asp.net HttpWebRequest POST GET 数据

1.  protected string GETFileData(string TheURL)
2.     {
3.         try
4.         {
5.             Uri uri = new Uri(TheURL);
6.             System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(uri);
7.             request.Method = "GET";
8.             request.ContentType = "application/x-www-form-urlencoded";
9.             request.AllowAutoRedirect = false;
10.             request.Timeout = 5000;
11.             System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
12.             Stream responseStream = response.GetResponseStream();
13.             StreamReader readStream = new StreamReader(responseStream, System.Text.Encoding.UTF8);
14.             string retext = readStream.ReadToEnd().ToString();
15.             readStream.Close();
16.             return retext;
17.         }
18.         catch (Exception ex)
19.         {
20.             return ex.ToString();
21.         }
22.     }
23.     protected string PostFileData(string TheURL, byte[] data)
24.     {
25.         try
26.         {
27.             Uri uri = new Uri(TheURL);
28.             System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(uri);
29.             request.Method = "POST";
30.             request.ContentType = "application/x-www-form-urlencoded";
31.             request.AllowAutoRedirect = false;
32.             request.Timeout = 5000;
33.             request.ContentLength = data.Length;
34.             Stream newStream = request.GetRequestStream();
35.             newStream.Write(data, 0, data.Length);
36.             newStream.Close();
37.             System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
38.             Stream responseStream = response.GetResponseStream();
39.             StreamReader readStream = new StreamReader(responseStream, System.Text.Encoding.UTF8);
40.             string retext = readStream.ReadToEnd().ToString();
41.             readStream.Close();
42.             return retext;
43.         }
44.         catch (Exception ex)
45.         {
46.             return ex.ToString();
47.         }
48.     }