftVisualStudio<version>_Config key, because it could be deleted and created again at any time. Instead, setups should either write directly to HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftVisualStudio<version> (which requires admin rights), to HKEY_CURRENT_USERSOFTWAREMicrosoftVisualStudio<version> (which doesn’t require admin rights), or, better yet, avoid completely writing to the registry and use instead .pkgdef files on disk, either on per-machine folders (which requires admin rights) or on per-user folders (which doesn’t require admin rights).
So far so good, but now Visual Studio 2017 stops using those three registry keys and it uses its own private registry. This is a file named privateregistry.bin which is located in the (hidden) folder C:Users<user>AppDataLocalMicrosoftVisualStudio<version>_<instance-id>, where <version> is 15.0 and <instance-id> is a random value determined when each Visual Studio 2017 edition is installed:
If you want to use regedit.exe to load that private registry, follow the steps detailed in How to examine Visual Studio 2017 registry. You will end seeing this:
At this point you should be aware of all this in Visual Studio 2017:
- The private registry (privateregistry.bin file) is per-user, not per-machine. As such, it is not created when Visual Studio is installed, but when Visual Studio is launched for the first time for a user account.
- The private registry provides two keys: 15.0_<instance-id> and 15.0_<instance-id>_Config.
- The key 15.0_<instance-id> is equivalent to HKEY_CURRENT_USERSOFTWAREMicrosoftVisualStudio<version> in previous versions. As such, it is never deleted (otherwise a user would lose her per-user configuration).
- The key 15.0_<instance-id>_Config is equivalent to HKEY_CURRENT_USERSOFTWAREMicrosoftVisualStudio<version>_Config in previous versions. As such, it can be deleted and recreated by Visual Studio when it needs to update the configuration.
- There is no per-machine private registry. So, there is no equivalent of HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftVisualStudio15.0 (well, such key exists, but it stores minimal settings). The installation of Visual Studio 2017 uses exclusively per-machine .pkgdef files instead that are scanned when Visual Studio is loaded for the first time for a user account to create the key 15.0_<instance-id>_Config in the per-user private registry.
- At run-time, the devenv.exe process of Visual Studio 2017 redirects registry operations on Visual Studio keys to the privateregistry.bin file. So, this change is transparent for extensions (DLLs) that run in the devenv.exe process. Setups (which are external processes) are not so lucky. While they could use the RegLoadAppKey function to write to the 15.0_<instance-id> key for per-user extensions (never for 15.0_<instance-id>_Config, which would be overwritten later), it is much better to switch to .pkgdef files on disk (either per-machine, or per-user). If you really need to mess with the Visual Studio setup, then see Microsoft/vs-setup-samples.
I have been stuck for a number of days now with this problem. I see a lot of people have this problem and I have tried many things but am still unsuccessful. Please can someone help me.
I am running Windows 7 64bit, MS Visual Studio 2010, Firebird DDEX 2.0.5 and NetProvider 2.7.0.0. I have closely followed this stackoverflow question in conjunction with the ReadMe file supplied with DDEX and other articles online in trying to install everything. I have done the following:
Install NetProvider 2.7.0.0 to C:Program Files (x86)FirebirdClient.
Extract DDEX 2.0.5 files to C:Program Files (x86)FirebirdClientt.
Edited the registry file FirebirdDDEXProvider64 in C:Program Files (x86)FirebirdClientreg_filesVS2010 so that the
'CodeBase'='%Path%FirebirdSql.VisualStudio.DataTools.dll'
now reads
![Provider Provider](https://i.stack.imgur.com/2GeN9.jpg)
and then I installed it.
I used gacutil.exe to install FirebirdSql.VisualStudio.DataTools.dll and FirebirdSql.Data.FirebirdClient.dll by doing the following:
cd 'C:Program Files (x86)FirebirdClient'C:Program Files (x86)Microsoft SDKsWindowsv7.0AbinNETFX 4.0 Toolsgacutil.exe' /i FirebirdSql.VisualStudio.DataTools.dll
'C:Program Files (x86)Microsoft SDKsWindowsv7.0AbinNETFX 4.0 Toolsgacutil.exe' /i FirebirdSql.Data.FirebirdClient.dll
as per the instructions given in the question hyperlinked above ([here])2, except that I used gacutil.exe from Program Files (x86) instead of Program Files to install the FirebirdSql.VisualStudio.DataTools.dll as gacutil.exe doesn't exist in the normal program files directory. I did use the list function of gacutil.exe to see whether both files were installed correctly and to also record the PublicKeyFunction etc.
- After much reading, I decided to adjust all four machine.config files. The paths to them are:
C:WindowsMicrosoft.NETFrameworkv2.0.50727CONFIGmachine.config
C:WindowsMicrosoft.NETFrameworkv4.0.30319Configmachine.config
C:WindowsMicrosoft.NETFramework64v2.0.50727CONFIGmachine.config
C:WindowsMicrosoft.NETFramework64v4.0.30319Configmachine.config
I copied the code from the DDEX readme and pasted it into the correct positions within the file and filled in the various parameters, accordingly. I did this bearing in mind that the runtime version number differs depending if I am adjusting the v2 or v4 machine.config files, also putting the correct parameters recorded from the gacutil.exe step above..i.e. version=2.7.0.0, culture=neutral, publickeytoken=3750abcc3150b00c. See below.
Ddex Provider For Adaptive Server
Winning eleven 2012 game download. C:WindowsMicrosoft.NETFrameworkv2.0.50727CONFIGmachine.config
and further down in the file
(I pasted extra code in case it helps?)
similar for the v4 machine.config files, except here I had to adjust the DBProviderFactories section of the code as follows:
and this was original machine.config code before:
and this is what I adjusted it to:
The same was true for the 64-bit V4 file.
When I open up MS Visual Studio 2010 and try add a connection, I can choose a Firebird Data Source and it lists the .Net Framework Data Provider for Firebird and I get the next window when continuing where I can enter the database registration parameters. However, when I press Test Connection (even if no data is entered) it says 'Test Connection Successful' and when I press OK I get the error 'Unable to find the requested .NET Framework Data Provider. It may not be installed.'
I am not sure what else to do. Everything I have read points me towards the machine.config files being incorrect, but I can't find the problem.
Any help would be greatly appreciated.
1 Answer
Try 3.0.0 from firebird websitehttp://www.firebirdsql.org/en/net-provider/