https://community.appian.com/discussions/f/general/18840/need-an-expression-ruleHi, We have a year data from Dec 2019 to Dec 2020 total 13 months data is available in DB. Need an expression rule based on the Date field we need to display the 13 months data in a Grid. Previous four months data should be in readonly and current fouren-USTelligent Community 12https://community.appian.com/thread/74055?ContentTypeID=1Thu, 14 May 2020 00:48:20 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:35babbae-1b41-427b-8817-c4738fa8d9cfSandeep<p>Hi,</p> <p>Correction in Example (1) :&nbsp;</p> <p>If&nbsp; selected the Date is 1st&nbsp;April 2020&nbsp; then data should be displayed from &nbsp;Dec 2019 to&nbsp; Dec 2020.</p> <p>From Dec 2019 to March 2020 should be display in readOnly&nbsp; and&nbsp; April 2020 to Dec 2020 should be displayed in editable.</p><div style="clear:both;"></div>https://community.appian.com/thread/74054?ContentTypeID=1Thu, 14 May 2020 00:40:27 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:18996a5a-2631-4435-848c-f0c546390c1cSandeep<p>Hi Harsha,</p> <p>For the Month December 2019 , it will be display in readonly.&nbsp;</p> <p>Thanks..</p><div style="clear:both;"></div>https://community.appian.com/thread/74052?ContentTypeID=1Wed, 13 May 2020 19:44:36 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:9ff82bbb-c2c8-4aeb-985c-5ac453e9b8cbHarsha Sharma<p>One question, i.e. in 2nd example,selected date being 1st May 2020 what happens to data for the month December 2019. It will be readonly or editable?</p><div style="clear:both;"></div>