4.1 SP2 upgrade breaks list items widget - Object reference

Posted by Community Admin on 04-Aug-2018 15:43

4.1 SP2 upgrade breaks list items widget - Object reference not set to an instance of an object

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Posted by Community Admin on 22-Jun-2011 00:00

After upgrading from 4.1 SP1 to 4.1 SP2, all my previously working expandable list item widgets fail with an "Object reference not set to an instance of an object" error in design view and cause the entire page to fail to render with the same error. See attached.

Mike

Posted by Community Admin on 22-Jun-2011 00:00

Hello Mike,

This has been outlined in the Upgrade notes in the announcement:

Lists module: After upgrade, replace all List controls in "Expandable" mode

Please check the whole announcement here - http://www.sitefinity.com/devnet/forums/sitefinity-4-x/general-discussions/sitefinity-4-1-sp2-is-released.aspx

Best wishes,
Georgi
the Telerik team
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