/// <summary>
        /// Specials the index of the column sort at.
        /// </summary>
        /// <param name="index">The index.</param>
        /// <returns></returns>
        public bool SpecialColumnSortAtIndex(int index)
        {
            if (this.columnInfos == null)
            {
                return(false);
            }

            UPMGridColumnInfo columnInfo = this.columnInfos[index];

            return(columnInfo.SpecialSort);
        }
        /// <summary>
        /// Numerics the index of the column at.
        /// </summary>
        /// <param name="index">The index.</param>
        /// <returns></returns>
        public bool NumericColumnAtIndex(int index)
        {
            if (this.columnInfos == null)
            {
                return(false);
            }

            UPMGridColumnInfo columnInfo = this.columnInfos[index];

            return(columnInfo.IsNumeric);
        }