https://community.appian.com/discussions/f/user-interface/19768/validation-in-gridfieldHi Friends, Created a grid with 10 rows in each page( Data comes dynamically from service) Grid contains column with amount of plus and minus values user selects the rows by clicking on add buttton and all the rows will be shown in the below griden-USTelligent Community 12https://community.appian.com/thread/77367?ContentTypeID=1Tue, 20 Oct 2020 08:55:40 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:c6cec1af-97b3-47a8-a48a-a581c3e9d798geervanim<p>Thank you.</p> <p>I will work on it</p><div style="clear:both;"></div>https://community.appian.com/thread/77334?ContentTypeID=1Mon, 19 Oct 2020 08:31:56 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:cad3f02d-08e8-485e-895d-0276d55e9128rickyc0004<p>Hi Geervanim,</p> <p>If you can change selection behavior.</p> <p>I will suggest to use &quot;<span>disableRowSelectionWhen</span>&quot; property of a!<span>gridField to diable row selecti</span><span>on instead of showing a message for the user after he selects a row. you can always show note&nbsp;on top that user cannot select row with -ve value in amount.</span></p> <p><span>&nbsp;</span></p><div style="clear:both;"></div>