.NET 5 and C1 version 4.5.2 controls?

Posted by: rileydylanrd303 on 18 January 2021, 10:01 pm EST

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    Posted 18 January 2021, 10:01 pm EST

    Can I use C1FlexViewer, C1FlexReport and C1XLBook in a new .NET 5 WPF project if I use the 4.5.2 controls? Can I use both C1 4.5.2 controls and C1 5.0 controls in the same project? Thanks.

  • Posted 19 January 2021, 5:01 pm EST

    Hi Riley,

    1. Yes, you can use .NET 4.5.2 C1 controls in a .NET 5 WPF project.

    2. We are sorry but it is not possible to use two different versions of the same control in the same project as it will cause conflict because of the similar API.

    I hope it helped.



  • Posted 20 January 2021, 5:45 pm EST

  • Posted 20 January 2021, 6:53 pm EST

    Hi Riley,

    Your questions were answered here. Is there something else you’d like to ask?


  • Posted 16 February 2021, 6:54 pm EST

    Does the end user need to have .NET Framework installed for .NET 4.5.2 C1 controls in a .NET 5 WPF project to be used?

    .NET 5 project:

    https://essaydune.com report

  • Posted 16 February 2021, 11:07 pm EST

    Hi Cori,

    Yes, you need to have .NET 4.5.2 framework installed on the system while using C1 4.5.2 controls in a .NET 5 project.

    Best Regards,


  • Posted 5 May 2021, 6:59 am EST

    I have been couple desktop apps where I have used c1.preview to create a lot of reports. These reports are hard coded and use c1.preview.c1printdocument. Lot of table use in these applications for reports. Worked great for years and will take a lot of work and time to change. What is the replacement for this and if not then is there something else.

  • Posted 6 May 2021, 5:20 pm EST


    C1Preview/C1PrintDocument will be ported to .NET 5.

    Please refer to the following blog.




  • Posted 23 April 2022, 10:54 pm EST

    Thanks for sharing this value able content

  • Posted 18 May 2022, 4:57 pm EST


    You can use C1 Wpf 4.5.2/Net 5/Net 6 latest version controls in Windows 11.

    JFYI, Net 5 is an intermediate version between LTS (long term support) versions. So, we recommend updating to .NET 6. For more information you can refer this blog: https://www.grapecity.com/forums/wpf-edition/net-4-and-net-5-support-no

    Latest published C1 Wpf control version:

    4.5.2v → 4.5.20221.764

    Net 5 → 5.0.20221.205

    Net 6 → 6.0.20221.222

    Best Regards,


  • Posted 18 May 2022, 7:10 pm EST

    Thank you so much sir for the help…

  • Posted 5 August 2023, 12:34 pm EST - Updated 5 August 2023, 12:34 pm EST

    Thank you Raiff for sharing this information

  • Posted 9 August 2023, 5:27 am EST

    absolutely thrilled to see the convergence of NET 5 and C1 Version 4.5.2 controls! This is a game-changer for developers, and I can’t wait to explore the enhanced features and possibilities this combination brings. Kudos to the team for their hard work and dedication in making this happen

    :clap::rocket: #NET5 #C1Version4.5.2 #DevelopmentPowerhouse

  • Posted 21 January 2024, 2:06 am EST


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