DataGridView 数据导出到Excel

六、DataTable导出到excel（2） 1. StringWriter stringWriter = new StringWriter();

2. HtmlTextWriter htmlWriter = new HtmlTextWriter( stringWriter );

3. DataGrid excel = new DataGrid();

4. System.Web.UI.WebControls.TableItemStyle AlternatingStyle = new

TableItemStyle();

5. System.Web.UI.WebControls.TableItemStyle headerStyle = new

TableItemStyle();

6. System.Web.UI.WebControls.TableItemStyle itemStyle = new

TableItemStyle();

7. AlternatingStyle.BackColor = System.Drawing.Color.LightGray;

8. headerStyle.BackColor =System.Drawing.Color.LightGray;

9. headerStyle.Font.Bold = true;

10. headerStyle.HorizontalAlign =

System.Web.UI.WebControls.HorizontalAlign.Center;

11. itemStyle.HorizontalAlign =

System.Web.UI.WebControls.HorizontalAlign.Center;;

12.

13. excel.AlternatingItemStyle.MergeWith(AlternatingStyle);

14. excel.HeaderStyle.MergeWith(headerStyle);

15. excel.ItemStyle.MergeWith(itemStyle);

16. excel.GridLines = GridLines.Both;

17. excel.HeaderStyle.Font.Bold = true;

18. excel.DataSource = dt.DefaultView;//输出DataTable的内容

19. excel.DataBind();

20. excel.RenderControl(htmlWriter);

21.

22. string filestr = "d://data//"+filePath; //filePath是文件的路径

23. int pos = stIndexOf( "//");

24. string file = filestr.Substring(0,pos);

25. if( !Directory.Exists( file ) )

26. {

27. Directory.CreateDirectory(file);