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As seen in the two images above, I have an LWC DataTable with row actions that are being partially cut off (both upward and downward). I have tried the following:

Ligntning datatables actions menu hidden

And the 5 other identical (Stack and SuccessSF) posts that say the same thing, but nothing changes the behavior. My grid lives inside of a Modal, with one other grid (if that makes a difference). How do I make the row actions show up on top of the grid, instead of underneith the columns and only within the boundaries of the grid?

1 Answer 1


I had this issue with the lightning-datatable action column and found that setting the menuAlignment to auto fixed it for me. So, try that inside where you are declaring your column for the actions.

  type: 'action', 
  typeAttributes: {
    rowActions: [{...}],
    menuAlignment: 'auto'
  • 1
    You are the man!
    – Mr. B
    Sep 26, 2019 at 15:17
  • Glad it worked for you. I know it frustrated me. Sep 27, 2019 at 16:02

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