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My team is trying to create a custom ID column for our SharePoint 2010 list. The column should show YYMMDD-ID, with YYMMDD the date the item was created and ID the ID of the item. I tried using =[DateCreated]&"-"&[ID] in a custom column which worked until you update the item and then the ID number disappeared. I researched that since ID is not a string this happens and the workaround is to create a workflow.

I'm unsure on how to do this, has anyone ever created something like this before? Is there a way of just using a custom column?

My team appeciates any help!

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  • I don't know if this will help or not, but I have generally found using the ampersand for string concatenation in Calculated columns is problematic. I always recommend using the CONCATENATE function instead. For example =CONCATENATE([DateCreated],"-",[ID]). You could even try combining this with the numeric conversion function TEXT, for example: =CONCATENATE([DateCreated],"-",TEXT([ID]))
    – willman
    Jan 8, 2020 at 19:30
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    Indeed workflow is better and reliable workaround for such requirements. because workflow runs after item creation (after item ID is generated) so you can set your custom ID in workflow.
    – Ganesh Sanap - MVP
    Jan 9, 2020 at 4:27

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You can do as the followings:

  1. Create a column named "custom ID" in your list
  2. Create a SharePoint workflow with SharePoint Designer 2010

  3. Insert "Set Field in CurrentItem" and set it like the below: enter image description here

  4. set the workflow automatically start when an item is created: enter image description here

  5. Publish the workflow
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