stop 'null' being saved to SP List
in my app, i have a list box with items, and then some controls in a gallery the process is, select item from list, and then select control(s) from gallery and submit to SP my issue, if i don't select an item from list, but i select control from gallery, a 'null' value gets saved to sharepoint upon Submit here is the code to update the control UpdateIf(colRecord254, ID=ThisItem.ID, {c1:ListBox1_1.Selected.Code}); how do i make sure that an entry doesn't get stored in the control unless the listbox item has been selected?