Получить данные с сайта - C#

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Формулировка задачи:

Не получается получить данные с сайта. В ответ на HttpWebRequest приходит
Листинг программы 
  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  2. <html >
  3. <head><title>vicess</title>
  4. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  5. <META HTTP-EQUIV="Cache-Control" CONTENT="max-age=0">
  6. <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">
  7. <META http-equiv="expires" content="0">
  8. <META HTTP-EQUIV="Expires" CONTENT="Tue, 01 Jan 1980 1:00:00 GMT">
  9. <META HTTP-EQUIV="Pragma" CONTENT="no-cache">
  10.  
  11. <link rel="STYLESHEET" type="text/css" href="style2.css">
  12. <script language="JavaScript">
  13.  
  14. //Start phpRequest Object
  15. var autho='';
  16. var SERVER_URL = "server.php";
  17. //Start phpRequest Object
  18.  
  19. var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
  20.  
  21. function encode64(input) {
  22.  
  23.    var output = "";
  24.    var chr1, chr2, chr3;
  25.    var enc1, enc2, enc3, enc4;
  26.    var i = 0;
  27. input=input.toString();
  28. input = utf8_encode(input);
  29.    do {
  30.       chr1 = input.charCodeAt(i++);
  31.       chr2 = input.charCodeAt(i++);
  32.       chr3 = input.charCodeAt(i++);
  33.  
  34.       enc1 = chr1 >> 2;
  35.       enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
  36.       enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
  37.       enc4 = chr3 & 63;
  38.  
  39.       if (isNaN(chr2)) {
  40.          enc3 = enc4 = 64;
  41.       } else if (isNaN(chr3)) {
  42.          enc4 = 64;
  43.       }
  44.  
  45.       output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + 
  46.          keyStr.charAt(enc3) + keyStr.charAt(enc4);
  47.    } while (i < input.length);
  48.    
  49.    return output;
  50. }
  51.  
  52. function decode64(input) {
  53.    var output = "";
  54.    var chr1, chr2, chr3;
  55.    var enc1, enc2, enc3, enc4;
  56.    var i = 0;
  57.  
  58. if(input==''){return '';}
  59.    // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
  60.    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
  61.  
  62.    do {
  63.       enc1 = keyStr.indexOf(input.charAt(i++));
  64.       enc2 = keyStr.indexOf(input.charAt(i++));
  65.       enc3 = keyStr.indexOf(input.charAt(i++));
  66.       enc4 = keyStr.indexOf(input.charAt(i++));
  67.  
  68.       chr1 = (enc1 << 2) | (enc2 >> 4);
  69.       chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
  70.       chr3 = ((enc3 & 3) << 6) | enc4;
  71.  
  72.       output = output + String.fromCharCode(chr1);
  73.  
  74.       if (enc3 != 64) {
  75.          output = output + String.fromCharCode(chr2);
  76.       }
  77.       if (enc4 != 64) {
  78.          output = output + String.fromCharCode(chr3);
  79.       }
  80.    } while (i < input.length);
  81. output = utf8_decode(output);
  82.  
  83.    return output;
  84. }
  85.  
  86.  function utf8_encode (string) {
  87.         string = string.replace(/\r\n/g,"\n");
  88.         var utftext = "";
  89.  
  90.         for (var n = 0; n < string.length; n++) {
  91.  
  92.             var c = string.charCodeAt(n);
  93.  
  94.             if (c < 128) {
  95.                 utftext += String.fromCharCode(c);
  96.             }
  97.             else if((c > 127) && (c < 2048)) {
  98.                 utftext += String.fromCharCode((c >> 6) | 192);
  99.                 utftext += String.fromCharCode((c & 63) | 128);
  100.             }
  101.             else {
  102.                 utftext += String.fromCharCode((c >> 12) | 224);
  103.                 utftext += String.fromCharCode(((c >> 6) & 63) | 128);
  104.                 utftext += String.fromCharCode((c & 63) | 128);
  105.             }
  106.  
  107.         }
  108.  
  109.         return utftext;
  110.     }
  111.  
  112.     // private method for UTF-8 decoding
  113.     function utf8_decode (utftext) {
  114.         var string = "";
  115.         var i = 0;
  116.         var c = c1 = c2 = 0;
  117.  
