谁知道这里面的方法是什么意思。

悬赏园豆：10 [待解决问题]

 1 private string ExportExcel(DataPager dataPagerTemp, DataGrid dataGridTemp)
 2         {
 3             string colPath;
 4             System.Reflection.PropertyInfo propInfo;
 5             System.Windows.Data.Binding binding;
 6             System.Text.StringBuilder strBuilder = new System.Text.StringBuilder();
 7             //加载Excel表头数据   
 8             List<string> headers = new List<string>();
 9             for (int i = 0; i < dataGridTemp.Columns.Count; ++i)
10             {
11                 string strTemp = dataGridTemp.Columns[i].Header.ToString();
12                 headers.Add(FormatCSVField(strTemp));
13 
14             }
15             strBuilder.Append(String.Join("", headers.ToArray()))
16             .Append("\t\n");
17 
18             //内容   
19             for (int i = 0; i < dataPagerTemp.PageCount; i++)
20             {
21                 dataPagerTemp.PageIndex = i;
22 
23                 foreach (Object m_Temp in dataGridTemp.ItemsSource)
24                 {
25                     List<string> csvRow = new List<string>();
26 
27                     foreach (DataGridColumn col in dataGridTemp.Columns)
28                     {
29                         if (col is DataGridBoundColumn)
30                         {
31                             binding = (col as DataGridBoundColumn).Binding;
32                             colPath = binding.Path.Path;
33                             string[] pathlist = colPath.Split('.');
34 
35                             object currentData = m_Temp;
36                             int count = 0;
37                             foreach (string item in pathlist)
38                             {
39                                 propInfo = currentData.GetType().GetProperty(item);
40                                 if (propInfo == null) break;
41                                 count++;
42                                 if (count == pathlist.Length)
43                                 {
44                                     csvRow.Add(FormatCSVField(propInfo.GetValue(currentData, null).ToString()));
45                                     break;
46                                 }
47                                 else
48                                 {
49                                     currentData = propInfo.GetValue(currentData, null);
50                                 }
51 
52                             }
53 
54                         }
55                     }
56                     strBuilder
57                     .Append(String.Join("", csvRow.ToArray()))
58                     .Append("\t\n");
59                 }
60             }
61             dataPagerTemp.PageIndex = 0;
62             return strBuilder.ToString();
63         }