ListView 日期,数字,字符排序

  1private void listView_ColumnClick(object sender, ColumnClickEventArgs e)
  2        {
  3            int sortColumn = e.Column;
  4            ListView listView = (ListView)sender;
  5
  6            if (listView.Name == "listView2")
  7            {
  8                if (listView2.Sorting == SortOrder.Ascending)
  9                    listView2.Sorting = SortOrder.Descending;
 10                else
 11                    listView2.Sorting = SortOrder.Ascending;
 12
 13                this.listView2.ListViewItemSorter = new ListViewItemComparer(e.Column, listView2.Sorting);
 14            }
 15            else if (listView.Name == "listView3")
 16            {
 17                if (listView3.Sorting == SortOrder.Ascending)
 18                    listView3.Sorting = SortOrder.Descending;
 19                else
 20                    listView3.Sorting = SortOrder.Ascending;
 21
 22                this.listView3.ListViewItemSorter = new ListViewItemComparer(e.Column, listView3.Sorting);
 23            }
 24            else if (listView.Name == "listView4")
 25            {
 26                if (listView4.Sorting == SortOrder.Ascending)
 27                    listView4.Sorting = SortOrder.Descending;
 28                else
 29                    listView4.Sorting = SortOrder.Ascending;
 30
 31                this.listView4.ListViewItemSorter = new ListViewItemComparer(e.Column, listView4.Sorting);
 32            }
 33            else if (listView.Name == "listView5")
 34            {
 35                if (listView5.Sorting == SortOrder.Ascending)
 36                    listView5.Sorting = SortOrder.Descending;
 37                else
 38                    listView5.Sorting = SortOrder.Ascending;
 39
 40                this.listView5.ListViewItemSorter = new ListViewItemComparer(e.Column, listView5.Sorting);
 41            }
 42        }
 43
 44        class ListViewItemComparer : System.Collections.IComparer
 45        {
 46            private int col;
 47            private SortOrder order;
 48            public ListViewItemComparer()
 49            {
 50                col = 0;
 51                order = SortOrder.Ascending;
 52            }
 53            public ListViewItemComparer(int column, SortOrder order)
 54            {
 55                col = column;
 56                this.order = order;
 57            }
 58            public int Compare(object x, object y)
 59            {
 60                int returnVal;
 61                decimal w;
 62                DateTime r;
 63                bool k = Decimal.TryParse(((ListViewItem)x).SubItems[col].Text, out w);
 64                bool s = DateTime.TryParse(((ListViewItem)x).SubItems[col].Text, out r);
 65                if (k == true && order != SortOrder.Descending)//数字正排序
 66                {
 67                    Decimal k1 = Int32.Parse(((ListViewItem)x).SubItems[col].Text);
 68                    Decimal k2 = Int32.Parse(((ListViewItem)y).SubItems[col].Text);
 69                    if (k2 > k1)
 70                        returnVal = -1;
 71                    if (k2 < k1)
 72                        returnVal = 1;
 73                    else
 74                        returnVal = 0;
 75                }
 76                else
 77                {
 78                    if (s == true)//时间排序
 79                    {
 80                        System.DateTime firstDate = DateTime.Parse(((ListViewItem)x).SubItems[col].Text);
 81                        System.DateTime secondDate = DateTime.Parse(((ListViewItem)y).SubItems[col].Text);
 82                        returnVal = DateTime.Compare(firstDate, secondDate);
 83                    }
 84                    else//字符排序
 85                    {
 86                        returnVal = String.Compare(((ListViewItem)x).SubItems[col].Text,
 87                                    ((ListViewItem)y).SubItems[col].Text);
 88                    }
 89                }
 90
 91                if (order == SortOrder.Descending)
 92                {
 93                    if (k == true)//数字倒排序
 94                    {
 95                        System.Int32 k3 = Int32.Parse(((ListViewItem)x).SubItems[col].Text);
 96                        System.Int32 k4 = Int32.Parse(((ListViewItem)y).SubItems[col].Text);
 97                        if (k3 > k4)
 98                            returnVal = 1;
 99                        if (k3 < k4)
100                            returnVal = -1;
101                        else
102                            returnVal = 0;
103                    }
104                    returnVal *= -1;
105                }
106                return returnVal;
107            }
108        }