导出GridView到Exel

 1   /// <summary>
 2         /// 导出到Excel文件
 3         /// </summary>
 4         /// <param name="gridView">数据网格</param>
 5         public static void ExportToExcel(GridView gridView) ///////////////////////////////////////
 6         {
 7             ExportToExcel_Plus(gridView, "");
 8         }
 9 
10         /// <summary>
11         /// 导出到Excel文件
12         /// </summary>
13         /// <param name="gridView">数据网格</param>
14         /// <param name="filename"></param>
15         public static void ExportToExcel(GridView gridView, string fileName)/////////////////////////////////////////
16         {
17             ExportToExcel_Plus(gridView, fileName);
18         }
19 
20         private static void ExportToExcel_Plus(GridView gridView, string fileName)////////////////////////////////////////////
21         {
22             if (gridView.RowCount == 0)
23             {
24                 MsgBox.ShowOK("没有数据需要导出。请先检索出数据，然后导出。");
25                 return;
26             }
27             //userright ur = new userright();
28             //if (!ur.GetUserRightDetail("f4"))
29             //{
30             //    MsgBox.ShowOK("没有数据导出权限。如果确实需要，请联系公司相关负责人员给您授权!");
31             //    return;
32             //}
33             Cursor currentCursor = Cursor.Current;
34             Cursor.Current = Cursors.WaitCursor;
35 
36             SaveFileDialog sfd = new SaveFileDialog();
37             sfd.Title = "导出到Microsoft Excel文件【注意：不能覆盖已存在的文件】";
38             sfd.Filter = "Microsoft Excel文件(*.xls;*.xlsx)|*.xls;*.xlsx";
39             sfd.DefaultExt = "xls";
40             sfd.FileName = fileName.Trim() == "" ? "" : fileName;
41             GridColumn gc = GetGridViewColumn(gridView, "billstate");//获取状态列
42 
43             if (sfd.ShowDialog() == DialogResult.OK)
44             {
45                 try
46                 {
47                     GridViewExportLink gvLink = gridView.CreateExportLink(new ExportXlsProvider(sfd.FileName)) as GridViewExportLink;
48                     gvLink.ExportAll = true; //true 导出所有 false 导出选中行
49                     if (gc != null && gc.Visible) gvLink.ExportCellsAsDisplayText = true;
50                     else gvLink.ExportCellsAsDisplayText = false;
51                     //if (commonclass.reptitle.Contains("圣安") || commonclass.reptitle.Contains("华泉龙"))
52                     //    gvLink.ExportCellsAsDisplayText = true;
53 
54                     //gvLink.ExportAppearance.Row.BackColor = Color.White;
55                     //gvLink.ExportAppearance.EvenRow.BackColor = Color.White;
56 
57                     gvLink.ExportTo(true);
58                     Cursor.Current = currentCursor;
59 
60                     if (MsgBox.ShowYesNo("导出成功!是否打开文件?\r\n\r\n" + sfd.FileName) == DialogResult.Yes)
61                     {
62                         try
63                         {
64                             System.Diagnostics.Process process = new System.Diagnostics.Process();
65                             process.StartInfo.FileName = sfd.FileName;
66                             process.StartInfo.Verb = "Open";
67                             process.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
68                             process.Start();
69                         }
70                         catch
71                         {
72                             MsgBox.ShowOK("打开失败。您的系统中没有合适的程序打开该文件!");
73                         }
74                     }
75                 }
76                 catch (IOException)
77                 {
78                     MsgBox.ShowOK("导出失败!\r\n文件已打开，无法覆盖!");
79                 }
80                 catch (Exception ex)
81                 {
82                     MsgBox.ShowOK("导出失败：\r\n" + ex.Message);
83                 }
84             }
85         }