Read SINA weather forecast to WAP page with C # (ii)

Sina| Weather Forecast | page

public class Weather:System.Web.UI.MobileControls.MobilePage
{
protected System.Web.UI.MobileControls.Label Label1;
protected System.Web.UI.MobileControls.Label Label2;
protected System.Web.UI.MobileControls.SelectionList S_weather;
protected System.Web.UI.MobileControls.Label l_date;
protected System.Web.UI.MobileControls.Label l_city;
protected System.Web.UI.MobileControls.Label L_wea;
protected System.Web.UI.MobileControls.Label L_sky;
protected System.Web.UI.MobileControls.Label l_w1;
protected System.Web.UI.MobileControls.Label l_w2;
protected System.Web.UI.MobileControls.Label l_w3;
protected System.Web.UI.MobileControls.Link Link1;
protected System.Web.UI.MobileControls.Command Command1;
protected System.Web.UI.MobileControls.Label Label3;
protected System.Web.UI.MobileControls.Form Form1;

  private void Page_Load (object sender, System.EventArgs e)
  {
   // Place user code here to initialize page
   if (! Page.IsPostBack)
   {
    string city = "Shenzhen";
    int Start,stop;
    string Weather1,weather2,wea;
    string wea_city = weather_city (city);
    wea_city = wea_city. Replace ("", "");

    start = wea_city. IndexOf ("<b>"), 0,wea_city. Length);
    stop = wea_city. IndexOf ("</b>", start);
    weather1 = wea_city. Substring (Start, Stop-start). Trim () + "         ";
    weather1 = Weather1. Substring (3,8). Trim ();
   
    start = wea_city. IndexOf ("<tdstyle=\" font-size:40px;font-family:timesnewroman;font-weight:bold;\ ">", 0,wea_city. Length);
    stop = wea_city. IndexOf ("℃", start) + 40;
    weather2 = wea_city. Substring (start, Stop-start);
    weather2 = Weather2. Substring (stop-start-42,40). Trim ();
    weather2 = Weather2. Replace ("\ T", "");

    start = wea_city. IndexOf ("<fontcolor= #183888 ><b>", 0, Wea_city. Length);
    stop = wea_city. IndexOf ("</b></font>", start);
    wea = wea_city. Substring (Start,stop-start);
    wea = WEA. Substring (22,wea. Length-22) + "KBRK";
    wea = WEA. Replace ("T", "");
    wea = WEA. Replace (">", "K");
    wea = WEA. Replace ("<", "K");
    wea = WEA. Replace ("Kbrk", "K");
    string [] wall = null;
    char[] Seperator = {' k '};
    wall = WEA. Split (seperator);

//////////////////////////////////////
L_city. Text = "[Cities]:" + City;
L_wea. Text = "[Weather]:" + weather1;
L_sky. Text = "[Temperature]:" + weather2;
///////
L_date. Text = wall[0];
L_w1. Text = wall[1];
L_w2. Text = wall[2];
L_w3. Text = wall[3];
}
}

Code generated #region the Web forms Designer
Override protected void OnInit (EventArgs e)
{
//
CodeGen: This call is required for the ASP.net Web forms Designer.
//
InitializeComponent ();
Base. OnInit (e);
}

<summary>
Designer supports required methods-do not use the Code editor to modify
The contents of this method.
</summary>
private void InitializeComponent ()
{
This.Command1.Click + = new System.EventHandler (This.command1_click);
This. Load + = new System.EventHandler (this. Page_Load);

}
#endregion

private void Command1_Click (object sender, System.EventArgs e)
{
String city = S_weather. Selection.Value.Trim ();
int start,stop;
String Weather1,weather2,wea;
String wea_city = Weather_city (city);
Wea_city = wea_city. Replace ("", "");

   start = wea_city. IndexOf ("<b>"), 0,wea_city. Length);
   stop = wea_city. IndexOf ("</b>", start);
   weather1 = wea_city. Substring (Start, Stop-start). Trim () + "         ";
   weather1 = Weather1. Substring (3,8). Trim ();
   
   start = wea_city. IndexOf ("<tdstyle=\" font-size:40px;font-family:timesnewroman;font-weight:bold;\ ">", 0,wea_city. Length);
   stop = wea_city. IndexOf ("℃", start) + 40;
   weather2 = wea_city. Substring (start, Stop-start);
   weather2 = Weather2. Substring (stop-start-42,40). Trim ();
   weather2 = Weather2. Replace ("\ T", "");

   start = wea_city. IndexOf ("<fontcolor= #183888 ><b>", 0, Wea_city. Length);
   stop = wea_city. IndexOf ("</b></font>", start);
   wea = wea_city. Substring (Start,stop-start);
   wea = WEA. Substring (22,wea. Length-22) + "KBRK";
   wea = WEA. Replace ("T", "");
   wea = WEA. Replace (">", "K");
   wea = WEA. Replace ("<", "K");
   wea = WEA. Replace ("Kbrk", "K");
   string [] wall = null;
   char[] Seperator = {' k '};
   wall = WEA. Split (seperator);

//////////////////////////////////////
L_city. Text = "[Cities]:" + City;
L_wea. Text = "[Weather]:" + weather1;
L_sky. Text = "[Temperature]:" + weather2;
///////
L_date. Text = wall[0];
L_w1. Text = wall[1];
L_w2. Text = wall[2];
L_w3. Text = wall[3];
}

public string weather_city (String city)
{
string temp = null;
Try
{
String strURL = "http://weather.news.sina.com.cn/cgi-bin/figureWeather/search.cgi";
HttpWebRequest request;
Request = (HttpWebRequest) webrequest.create (strURL);
Request. Method= "POST"; Post Request method
Request. Contenttype= "application/x-www-form-urlencoded"; Content Type
String paraurlcoded = System.Web.HttpUtility.UrlEncode ("city"); Parameters are encoded by URL
paraurlcoded = paraurlcoded + "=" + System.Web.HttpUtility.UrlEncode (city, System.Text.Encoding.GetEncoding ("GB2312") );
Byte[] payload;
Payload = System.Text.Encoding.GetEncoding ("GB2312"). GetBytes (paraurlcoded); Converts a URL-encoded string to a byte
Request. ContentLength = payload. Length; Set the contentlength of the request
Stream writer = Request. GetRequestStream (); Get Request Flow
Writer. Write (payload,0,payload. Length); Write request parameters to stream
Writer. Close (); Close Request Flow
HttpWebResponse response;
Response = (HttpWebResponse) request. GetResponse (); Get response Flow
Stream s;
s = Response. GetResponseStream ();
StreamReader objreader = new StreamReader (s,system.text.encoding.getencoding ("GB2312"));
String HTML = "";
String sline = "";
int i = 0;
while (Sline!=null)
{
i++;
sline = objReader.ReadLine ();
if (sline!=null)
HTML + sline;
}
html = HTML. Replace ("<", "<");
html = HTML. Replace (">", ">");
int start,stop;
Start = HTML. IndexOf ("Stop = HTML. IndexOf ("<td background=http://image2.sina.com.cn/dy/weather/images", start);
temp = HTML. Substring (start, Stop-start);
}
catch (Exception x)
{
}
return temp;
}
}