Spread .net compatibility and old versions

Posted by: tsarris on 21 December 2018, 2:01 am EST

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    Posted 21 December 2018, 2:01 am EST

    Hi

    i have some spreads created with previous versions (11) and now i have upgrade to the version 12. if i do changes to documents using the new version, then the old installations of my program cannot open the new xml format and i get the error below:

    System.TypeLoadException: The type FarPoint.Win.Spread.Model.WorksheetAxisModel in assembly FarPoint.Win.Spread, Version=11.40.20177.0, Culture=neutral, PublicKeyToken=327c3516b1b18457 could not be found.

    Is there any workaround? i cannot upgrade all of my installations (it will take more than two months) before using the new version

    Thanks

  • Posted 23 December 2018, 8:17 pm EST

    Hi,

    Spread 12 saves the XML in a new format, which includes some of the new classes for its Model. These classes are not recognized by Spread 11, so there is no method to load the new format in an older version of Spread.

    You can save your Spread in .xlsx format which can be opened by both versions of Spread.

    Regards,

    Jitender

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