How to get the cell value of DoubleTextBox from CurrentCellValidated event in WinForms GridControl?

this.gridControl1.CurrentCellValidated += gridControl1_CurrentCellValidated;
}
private void gridControl1_CurrentCellValidated(object sender, EventArgs e)
{
    //throw new NotImplementedException();
    GridCurrentCell cc = this.gridControl1.CurrentCell;
    if (cc.ColIndex > 0 && cc.RowIndex > 0)
    {
        string value = this.gridControl1[cc.RowIndex, cc.ColIndex].CellValue.ToString();
    }
}

Private Me.gridControl1.CurrentCellValidated += AddressOf gridControl1_CurrentCellValidated
}
Private Sub gridControl1_CurrentCellValidated(ByVal sender As Object, ByVal e As EventArgs)
 'throw new NotImplementedException();
 Dim cc As GridCurrentCell = Me.gridControl1.CurrentCell
 If cc.ColIndex > 0 AndAlso cc.RowIndex > 0 Then
  Dim value As String = Me.gridControl1(cc.RowIndex, cc.ColIndex).CellValue.ToString()
 End If
End Sub