DateTime Picker in GridView Too Small

            this.radGridView1.CellEditorInitialized += RadGridView1_CellEditorInitialized;

        private void RadGridView1_CellEditorInitialized(object sender, GridViewCellEventArgs e)
        {
            RadDateTimeEditor dateEditor = e.ActiveEditor as RadDateTimeEditor;
            if (dateEditor!=null)
            {
                RadDateTimeEditorElement element = dateEditor.EditorElement as RadDateTimeEditorElement;
                element.CalendarSize = new Size(300, 300);
            }
        }