public ICellStyle Get(CustomCellStyle rootCustomCellStyle, ConditionalStyle condStyle)
        {
            var s = rootCustomCellStyle.ToString();

            if (condStyle != ConditionalStyle.None)
            {
                s = string.Format("{0}_{1}", s, condStyle);
            }
            var customCellStyle = CustomCellStyle.Default;

            Enum.TryParse <CustomCellStyle>(s, out customCellStyle);
            return(Get(customCellStyle));
        }