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SharePoint 2010: When inline editing is enabled on a view, duplicate items can be created if the page is refreshed

SYMPTOMS
When inline editing on a view is enabled, duplicate items can be created if the page is refreshed after an item has been created.

Please refer to the link below for additional information about Inline Editing:

http://office.microsoft.com/en-us/sharepoint-foundation-help/create-modify-or-delete-a-view-HA010377693.aspx

This only occurs for complex field types, such as:

Multiple lines of text
External Data
Lookup

CAUSE
This is a known limitation when working with complex fields. Every time a page refresh happens a full postback is made resulting in a duplicate list item.
RESOLUTION
The workaround is to use the out of the box form pages to manipulate list data if the problematic fields are used in the view.

As a preventative measure the new Enforce unique values functionality can be turned on to prevent item duplication but it can result in a confusing experience if a user refreshes the page with this functionality turned on.

Please refer to the link below for additional information about Enforce Uniqueness:

http://msdn.microsoft.com/en-us/library/ee536168.aspx

Finally, a workflow could be used to look for duplicate fields and remove them as well.
MORE INFORMATION
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.
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Article ID: 2600186 - Last Review: 09/20/2011 20:12:00 - Revision: 5.0

Microsoft SharePoint Server 2010, Microsoft SharePoint Foundation 2010

  • KB2600186
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