asp.net GridView导出到Excel代码

代码如下:StringBuilder sb = new StringBuilder(); StringWriter sw = new StringWriter(sb); HtmlTextWriter htw = new HtmlTextWriter(sw); Page page = new Page(); HtmlForm form = new HtmlForm(); GVLinkman.EnableViewState = false; page.EnableEventValidation = false; page.DesignerInitialize(); page.Controls.Ad