大橙子网站建设,新征程启航
为企业提供网站建设、域名注册、服务器等服务
小编给大家分享一下GridView在C#中如何导出Excel,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
为昭平等地区用户提供了全套网页设计制作服务,及昭平网站建设行业解决方案。主营业务为成都网站制作、做网站、外贸营销网站建设、昭平网站设计,以传统方式定制建设网站,并提供域名空间备案等一条龙服务,秉承以专业、用心的态度为用户提供真诚的服务。我们深信只要达到每一位用户的要求,就会得到认可,从而选择与我们长期合作。这样,我们也可以走得更远!
using System.Data; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.IO; using System.Text; namespace DotNet.Utilities { ////// Summary description for GridViewExport /// public class GridViewExport { public GridViewExport() { // // TODO: Add constructor logic here // } public static void Export(string fileName, GridView gv) { HttpContext.Current.Response.Clear(); HttpContext.Current.Response.AddHeader( "content-disposition", string.Format("attachment; filename={0}", fileName)); HttpContext.Current.Response.ContentType = "application/ms-excel"; //HttpContext.Current.Response.Charset = "utf-8"; using (StringWriter sw = new StringWriter()) { using (HtmlTextWriter htw = new HtmlTextWriter(sw)) { // Create a form to contain the grid Table table = new Table(); table.GridLines = GridLines.Both; //单元格之间添加实线 // add the header row to the table if (gv.HeaderRow != null) { PrepareControlForExport(gv.HeaderRow); table.Rows.Add(gv.HeaderRow); } // add each of the data rows to the table foreach (GridViewRow row in gv.Rows) { PrepareControlForExport(row); table.Rows.Add(row); } // add the footer row to the table if (gv.FooterRow != null) { PrepareControlForExport(gv.FooterRow); table.Rows.Add(gv.FooterRow); } // render the table into the htmlwriter table.RenderControl(htw); // render the htmlwriter into the response HttpContext.Current.Response.Write(sw.ToString()); HttpContext.Current.Response.End(); } } } ////// Replace any of the contained controls with literals /// /// private static void PrepareControlForExport(Control control) { for (int i = 0; i < control.Controls.Count; i++) { Control current = control.Controls[i]; if (current is LinkButton) { control.Controls.Remove(current); control.Controls.AddAt(i, new LiteralControl((current as LinkButton).Text)); } else if (current is ImageButton) { control.Controls.Remove(current); control.Controls.AddAt(i, new LiteralControl((current as ImageButton).AlternateText)); } else if (current is HyperLink) { control.Controls.Remove(current); control.Controls.AddAt(i, new LiteralControl((current as HyperLink).Text)); } else if (current is DropDownList) { control.Controls.Remove(current); control.Controls.AddAt(i, new LiteralControl((current as DropDownList).SelectedItem.Text)); } else if (current is CheckBox) { control.Controls.Remove(current); control.Controls.AddAt(i, new LiteralControl((current as CheckBox).Checked ? "True" : "False")); } if (current.HasControls()) { PrepareControlForExport(current); } } } ////// 导出Grid的数据(全部)到Excel /// 字段全部为BoundField类型时可用 /// 要是字段为TemplateField模板型时就取不到数据 /// /// grid的ID /// 数据源 /// 要导出Excel的文件名 public static void OutputExcel(GridView grid, DataTable dt, string excelFileName) { Page page = (Page)HttpContext.Current.Handler; page.Response.Clear(); string fileName = System.Web.HttpUtility.UrlEncode(System.Text.Encoding.UTF8.GetBytes(excelFileName)); page.Response.AddHeader("Content-Disposition", "attachment:filename=" + fileName + ".xls"); page.Response.ContentType = "application/vnd.ms-excel"; page.Response.Charset = "utf-8"; StringBuilder s = new StringBuilder(); s.Append("" + fileName + " "); int count = grid.Columns.Count; s.Append("
" + grid.Columns[i].HeaderText + " | "); //s.Append("" + grid.Columns[i].HeaderText + " | "); } s.Append("
" + dr[((BoundField)grid.Columns[n]).DataField].ToString() + " | "); } s.AppendLine("
以上是“GridView在C#中如何导出Excel”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注创新互联行业资讯频道!