The grids are sub-categorised by groups within the project explorer. These grids can be reordered into alphabetical order using the procedure below.
1. From within a project go to 'Preferences | .Settings | Project Explorer'.
2. Change the setting for 'Show Empty Groups' and click 'Save'.
3. Allow the Project Explorer to update, applying alphabetical ordering.
4. Repeat the above steps to reflect the pre-existing preference.