  118.         while ( i < utftext.length ) {
  119.  
  120.             c = utftext.charCodeAt(i);
  121.  
  122.             if (c < 128) {
  123.                 string += String.fromCharCode(c);
  124.                 i++;
  125.             }
  126.             else if((c > 191) && (c < 224)) {
  127.                 c2 = utftext.charCodeAt(i+1);
  128.                 string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
  129.                 i += 2;
  130.             }
  131.             else {
  132.                 c2 = utftext.charCodeAt(i+1);
  133.                 c3 = utftext.charCodeAt(i+2);
  134.                 string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
  135.                 i += 3;
  136.             }
  137.  
  138.         }
  139.  
  140.         return string;
  141.     }
  142.  
  143. function phpRequest() {
  144.     this.parms = new Array();
  145.     this.parmsIndex = 0;
  146.     this.execute = phpRequestExecute;
  147.     this.execute_post=phpRequestExecutePOST;
  148.     this.add = phpRequestAdd;
  149.     this.server = SERVER_URL;
  150. }
  151.  
  152. function phpRequestAdd(name,value) {
  153.     this.parms[this.parmsIndex] = new Pair(name,value);
  154.     this.parmsIndex++;
  155. }
  156.  
  157. function phpRequestExecute() {
  158.     var targetURL = this.server;
  159.  
  160.     if(window.XMLHttpRequest) {
  161.         try {
  162.             httpRequest = new XMLHttpRequest();
  163.         } catch(e) {
  164.             httpRequest = false;
  165.         }
  166.     // branch for IE/Windows ActiveX version
  167.     } else if(window.ActiveXObject) {
  168.         try {
  169.             httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
  170.         } catch(e) {
  171.             try {
  172.                 httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
  173.             } catch(e) {
  174.                 httpRequest = false;
  175.             }
  176.         }
  177.     }
  178.     
  179.     try {
  180.  
  181.         var txt = '?1';
  182.  
  183.     //  var txt = "?1&autho="+autho;
  184.         for(var ix in this.parms) {
  185.     //  var tmp_param=this.parms[ix].value;
  186.         
  187.     //  if(this.parms[ix].value != ''){tmp_param = encode64(tmp_param);txt = txt+'&'+this.parms[ix].name+'='+tmp_param;}else{
  188.     //      txt = txt+'&'+this.parms[ix].name+'='+tmp_param;}
  189.         
  190.         txt = txt+'&'+this.parms[ix].name+'='+this.parms[ix].value;
  191.         }
  192.         
  193.         //Two options here, only uncomment one of these
  194.         //GET REQUEST
  195.         httpRequest.open("GET", targetURL+txt, false, null, null);  
  196.  
  197.         //POST REQUEST EXAMPLE
  198.         /*
  199.         //httpRequest.open("POST", targetURL+txt, false, null, null);   
  200.         //httpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
  201.         */
  202.         httpRequest.send('');
  203.     }catch (e){
  204.         alert('An error has occured calling the external site: '+e+targetURL+txt);
  205.         return false;
  206.     } 
  207.  
  208.     switch(httpRequest.readyState) {
  209.         case 1,2,3:
  210.             alert('Bad Ready State: '+httpRequest.status);
  211.             return false;
  212.         break;
  213.         case 4:
  214.             if(httpRequest.status !=200) {
  215.                 alert('The server respond with a bad status code: '+httpRequest.status);
  216.                 return false;
  217.             } else {
  218.                 var response = httpRequest.responseText;
  219.             }
  220.         break;
  221.     }
  222.     
  223.     return response;
  224. }
  225.  
  226. function phpRequestExecutePOST() {
  227.     var targetURL = this.server;
  228.  
  229.     if(window.XMLHttpRequest) {
  230.         try {
  231.             httpRequest = new XMLHttpRequest();
  232.         } catch(e) {
  233.             httpRequest = false;
  234.         }
  235.     // branch for IE/Windows ActiveX version
  236.     } else if(window.ActiveXObject) {
  237.         try {
  238.             httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
  239.         } catch(e) {
  240.             try {
  241.                 httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
  242.             } catch(e) {
  243.                 httpRequest = false;
  244.             }
  245.         }
  246.     }
  247.     
