获取ArrayList集合中的最大值、最小值

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//获取最大值

public double CalculationMax(ArrayList sampleList)
 {
            try
            {
                double maxDevation = 0.0;
                int totalCount = sampleList.Count;
                if (totalCount >= 1)
                {
                    double max = Double.Parse(sampleList[0].ToString());
                    for (int i = 0; i < totalCount; i++)
                    {
                        double temp = Double.Parse(sampleList[i].ToString());
                        if (temp > max)
                        {
                            max = temp;
                        }
                    } maxDevation = max;
                }
                return maxDevation;
            }
            catch (Exception ex)
            {
                LogInfo.InsertErrorSystemLog("通用计算公式", "获取集合中的最大值:"   + ex.Message);
                throw ex;
            }

  }

//获取最小值

public double CalculationMin(ArrayList sampleList)
 {
            try
            {
                double mixDevation = 0.0;
                int totalCount = sampleList.Count;
                if (totalCount >= 1)
                {
                        double min = Double.Parse(sampleList[0].ToString());
                        for (int i = 0; i < totalCount; i++)
                        {
                            double temp = Double.Parse(sampleList[i].ToString());
                            if (min > temp)
                            {
                                min = temp;
                            }
                        } mixDevation = min;
                }
                return mixDevation;
            }
            catch (Exception ex)
            {
                LogInfo.InsertErrorSystemLog("通用计算公式", "获取集合中的最小值:" + ex.Message);
                throw ex;
            }
        }