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  • Fernando Chilvarguer 2 posts 22 karma points
    Apr 16, 2014 @ 02:22
    Fernando Chilvarguer
    0

    Multiple versions of Json.net

    Hello all,

    I have Umbraco v6.1.6 (Assembly version: 1.0.5021.24867) installed and running.

    I noticed I have 2 different Json assemblies on the /bin directory of the application:

    Newtonsoft.Json.Net20.DLL and

    Newtonsoft.Json.Net.DLL

    I'm trying to use Json.Net on a brand new script file and as soon as I add:

    @using Newtonsoft.Json;

    And try to use the JsonConvert method it gives me the error below:

    c:\inetpub\wwwroot\MacroScripts\635332037414785257_aaa.cshtml(155): error CS0433: The type 'Newtonsoft.Json.JsonConvert' exists in both 'c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\e22c2559\92c7e946\assembly\dl3\eaf1ce99\490bebab_9c17cf01\Newtonsoft.Json.Net20.DLL' and 'c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\e22c2559\92c7e946\assembly\dl3\e0166b8a\335e5988_cf2dcf01\Newtonsoft.Json.DLL'

    I tried removing the old version but the XSLT stops working. I tried removing the new version, the whole site stopped working (500 errors). 

    Trying to use Json on a script file should be a pretty common scenario. Has anyone had this problem? Any ideas on how to solve it?

    Thanks,

    Fernando

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  • Sebastiaan Janssen 5060 posts 15522 karma points MVP admin hq
    Apr 16, 2014 @ 09:26
    Sebastiaan Janssen
    0

    I've never heard of the .Net20.DLL.. Not sure where that might've come from.

    Try adding this to web.config (in runtime\assemblyBinding):

    <dependentAssembly>
    <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" />
    <bindingRedirect oldVersion="0.0.0.0-4.5.0.0" newVersion="4.5.0.0"/>
</dependentAssembly>
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  • Fernando Chilvarguer 2 posts 22 karma points
    Apr 22, 2014 @ 00:57
    Fernando Chilvarguer
    0

    HI Sebastian,

    I tried your code but it did not work.

    I figured our there that DLL is coming from:

    http://our.umbraco.org/projects/developer-tools/xsltojson

    This project bundles the DLL. I'm going to dig into it to see if I can make it use the "normal" Json DLL.

    Thanks,

    Fernando

     

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