获得StartIndex和PageSize运算的得出的页码数 - GetStartIndexToPageNumber

2017-04-28 11:40:06  访问(1447) 赞(0) 踩(0)


        /// <summary>
        /// 获得StartIndex和PageSize运算的得出的页码数 - GetStartIndexToPageNumber +
        /// </summary>
        /// <param name="startIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public static int GetStartIndexToPageNumber(int startIndex, int pageSize)
        {
            if (pageSize == 0)
                return int.MaxValue;

            if (startIndex == 0)
                return pageSize;


            long theResult = (long)pageSize + (long)startIndex;

            if (theResult > int.MaxValue)
                return int.MaxValue;

            return (int)theResult;
        }


标签:获得StartIndex和PageSize运算的得出的页码数 - GetStartIndexToPageNumber 

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