cannot perform runtime binding on a null reference

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Anthony Candaele 1197 posts 2049 karma points

Apr 17, 2011 @ 09:19

0

Cannot perform runtime binding on a null reference

Hi,

I upgraded an Umbraco 4.5.2 website to Umbraco 4.7, but apparently Razor scripts don't work. Everytime I try to run a page that has a Razor script, I get this message:

Cannot perform runtime binding on a null reference

Anyone familiar with this problem? And how can I solve this?

Thanks for your help,

Anthony Candaele
Belgium

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Sebastiaan Janssen 4899 posts 14655 karma points MVP admin hq

Apr 17, 2011 @ 10:21
1
Have you tried writing something harmless like:
```
<umbraco:Macro runat="server" Language="cshtml">
  <p>Hello world</p>
</umbraco:Macro>
```
Have you copied the new web.config entries marked with "added in 4.6.2"? And there's a few new things in the umbracoSettings.config file as well.
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Anthony Candaele 1197 posts 2049 karma points

Apr 17, 2011 @ 15:26

1

Hi Sebastiaan,

Thanks a lot, your advice solved the problem. The problem was caused because I didn't replace the web.config file during the upgrade process. I tried to at first, but when I surfed to the site, the install wizard started. Because it wasn't clear if the wizard would do an upgrade or a complete reinstall, I didn't take the risk and moved back the old web.config file.

Now I copied the web.config of the Umbraco 4.7 build and let the install/upgrad wizard do it's job, and luckily it just did an upgrade of my Umbraco installation. I checked everything and now even Yannick Smet's excellent multilanguage tools works. You really make my day :)

See you at codegarden,

Anthony

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Cannot perform runtime binding on a null reference