如何从 c# 将多条记录发布到网站？

Question

我想在从数据库表中读取记录后将多条记录发送到网站。我可以发送一条记录，但不能循环遍历记录并一次发送一条。

这是我正在使用的部分代码：

HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

req.Method = "POST";

req.ContentType = "application/x-www-form-urlencoded";

SqlCommand cmd = new SqlCommand("select top 10 field1, field2, field3, field4 prices", conn);

SqlDataReader rd = cmd.ExecuteReader();

WebResponse rs;
string strNewValue;

StreamWriter stOut = new StreamWriter(req.GetRequestStream(), System.Text.Encoding.ASCII);

while (rd.Read())

{


strNewValue = "field1='" + rd[0].ToString() + "'&field2='" + rd[1].ToString() + "'&field3='AM'&field4=" + rd[2].ToString();

stOut.Write(strNewValue);



}

stOut.Close();

rs = req.GetResponse();

此代码仅发布最后一条记录。如何循环浏览记录并一次发布所有记录。

提前致谢

Answer 1

看起来您正在将所有记录放入同一个 http 帖子中 - 尝试将其更改为发布每条记录 - 如下所示：

SqlCommand cmd = new SqlCommand("select top 10 field1, field2, field3, field4 prices", conn);

SqlDataReader rd = cmd.ExecuteReader();


while (rd.Read())
{


HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

req.Method = "POST";

req.ContentType = "application/x-www-form-urlencoded";


WebResponse rs; string strNewValue;

StreamWriter stOut = new StreamWriter(req.GetRequestStream(), System.Text.Encoding.ASCII);


strNewValue = "field1='" + rd[0].ToString() + "'&field2='" + rd[1].ToString() + "'&field3='AM'&field4=" + rd[2].ToString();

stOut.Write(strNewValue);
stOut.Close();
rs = req.GetResponse();

}

rd.Close();