C# 後臺GET、POST 傳值

public string GetModel(string strUrl)
{
    string strRet = null;
    try
    {
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(strUrl);
        request.Timeout = 2000;
        HttpWebResponse response = (HttpWebResponse)request.GetResponse();
        System.IO.Stream resStream = response.GetResponseStream();
        Encoding encode = System.Text.Encoding.Default;
        StreamReader readStream = new StreamReader(resStream, encode);
        Char[] read = new Char[256];
        int count = readStream.Read(read, 0, 256);
        while (count > 0)
        {
            String str = new String(read, 0, count);
            strRet = strRet + str;
            count = readStream.Read(read, 0, 256);
        }
        resStream.Close();
    }
    catch (Exception e)
    {
        strRet = "";
    }
    return strRet;
}

 

public string PostModel(string strUrl, string strParm)
{
    Encoding encode = System.Text.Encoding.UTF8;
    byte[] arrB = encode.GetBytes(strParm);
    HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(strUrl);
    myReq.Method = "POST";
    myReq.ContentType = "application/x-www-form-urlencoded";
    myReq.ContentLength = arrB.Length;
    Stream outStream = myReq.GetRequestStream();
    outStream.Write(arrB, 0, arrB.Length);
    outStream.Close();
    WebResponse myResp = null;
    try
    {
        //接收HTTP做出的響應
        myResp = myReq.GetResponse();
    }
    catch (Exception e)
    {
        ///
    }
    Stream ReceiveStream = myResp.GetResponseStream();
    StreamReader readStream = new StreamReader(ReceiveStream, encode);
    Char[] read = new Char[256];
    int count = readStream.Read(read, 0, 256);
    string str = null;
    while (count > 0)
    {
        str += new String(read, 0, count);
        count = readStream.Read(read, 0, 256);
    }
    readStream.Close();
    myResp.Close();
    return str;
}