C# 将数据表导出到Excel通用方法

DataGrid dg = new DataGrid();

dg.DataSource = dt;

dg.DataBind();

Response.Clear();

Response.Buffer = true;

Response.Charset = "GB2312";

Response.AppendHeader("Content-Disposition", "attachment;filename=" + Server.UrlEncode("分省分批次成绩统计.xls"));

Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文

Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。

this.EnableViewState = false;

System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);

System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);

System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);

dg.RenderControl(oHtmlTextWriter);

Response.Write(oStringWriter.ToString());

Response.End();