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.NET Core 3.0 Support

I have a developer who wants to use Blazor to build his application. It needs to query Db2 for z/OS. He reported the following error when using the Entity Framework driver with Db2 for z/OS:

Method 'get_Info' in type 'IBM.EntityFrameworkCore.Infrastructure.Internal.Db2OptionsExtension' from assembly 'IBM.EntityFrameworkCore, Version=, Culture=neutral, PublicKeyToken=7c307b91aa13d208' does not have an implementation.


I opened case TS002960074 on Db2 Connect to get more information and have gotten confirmation that the Entity Framework driver for Db2 does not have support for .NET Core 3.0. The support person has asked me to open an RFE for .NET Core 3.0 support in the Entity Framework driver for Db2.

  • Eric Benavidez
  • Nov 7 2019
  • Needs review
Why is it useful?
Who would benefit from this IDEA? Developers who want to use Blazor and other features released as part of .NET Core 3.0 in their Db2 applications
How should it work?

The developer should not get an error when he is trying to use the Entity Framework driver with .NET Core 3.0 when querying Db2 for z/OS.

His workaround is to use Razor pages instead of Blazor pages. He will convert his applications to Blazor pages when the support for .NET Core 3.0 is in the Entity Framework driver. This is because Blazor is released with .NET Core 3.0.

Idea Priority High
Priority Justification Lack of support is currently limiting time-saving software development choices
Customer Name Blue Cross and Blue Shield of Kansas
Submitting Organization
Submitter Tags
  • Attach files
  • Matt Olson commented
    December 09, 2019 17:29

    Any news on this? .NET 3.1 has been released for awhile now and is a LTS (Long Term Servicing) branch. When can we expect support since we are paying for DB2 Connect maintenance?

  • Kauan Schumacher commented
    December 30, 2019 14:50

    Any news?

  • Anthony Smith commented
    17 Jan 16:19

    Any news on this yet?  
    IBM falling behind the times?

  • Eric Hendrix commented
    28 Jan 20:49

    Would love to know if this is being looked at...

  • J D commented
    18 Feb 20:35

    Please IBM, you need to address this to stay relevant.

  • Dan Walsh commented
    10 Mar 18:32

    Very disappointing to find this hasn't even been looked at. .NET Core 3.x has been out for 6 months at this point, all major competing platforms have their .NET libraries updated to work with the latest LTS (3.1)

  • Dan Walsh commented
    10 Mar 19:26

    For those of you waiting on this and are able to install additional dependencies, I'd recommend using IBM.Data.DB2.Core along with Dapper - Dapper doesn't offer the exact functionalities of EF Core, but it'll allow you to use DB2 with .NET Core 3.x and still have entity mapping

  • Arvie Aguirre commented
    24 Mar 08:21

    How long does this usually take? Please work on 3.1 EF support.

    Thank you!

  • Jonathan Peris commented
    26 Mar 19:20

    This issue isn't specific for Blazor. All .Net 3.x stack is getting this problem when trying to use the provider

  • Emilio López commented
    31 Mar 09:29

    Please add support

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