How to show the formula in a cell when activating the cell in WinForms GridControl?
Show the formula in a cell
By default,
the formula will be shown in a cell even if it is in edit mode. In order to
show the formula in a cell when cell is activated, the ForceEditWhenActivated property
can be set as False.
this.gridControl1.ActivateCurrentCellBehavior = GridCellActivateAction.DblClickOnCell;
GridFormulaCellRenderer.ForceEditWhenActivated = false;Me.gridControl1.ActivateCurrentCellBehavior = GridCellActivateAction.DblClickOnCell
GridFormulaCellRenderer.ForceEditWhenActivated = FalseThe screenshot below displays the formula cell on double click.

Samples:
Reference Link: Formula Support