static public void OutPutExcel(DataSet ds, string typeid, string FileName){
HttpResponse resp;
resp = HttpContext.Current.Response;
resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
resp.AppendHeader("Content-Disposition", "attachment;filename=" + FileName + ".xls");
//System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN",true);
string colHeaders = "", ls_item = "";
//定义表对象与行对像,同时用DataSet对其值进行初始化
DataTable dt = ds.Tables[0];
DataRow[] myRow = dt.Select("");
// typeid=="1"时导出为EXCEL格式文件;typeid=="2"时导出为XML格式文件
if (typeid == "1")
{
resp.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
// 取得数据表各列标题,各标题之间以\t分割,最后一个列标题后加回车符
for (int i = 0; i < dt.Columns.Count; i++){
if (i != dt.Columns.Count - 1)
colHeaders += dt.Columns[i].Caption.ToString() + "\t";
else
colHeaders += dt.Columns[i].Caption.ToString() + "\n";
}
// 向HTTP输出流中写入取得的数据信息
resp.Write(colHeaders);
foreach (DataRow row in myRow){
// 在当前行中,逐列获得数据,数据之间以\t分割,结束时加回车符\n
for (int i = 0; i < dt.Columns.Count; i++){
if (i != dt.Columns.Count - 1)
ls_item += Convert.ToString(row[i]) + "\t";
else
ls_item += Convert.ToString(row[i]) + "\n";
}
// 当前行数据写入HTTP输出流,并且置空ls_item以便下行数据
resp.Write(ls_item);
ls_item = "";
}
}
else{
// 从DataSet中直接导出XML数据并且写到HTTP输出流中
resp.Write(ds.GetXml());
}
//写缓冲区中的数据到HTTP头文件中
resp.Flush();
resp.End();
}
protected void Button2_Click(object sender, EventArgs e)
{
sqlcon.RunSQL("select epuser.EpRealName, EpDiscountInfo.epdis_title from epuser,EpDiscountInfo where epuser.epid=EpDiscountInfo.epid order by EpRealName", ref ds, "linhai");
OutPutExcel(ds,"1","linhai");
}
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