C#中获取多个对象list中对象共有的属性项

场景

有一组数据list<TestDataList>

每一个TestDataList是一个对象，此对象可能有温度数据，也可能没有温度数据。

有温度数据的情况下，温度数据属性又是一个list，可能有温度A、B、C等不同种类。

怎样在这组list<TestDataList>找到共有的温度B。

 

这只是针对温度数据，如果压力和BMS情况也是如此。

注：

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实现

 //存储所有辅助通道温度数据的list
                List<List<DataItem>> autxColumnsList = new List<List<DataItem>>();
                //存储所有辅助通道电压数据的list
                List<List<DataItem>> autvColumnsList = new List<List<DataItem>>();
                //存储所有BMS数据的list
                List<List<DataItem>> bmsColumnsList = new List<List<DataItem>>();
                //遍历所有的待比较的实验数据文件
                foreach (TestDataList dataList in Global.Instance.CompTestDataList)
                 {
                        if (dataList.AutxColumns != null && dataList.AutxColumns.Count > 0)
                        {
                            autxColumnsList.Add(dataList.AutxColumns);
                        }
                        else
                        {
                            isAllHaveAut = false;
                        }

                        if (dataList.AuvxColumns != null && dataList.AuvxColumns.Count > 0)
                        {
                            autvColumnsList.Add(dataList.AuvxColumns);
                        }
                        else
                        {
                            isAllHaveAuv = false;
                        }

                        if (dataList.BmsColumns != null && dataList.BmsColumns.Count > 0)
                        {
                            bmsColumnsList.Add(dataList.BmsColumns);
                        }
                        else
                        {
                            isAllHaveBMS = false;
                        }
                    }

                #region 如果待比较的文件中全部都拥有辅助通道温度

                if (isAllHaveAut)
                    {
                        List<DataItem> maxCoutItem = new List<DataItem>();
                        List<DataItem> allHaveItem = new List<DataItem>();
                        foreach (List<DataItem> item in autxColumnsList)
                        {
                            if(item.Count>maxCoutItem.Count)
                            {
                                maxCoutItem = item;
                            }
                        }
                       
                        foreach (DataItem dataItem in maxCoutItem)
                        {
                            bool isAllHavedItem = true;
                            foreach (List<DataItem> item in autxColumnsList)
                            {
                                if (!item.Contains(dataItem))
                                {
                                    isAllHavedItem = false;
                                }
                            }
                            if (isAllHavedItem)
                            {
                                allHaveItem.Add(dataItem);
                            }
                        }

                        foreach (DataItem item in allHaveItem)
                        {
                            ScaleTitleModel model = new ScaleTitleModel();
                            model.TitleKey = item.DataPropertyName;
                            model.Title = item.DisplayName;
                            yRadioGrupItems.Add(model);
                        }
                    }
                #endregion

                #region 如果待比较的文件中全部都拥有辅助通道电压
              
                    if (isAllHaveAuv)
                    {
                        List<DataItem> maxCoutItem = new List<DataItem>();
                        List<DataItem> allHaveItem = new List<DataItem>();
                        foreach (List<DataItem> item in autvColumnsList)
                        {
                            if (item.Count > maxCoutItem.Count)
                            {
                                maxCoutItem = item;
                            }
                        }

                        foreach (DataItem dataItem in maxCoutItem)
                        {
                            bool isAllHavedItem = true;
                            foreach (List<DataItem> item in autvColumnsList)
                            {
                                if (!item.Contains(dataItem))
                                {
                                    isAllHavedItem = false;
                                }
                            }
                            if (isAllHavedItem)
                            {
                                allHaveItem.Add(dataItem);
                            }
                        }

                        foreach (DataItem item in allHaveItem)
                        {
                            ScaleTitleModel model = new ScaleTitleModel();
                            model.TitleKey = item.DataPropertyName;
                            model.Title = item.DisplayName;
                            yRadioGrupItems.Add(model);
                        }
                    }
                #endregion

                #region 如果待比较的文件中全部都拥有辅助通道电压
                    if (isAllHaveBMS)
                    {
                        List<DataItem> maxCoutItem = new List<DataItem>();
                        List<DataItem> allHaveItem = new List<DataItem>();
                        foreach (List<DataItem> item in bmsColumnsList)
                        {
                            if (item.Count > maxCoutItem.Count)
                            {
                                maxCoutItem = item;
                            }
                        }

                        foreach (DataItem dataItem in maxCoutItem)
                        {
                            bool isAllHavedItem = true;
                            foreach (List<DataItem> item in bmsColumnsList)
                            {
                                if (!item.Contains(dataItem))
                                {
                                    isAllHavedItem = false;
                                }
                            }
                            if (isAllHavedItem)
                            {
                                allHaveItem.Add(dataItem);
                            }
                        }

                        foreach (DataItem item in allHaveItem)
                        {
                            ScaleTitleModel model = new ScaleTitleModel();
                            model.TitleKey = item.DataPropertyName;
                            model.Title = item.DisplayName;
                            yRadioGrupItems.Add(model);
                        }
                    }
                    #endregion