Subject Re: GRID From Mervyn Bick <invalid@invalid.invalid> Date Tue, 14 Mar 2017 11:29:35 +0200 Newsgroups dbase.getting-started On 2017-03-13 10:37 PM, Bruce Beacham wrote: > On 11/03/2017 06:19, Mervyn Bick wrote: >> You can add a calculated field to the table when you open the query and >> the grid will be able to display that if you add a column but calculated >> fields are read-only so you can't use it to show if a record has been >> selected from the keyboard. > > Not strictly true.   You can use an assocarray to drive a calc field > shown in a grid, so that the field's canChange sets the assocarray > element to true, and the beforegetvalue reads that element and displays it. > > The assocarray key might be an autoinc field. I've spent some time on this but I'm obviously missing something as I can't get this to work.  A snippet of code to point me in the right direction would be appreciated. Mervyn.