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Ich möchte einen Code in C# schreiben, um Werte auf HTML-Seite, die Textfelder enthält, und klicken Sie dann auf die Schaltfläche unten.POST mit Webclient und WebRequest funktioniert nicht
Wenn ich Seitenquelle anzeigen, gibt es zwei Attribute von Textbox, die Name und ID sind. Welche sollte beim Hochladen von Werten verwendet werden?
Ich versuchte mit Webclient und HTTP-Antwort, aber nichts funktioniert.
ich mit einem Demo ASP.Net-Anwendung gestartet vs 2010.I gegeben mit nicht zu dieser Seite melden Sie können diesen Code verwenden
Html ist
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head><title>
Log In
</title><link href="../Styles/Site.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form method="post" action="Login.aspx" onsubmit="javascript:return WebForm_OnSubmit();" id="ctl01">
<div class="aspNetHidden">
<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" />
<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" />
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwUJMTM4OTQwMDM1ZBgBBR5fX0NvbnRyb2xzUmVxdWlyZVBvc3RCYWNrS2V5X18WAQUmY3RsMDAkTWFpbkNvbnRlbnQkTG9naW5Vc2VyJFJlbWVtYmVyTWXIWDJ/V4XPecqwQe85aLVZC5vuxVoEv8dHC/Mo9pwQZw==" />
</div>
<script type="text/javascript">
//<![CDATA[
var theForm = document.forms['ctl01'];
if (!theForm) {
theForm = document.ctl01;
}
function __doPostBack(eventTarget, eventArgument) {
if (!theForm.onsubmit || (theForm.onsubmit() != false)) {
theForm.__EVENTTARGET.value = eventTarget;
theForm.__EVENTARGUMENT.value = eventArgument;
theForm.submit();
}
}
//]]>
</script>
<script src="/WebSite1/WebResource.axd?d=M5W_658FhJm5n8t9pSFvKuIXRL5Jz7-D_eS0HTIT8JulfjzpAVV_rJb8XF2y3yXBzfewu3sSKDiVdWxirFJDeFUBJp7DwWkz9bRlwYT_VkQ1&t=634271460710781250" type="text/javascript"></script>
<script src="/WebSite1/WebResource.axd?d=d41DICiQepBPG6K5sYiG4w6-5Zow9401xGbcRJ_YjjKKZBzgTrTC_CdIv9aUM1wPVO22HhAV6begkxuIulwZFj_WKMwGJvOFNsnT-yQ7hO41&t=634271460710781250" type="text/javascript"></script>
<script src="/WebSite1/WebResource.axd?d=XnFE4lWLk9gTnM0_06V_76Tt3DRk8edc94bUtBQAZMiY1p3YHp03awb6v8Nz44Zo-gdy2g6LBBsaWMuUeNLboK5ebvvrsIwawVtCZfaujlw1&t=634271460710781250" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
function WebForm_OnSubmit() {
if (typeof(ValidatorOnSubmit) == "function" && ValidatorOnSubmit() == false) return false;
return true;
}
//]]>
</script>
<div class="aspNetHidden">
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEWBQKA+oZWAsXK+OQPAtDNs5YCApW7jtAPAqfAqeMFgx5T3T+5v78wSO8pWO0ORp/qKya1HTwMXoYN8GOYDSo=" />
</div>
<div class="page">
<div class="header">
<div class="title">
<h1>
My ASP.NET Application
</h1>
</div>
<div class="loginDisplay">
[ <a href="Login.aspx" id="HeadLoginView_HeadLoginStatus">Log In</a> ]
</div>
<div class="clear hideSkiplink">
<a href="#NavigationMenu_SkipLink"><img alt="Skip Navigation Links" src="/WebSite1/WebResource.axd?d=kJ6t3tHV3cLpBZWByP4-yIKJkygtz3ErE4Tpn7tMIEa4uB2lty0z6Toys6myTCJiM7h32lxUN9nyuc9K6T9RIvRlxGRQvIJjoE2vXGjX6Bw1&t=634271460710781250" width="0" height="0" style="border-width:0px;" /></a><div class="menu" id="NavigationMenu">
<ul class="level1">
<li><a class="level1" href="../Default.aspx">Home</a></li><li><a class="level1" href="../About.aspx">About</a></li>
</ul>
</div><a id="NavigationMenu_SkipLink"></a>
</div>
</div>
<div class="main">
<h2> Log In </h2>
<p>
Please enter your username and password.
<a id="MainContent_RegisterHyperLink" href="Register.aspx?ReturnUrl=">Register</a> if you don't have an account.