  248.     try {
  249.         var txt = "autho="+autho+"&uid="+encode64(uid);
  250.  
  251.     //  var txt = "?1&autho="+autho;
  252.         for(var ix in this.parms) {
  253.     //  var tmp_param=this.parms[ix].value;
  254.         
  255.     //  if(this.parms[ix].value != ''){tmp_param = encode64(tmp_param);txt = txt+'&'+this.parms[ix].name+'='+tmp_param;}else{
  256.     //      txt = txt+'&'+this.parms[ix].name+'='+tmp_param;}
  257.         
  258.         txt = txt+'&'+this.parms[ix].name+'='+this.parms[ix].value;
  259.         }
  260.         
  261.         //Two options here, only uncomment one of these
  262.         //GET REQUEST
  263.         //httpRequest.open("GET", targetURL, true, null, null); 
  264.  
  265.         //POST REQUEST EXAMPLE
  266.         
  267.         httpRequest.open("POST", targetURL,false);  
  268.         httpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
  269.         httpRequest.setRequestHeader("Content-length", txt.length);
  270.         httpRequest.setRequestHeader("Connection", "close");
  271.  
  272.         httpRequest.send(txt);
  273.     }catch (e){
  274.         alert('An error has occured calling the external site: '+e+targetURL+txt);
  275.         return false;
  276.     } 
  277.  
  278.     switch(httpRequest.readyState) {
  279.         case 1,2,3:
  280.             alert('Bad Ready State: '+httpRequest.status);
  281.             return false;
  282.         break;
  283.         case 4:
  284.             if(httpRequest.status !=200) {
  285.                 alert('The server respond with a bad status code: '+httpRequest.status);
  286.                 return false;
  287.             } else {
  288.                 var response = httpRequest.responseText;
  289.             }
  290.         break;
  291.     }
  292.     
  293.     return response;
  294. }
  295.  
  296. function Pair(name,value) {
  297. if(value != ''){this.value = encode64(value);}else{
  298.             this.value = value;}
  299.  
  300.     this.name = name;
  301.     //this.value = value;
  302. }
  303. function checkEan(eanCode) {
  304.         // Check if only digits
  305.         var ValidChars = "0123456789";
  306.         for (i = 0; i < eanCode.length; i++) {
  307.             digit = eanCode.charAt(i);
  308.             if (ValidChars.indexOf(digit) == -1) {
  309.                 return false;
  310.             }
  311.         }
  312.      
  313.         // Add five 0 if the code has only 8 digits
  314.         if (eanCode.length == 8 ) {
  315.             eanCode = "00000" + eanCode;
  316.         }
  317.         // Check for 13 digits otherwise
  318.         else if (eanCode.length != 13) {
  319.             return false;
  320.         }
  321.      
  322.         // Get the check number
  323.         originalCheck = eanCode.substring(eanCode.length - 1);
  324.         eanCode = eanCode.substring(0, eanCode.length - 1);
  325.      
  326.         // Add even numbers together
  327.         even = Number(eanCode.charAt(1)) +
  328.                Number(eanCode.charAt(3)) +
  329.                Number(eanCode.charAt(5)) +
  330.                Number(eanCode.charAt(7)) +
  331.                Number(eanCode.charAt(9)) +
  332.                Number(eanCode.charAt(11));
  333.         // Multiply this result by 3
  334.         even *= 3;
  335.      
  336.         // Add odd numbers together
  337.         odd = Number(eanCode.charAt(0)) +
  338.               Number(eanCode.charAt(2)) +
  339.               Number(eanCode.charAt(4)) +
  340.               Number(eanCode.charAt(6)) +
  341.               Number(eanCode.charAt(8)) +
  342.               Number(eanCode.charAt(10));
  343.      
  344.         // Add two totals together
  345.         total = even + odd;
  346.      
  347.         // Calculate the checksum
  348.         // Divide total by 10 and store the remainder
  349.         checksum = total % 10;
  350.         // If result is not 0 then take away 10
  351.         if (checksum != 0) {
  352.             checksum = 10 - checksum;
  353.         }
  354.      
