https://community.appian.com/discussions/f/general/4523/i-have-a-grid-where-i-can-select-only-one-row-and-have-validation-on-thisI have a Grid where I can select only One row and have validation on this. Now whenever I double click on any select check box it is give Invalid selection though I double clicked on single check box only. I checked the selection value and seeing twoen-USTelligent Community 12https://community.appian.com/thread/107299?ContentTypeID=1Wed, 01 Feb 2023 12:10:39 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:f2bb8bb7-eeae-4e96-be8d-4d3aef6a4a2cShahid<p><a href="https://docs.appian.com/suite/help/22.4/recipe-limit-rows-to-one.html">docs.appian.com/.../recipe-limit-rows-to-one.html</a></p><div style="clear:both;"></div>https://community.appian.com/thread/16406?ContentTypeID=1Wed, 25 Mar 2015 16:58:31 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:b9a30479-89b6-4a73-b726-6abc509d8b8apiyushathanks conorc... I am able to remove duplicates now.<div style="clear:both;"></div>https://community.appian.com/thread/16320?ContentTypeID=1Mon, 23 Mar 2015 22:55:20 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:2a597748-d73c-494e-a3fd-6073343d1068nileshrThere is a very good example of how you can restrict user from multiple selection in sail recipes.<br /><a href="https://forum.appian.com/suite/help/7.8/SAIL_Recipes.html#Limit_the_Number_of_Rows_in_a_Grid_That_Can_Be_Selected">forum.appian.com/.../SAIL_Recipes.html</a><div style="clear:both;"></div>https://community.appian.com/thread/16285?ContentTypeID=1Mon, 23 Mar 2015 16:18:06 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:4decec3d-9803-4a18-9648-acb38c1d3523Conor CahillYour saveInto could do this: a!save(local!select,union(save!value,tointeger({})))<br /><br />That should remove duplicate values from your selection variable.<div style="clear:both;"></div>