</p>
<span class="failureNotification">
</span>
<div id="MainContent_LoginUser_LoginUserValidationSummary" class="failureNotification" style="display:none;">
</div>
<div class="accountInfo">
<fieldset class="login">
<legend>Account Information</legend>
<p>
<label for="MainContent_LoginUser_UserName" id="MainContent_LoginUser_UserNameLabel">Username:</label>
<input name="ctl00$MainContent$LoginUser$UserName" type="text" id="MainContent_LoginUser_UserName" class="textEntry" />
<span id="MainContent_LoginUser_UserNameRequired" title="User Name is required." class="failureNotification" style="visibility:hidden;">*</span>
</p>
<p>
<label for="MainContent_LoginUser_Password" id="MainContent_LoginUser_PasswordLabel">Password:</label>
<input name="ctl00$MainContent$LoginUser$Password" type="password" id="MainContent_LoginUser_Password" class="passwordEntry" />
<span id="MainContent_LoginUser_PasswordRequired" title="Password is required." class="failureNotification" style="visibility:hidden;">*</span>
</p>
<p>
<input id="MainContent_LoginUser_RememberMe" type="checkbox" name="ctl00$MainContent$LoginUser$RememberMe" />
<label for="MainContent_LoginUser_RememberMe" id="MainContent_LoginUser_RememberMeLabel" class="inline">Keep me logged in</label>
</p>
</fieldset>
<p class="submitButton">
<input type="submit" name="ctl00$MainContent$LoginUser$LoginButton" value="Log In" onclick="javascript:WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions("ctl00$MainContent$LoginUser$LoginButton", "", true, "LoginUserValidationGroup", "", false, false))" id="MainContent_LoginUser_LoginButton" />
</p>
</div>
</div>
<div class="clear">
</div>
</div>
<div class="footer">
</div>
<script type="text/javascript">
//<![CDATA[
var Page_ValidationSummaries = new Array(document.getElementById("MainContent_LoginUser_LoginUserValidationSummary"));
var Page_Validators = new Array(document.getElementById("MainContent_LoginUser_UserNameRequired"), document.getElementById("MainContent_LoginUser_PasswordRequired"));
//]]>
</script>
<script type="text/javascript">
//<![CDATA[
var MainContent_LoginUser_LoginUserValidationSummary = document.all ? document.all["MainContent_LoginUser_LoginUserValidationSummary"] : document.getElementById("MainContent_LoginUser_LoginUserValidationSummary");
MainContent_LoginUser_LoginUserValidationSummary.validationGroup = "LoginUserValidationGroup";
var MainContent_LoginUser_UserNameRequired = document.all ? document.all["MainContent_LoginUser_UserNameRequired"] : document.getElementById("MainContent_LoginUser_UserNameRequired");
MainContent_LoginUser_UserNameRequired.controltovalidate = "MainContent_LoginUser_UserName";
MainContent_LoginUser_UserNameRequired.errormessage = "User Name is required.";
MainContent_LoginUser_UserNameRequired.validationGroup = "LoginUserValidationGroup";
MainContent_LoginUser_UserNameRequired.evaluationfunction = "RequiredFieldValidatorEvaluateIsValid";
MainContent_LoginUser_UserNameRequired.initialvalue = "";
var MainContent_LoginUser_PasswordRequired = document.all ? document.all["MainContent_LoginUser_PasswordRequired"] : document.getElementById("MainContent_LoginUser_PasswordRequired");
MainContent_LoginUser_PasswordRequired.controltovalidate = "MainContent_LoginUser_Password";
MainContent_LoginUser_PasswordRequired.errormessage = "Password is required.";
MainContent_LoginUser_PasswordRequired.validationGroup = "LoginUserValidationGroup";
MainContent_LoginUser_PasswordRequired.evaluationfunction = "RequiredFieldValidatorEvaluateIsValid";
MainContent_LoginUser_PasswordRequired.initialvalue = "";
//]]>
</script>
<script type='text/javascript'>new Sys.WebForms.Menu({ element: 'NavigationMenu', disappearAfter: 500, orientation: 'horizontal', tabIndex: 0, disabled: false });</script>
<script type="text/javascript">
//<![CDATA[
var Page_ValidationActive = false;
if (typeof(ValidatorOnLoad) == "function") {
ValidatorOnLoad();
}
function ValidatorOnSubmit() {
if (Page_ValidationActive) {
return ValidatorCommonOnSubmit();
}
else {
return true;
}
}
//]]>
</script>
</form>
</body>
var strId = UserName.Text;
var strName = UserPass.Text;
var encoding = new ASCIIEncoding();
var postData = "ctl00$MainContent$LoginUser$UserName=" + strId;
postData += ("ctl00$MainContent$LoginUser$Password=" + strName);
byte[] data = encoding.GetBytes(postData);
var myRequest = (HttpWebRequest)WebRequest.Create("http://localhost:6226/WebSite1/Account/Login.aspx");
myRequest.Method = "POST";
myRequest.ContentType = "application/x-www-form-urlencoded";
myRequest.ContentLength = data.Length;
var newStream = myRequest.GetRequestStream();
newStream.Write(data, 0, data.Length);
newStream.Close();
var response = myRequest.GetResponse();
var responseStream = response.GetResponseStream();
var responseReader = new StreamReader(responseStream);
textBox1.Text = responseReader.ReadToEnd();
Zeigen Sie uns das HTML-Formular – jgauffin
Hinzugefügt HTML bitte überprüfen Sie –
Asp.net bettet versteckte Steuerelemente in das Formular für die interne Statusverfolgung ein. Sie müssen den Wert dieser Felder sowie die Formularwerte angeben. Ich schlage vor, dass Sie Firefox + Firebug-Plugin verwenden, um zu schnüffeln, was der Browser postet, und dann im Code nachzuahmen. – feroze