  355.         // Return the result
  356.         if (checksum != originalCheck) {
  357.             return false;
  358.         }
  359.      
  360.         return true;
  361.     }
  362.  
  363. function trim(s)
  364. {
  365.     var l=0; var r=s.length -1;
  366.     while(l < s.length && s[l] == ' ')
  367.         {   l++; }
  368.         while(r > l && s[r] == ' ')
  369.             {   r-=1;   }
  370.             return s.substring(l, r+1);
  371.             }
  372.  
  373. sekout=0;
  374.  
  375. function timeout()
  376. {
  377.  
  378. setTimeout("timeout_();",2000);
  379.  
  380. }
  381.  
  382. function timeout_(){
  383.  
  384. load();
  385. setTimeout("timeout_();",2000000);
  386.  
  387. }
  388.  
  389. function load()
  390. {
  391. praca="204";
  392.  
  393. tmp_html='<table>';
  394. tmp_html2='<table>';
  395. tmp_html3='<table>';
  396. tmp_html4='<table>';
  397.  
  398. req = new phpRequest();
  399.     req.add('praca',praca);
  400.     
  401.         var response = req.execute();
  402.  
  403.     response=response.split('#');
  404.     i=0;
  405.     j=0;
  406.     while(response[i]!=''){
  407.     res=response[i].split('&');
  408.     
  409.     for(var tid=0; tid<res.length; tid++){if(res[tid] != ''){res[tid]=decode64(res[tid]);}}
  410. res[0]++;
  411. if(res[0]>10 && res[0]<20){
  412.     tmp_html+='<tr><td>'+res[1]+'</td><td>'+res[2]+'</td></tr>';
  413. }
  414. if(res[0]>20 && res[0]<30){
  415.     tmp_html2+='<tr><td>'+res[1]+'</td><td>'+res[2]+'</td></tr>';
  416. }
  417. if(res[0]>30 && res[0]<40){
  418.     tmp_html3+='<tr><td>'+res[1]+'</td><td>'+res[2]+'</td></tr>';
  419. }
  420. if(res[0]>40 && res[0]<50){
  421.     tmp_html4+='<tr><td>'+res[1]+'</td><td>'+res[2]+'</td></tr>';
  422. }
  423.  
  424.     j++;
  425.     i++;
  426.     }
  427.  
  428. document.getElementById('messageTree').innerHTML=tmp_html+'</table>';
  429. document.getElementById('messageTree2').innerHTML=tmp_html2+'</table>';
  430. document.getElementById('messageTree3').innerHTML=tmp_html3+'</table>';
  431. document.getElementById('messageTree4').innerHTML=tmp_html4+'</table>';
  432.  
  433. }
  434.  
  435. </script>
  436. </head>
  437. <body style="width: 1024px; background:black;-moz-transform:scale(0.65);-moz-transform-origin:0 0;" scroll="no" onload="timeout();" class="messageTreeBody"  align="center" >
  438.  
  439. <table width="100%" ><tr><td>
  440. <table ><td valign=top style="color:white;font-size:15px" id="messageTree">
  441.          </td>
  442. <td valign=top style="color:white;font-size:15px" id="messageTree2">
  443.          </td>
  444. <td valign=top style="color:white;font-size:15px" id="messageTree3">
  445.          </td>
  446. <td valign=top style="color:white;font-size:15px" id="messageTree4">
  447.          </td>
  448. <td valign=top style="color:white;font-size:15px" id="messageTree5">
  449.          </td></tr>
  450. </table>
  451.  
  452. </body></html>
Но нужных данных в таблице нет.

Решение задачи: «Получить данные с сайта»

textual
Листинг программы 
  1. WebBrowser webBrowser1 = new WebBrowser();
  2. webBrowser1.Navigate("URL");
  3. webBrowser1.ScriptErrorsSuppressed = true;
  4. while (webBrowser1.ReadyState != WebBrowserReadyState.Complete)
  5. {
  6.     Application.DoEvents();
  7. }
  8. string to_write = webBrowser1.DocumentText;
  9. FileStream afile = new FileStream("file_path", FileMode.OpenOrCreate);
  10. StreamWriter sw = new StreamWriter(afile);
  11. sw.Write(to_write);
  12. sw.Close();

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