https://community.appian.com/discussions/f/data/21534/how-to-create-a-grid-in-which-we-can-show-one-to-many-relationshipI am trying to make a table like below, how is it possible to merge the common URN no. for different customers? Can you please provide me an example?en-USTelligent Community 12https://community.appian.com/thread/84166?ContentTypeID=1Thu, 29 Jul 2021 19:10:32 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:0e3718b8-9197-4aa3-b129-aea5d156da50Mike Schmitt<p>It&#39;s not really possible to merge cells in grids - my suggestion for starters would be to have a separate grid for each unique URN.&nbsp; You&#39;d be able to have any form show any (reasonable) number of grids for this.</p><div style="clear:both;"></div>https://community.appian.com/thread/84164?ContentTypeID=1Thu, 29 Jul 2021 18:38:12 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:416943c1-9bb5-4f08-bd41-180a98c0f2bfChris<p>I&#39;m also a fan of the card layout setup for creating a custom grid.&nbsp; <a href="/discussions/f/user-interface/20858/merged-or-nested-column-headers-in-an-editable-grid">An example is posted here</a>.</p><div style="clear:both;"></div>https://community.appian.com/thread/84160?ContentTypeID=1Thu, 29 Jul 2021 18:26:13 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:185db23a-49a8-4c99-adf6-d897548ccf1dStefan Helzle<p>Why not use nested card layouts to implement that?</p><div style="clear:both;"></div>https://community.appian.com/thread/84159?ContentTypeID=1Thu, 29 Jul 2021 18:02:02 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:2a137ac5-a5f5-4542-8ad4-c00384453382gayathris876948<p><a href="https://docs.appian.com/suite/help/21.2/recipe-expand-collapse-rows-in-a-tree-grid.html">docs.appian.com/.../recipe-expand-collapse-rows-in-a-tree-grid.html</a></p> <p>It may be helpful!</p><div style="clear:both;"></div>