public void ExportTxt(){
StringWriter sw = new StringWriter();
string s = "游戏卡号\t游戏卡密码\t投放日期\t有效期限\t面额\t\r\n";
sw.WriteLine(s.Trim());
s = "";
string sql="";
Databale dt=DBhelper.query(sql);//查询出要导出的内容
for (int i = 0; i < dt.Rows.Count; i++)
{
s += CmnProc.getString(dt.Rows[i]["cCardNumber"]) + "\t";//获取导出的内容
s += Portal_Utility.Encrypt.busEncrypt.get_CardNo(CmnProc.getString(dt.Rows[i]["cPassword"]), sKey, CmnProc.getString(textboxIV.Text), false) + "\t";//获取导出的
s += CmnProc.getDateTime(dt.Rows[i]["CardBeginDate"]).ToString("yyyy-MM-dd") + "\t";
s += CmnProc.getDateTime(dt.Rows[i]["CardEndDate"]).ToString("yyyy-MM-dd") + "\t";
s += CmnProc.getString(dt.Rows[i]["cMoneyPrice"]).ToString() + "\t";
sw.WriteLine(s.Trim());
s = "";
}
sw.Close();
Response.AddHeader("Content-Disposition", "attachment; filename=GameCard.txt");
Response.ContentType = "text/plain";
Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
Response.Write(sw);
Response.End();
}