C#导出excel

 1 /// <summary>
 2     /// 通过"AppLibrary.WriteExcel.XlsDocument",以.xls方式输出.
 3     /// </summary>
 4     public void WriteAsXLS() {
 5         AppLibrary.WriteExcel.XlsDocument doc = new AppLibrary.WriteExcel.XlsDocument();
 6         doc.FileName = "Report.xls";
 7 
 8         //获得数据库前30条记录.
 9         var data = GetTopRecords(30).ToArray<t_review>();
10         const int sheetMaxRecord = 10;  //每个sheet最多的行数.
11         int curRow = 2; //开始游标.
12 
13         int sheetNum = 1;   //sheet序号.
14         AppLibrary.WriteExcel.Worksheet sheet = null;
15 
16         for (int s = 0; s < data.Length; s++) {
17             if (s % sheetMaxRecord == 0) {
18                 sheet = doc.Workbook.Worksheets.Add("sheet-" + sheetNum++);
19                 AddHead(sheet);
20 
21                 curRow = 2;
22             }
23             AppLibrary.WriteExcel.Cells cells = sheet.Cells;
24 
25             cells.Add(curRow, 1, data[s].votes);
26             cells.Add(curRow, 2, data[s].user_id);
27             cells.Add(curRow, 3, data[s].review_id);
28             cells.Add(curRow, 4, data[s].stars);
29             cells.Add(curRow, 5, data[s].date);
30             cells.Add(curRow, 6, data[s].text);
31             cells.Add(curRow, 7, data[s].type);
32             cells.Add(curRow, 8, data[s].business_id);
33 
34             curRow++;
35         }
36         doc.Send();
37         Response.Flush();
38         Response.End();
39     }

1 IQueryable<t_review> GetTopRecords(int topNum) {
2         ReviewDataContext re = new ReviewDataContext();
3         return (from r in re.t_reviews
4                 select r).Take<t_review>(topNum);
5     }

 1 public void WriteAsXLS() {
 2         AppLibrary.WriteExcel.XlsDocument doc = new AppLibrary.WriteExcel.XlsDocument();
 3         doc.FileName = "Report.xls";
 4 
 5         ReviewDataContext re = new ReviewDataContext();
 6         var data = from r in re.t_reviews
 7                    select r;
 8         const int sheetMaxRecord = 60000;   //每个sheet最多的行数.
 9         int curRecord = 0; //实际记录号.
10         int curRow = 2; //当前待写入sheet中的行号.
11         
12         int sheetNum = 1;   //sheet序号.
13         AppLibrary.WriteExcel.Worksheet sheet = null;
14         
15         foreach (var r in data) {
16             if (curRecord % sheetMaxRecord == 0) {
17                 sheet = doc.Workbook.Worksheets.Add("sheet-" + sheetNum++);
18                 AddHead(sheet);
19 
20                 curRow = 2;
21             }
22             AppLibrary.WriteExcel.Cells cells = sheet.Cells;
23 
24             cells.Add(curRow, 1, r.votes);
25             cells.Add(curRow, 2, r.user_id);
26             cells.Add(curRow, 3, r.review_id);
27             cells.Add(curRow, 4, r.stars);
28             cells.Add(curRow, 5, r.date);
29             cells.Add(curRow, 6, r.text);
30             cells.Add(curRow, 7, r.type);
31             cells.Add(curRow, 8, r.business_id);
32 
33             curRecord++;
34         }
35         doc.Send();
36         Response.Flush();
37         Response.End();
38     }