最近想整理一些词库,懒得手动找,又怕手一哆嗦有遗漏,决定写程序完成吧。
首先将数据用GridView控件显示到页面上,效果如下:
接下来将GridView中的内容导出到Excel,方法如下:
/// <summary>
/// 由GridView导出Excel
/// </summary>
/// <param name="ctl">GridView控件ID</param>
/// <param name="FileName">导出Excel名称</param>
private void ToExcel(Control ctl, string FileName)
{
HttpContext.Current.Response.Charset = "UTF-8";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + "" + FileName);
ctl.Page.EnableViewState = false;
System.IO.StringWriter tw = new System.IO.StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
ctl.RenderControl(hw);
HttpContext.Current.Response.Write(tw.ToString());
HttpContext.Current.Response.End();
}
/// 由GridView导出Excel
/// </summary>
/// <param name="ctl">GridView控件ID</param>
/// <param name="FileName">导出Excel名称</param>
private void ToExcel(Control ctl, string FileName)
{
HttpContext.Current.Response.Charset = "UTF-8";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + "" + FileName);
ctl.Page.EnableViewState = false;
System.IO.StringWriter tw = new System.IO.StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
ctl.RenderControl(hw);
HttpContext.Current.Response.Write(tw.ToString());
HttpContext.Current.Response.End();
}
在按钮上添加事件来导出Excel。注意,因为GridView是有分页和排序设置的,为了能够显示完整的数据,要先取消分页排序,导出之后再恢复设置。代码如下:
protected void btnExport_Click(object sender, EventArgs e)
{
gvWord.AllowPaging = false;
gvWord.AllowSorting = false;
Display();
ToExcel(gvWord, "word.xls");
gvWord.AllowSorting = true;
gvWord.AllowPaging = true;
Display();
}
{
gvWord.AllowPaging = false;
gvWord.AllowSorting = false;
Display();
ToExcel(gvWord, "word.xls");
gvWord.AllowSorting = true;
gvWord.AllowPaging = true;
Display();
}
可是运行之后报错:
类型“GridView”的控件“GridView1”必须放在具有 runat=server 的窗体标记内。
添加重写方法:
public override void VerifyRenderingInServerForm(Control control)
{
//base.VerifyRenderingInServerForm(control);
}
{
//base.VerifyRenderingInServerForm(control);
}
完成后效果如下:
这下可以让程序帮我整理了,省了一笔麻烦啊。
本文转自 陈敬(Cathy) 博客园博客,原文链接:http://www.cnblogs.com/janes/archive/2011/01/05/1926161.html,如需转载请自行联系原作者