DataGridView 数据导出到Excel

24. if (ds.Tables[0].Rows.Count == 0)

25. {

26. MessageBox.Show("数据集为空");

27. }

28. Microsoft.Office.Interop.Excel._Application xlapp = new ApplicationClass();

29. Workbook xlbook = xlapp.Workbooks.Add(true);

30. Worksheet xlsheet = (Worksheet)xlbook.Worksheets[1];

31. Range range = xlsheet.get_Range(xlapp.Cells[1, 1], xlapp.Cells[1,

ds.Tables[0].Columns.Count]);

32. range.MergeCells = true;

33. xlapp.ActiveCell.FormulaR1C1 = ReportName;

34. xlapp.ActiveCell.Font.Size = 20;

35. xlapp.ActiveCell.Font.Bold = true;

36. xlapp.ActiveCell.HorizontalAlignment =

Microsoft.Office.Interop.Excel.Constants.xlCenter;

37. int colIndex = 0;

38. int RowIndex = 2;

39. //开始写入每列的标题

40. foreach (DataColumn dc in ds.Tables[0].Columns)

41. {

42. colIndex++;

43. xlsheet.Cells[RowIndex, colIndex] = dc.Caption;

44. }

45. //开始写入内容

46. int RowCount = ds.Tables[0].Rows.Count;//行数

47. for (int i = 0; i < RowCount; i++)

48. {

49. RowIndex++;

50. int ColCount = ds.Tables[0].Columns.Count;//列数

51. for (colIndex = 1; colIndex <= ColCount; colIndex++)

52. {

53. xlsheet.Cells[RowIndex, colIndex] = ds.Tables[0].Rows[i][colIndex - 1];//dg[i,

colIndex - 1];