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How to get a value from a javascript file to c#?

I'm using ASP.NET to make a website for a hotel and at this point to show the hotel rooms I've created a javacript file to generate div's, now I want to get the value of the room number that by clicking "learn more "transfer the value of the number of the room to the other page
I already tried to use cookies but it does not work
here's the js file that generates the div:
$(document).ready(function () {
$.get('http://localhost/quartos.php', function (data) {
var results = JSON.parse(data);
console.log(results);
for (i = 0; i < results.length; i++) {
var div = "<div class='col-sm col-md-6' height='600px' width='400px'><div class='room'><a href='' class='img d-flex justify-content-center align-items-center' style='background-image: url(images/Quartos/" + results[i].imagem + ");'></a><div class='text p-3 text-center><h3 class=' mb-3'><a href=''>Quarto " + results[i].descricao + "</a></h3 > <p><span class='price mr-20'>" + results[i].Preco_quarto + "\u20AC</span><asp:Label ID='Label1' runat='server' Text='ç aop'></asp:Label><span class='per'> por noite</span></p> <ul class='list'><li><span>Max:</span>" + results[i].Lotacao_Maxima + " Pessoas</li><li><span>Vista:</span>" + results[i].Vista + "</li></ul><hr><p class='pt-1'><button class='btn btn-primary' runat='server' onserverclick='btn_quartos'>Ver Detalhes<span class='icon-long-arrow-right'></button></span></p></div></div></div>";
document.cookie = "CookieName=" + results[i].Num_Quarto + ";";
$("#quartos").append(div);
}
});
});
and the cs of the "next" page:
protected void Page_Load(object sender, EventArgs e)
{
string num_quarto = Request.Cookies["CookieName"].Value.ToString();
}

You're overwriting the cookie to something new each time in the for loop, so the cookie is always going to hold the last result in results, despite what they select.
Although, using a cookie to pass info from one page to another isn't an ideal way to do what you want anyway.
A better way would be to make your "learn more" page able to accept a room number as a query string value.
Example: http://localhost/learnmore.php?cuarto=123
Then that looks up the room information and renders the information into the html.
In doing that, you can simplify the link in your div element to point to learmore.php?cuarto="+results[i].Num_Quarto and not have to repurpose the cookie functionality for a behavior it's not really meant for.

Search for RSS Feeds on Google

I hope I am not just chasing a red herring here. I have seen some websites that you are able to search for RSS feeds by typing in some sort of term like "Technology news" and it would return a number of different feeds that you can chose from.
Most look to be where they are just searching their own curated database which is all fine and dandy, however there is one that looks like it uses Google to search for them. http://ctrlq.org/rss/
Does anyone know how this could be done and point me in the right direction to learn how it is done as it is bugging the life out of me? I have done a lot of searching but most seem to point to the depreciated Google Feed API that no longer works or using Google Alerts to create an RSS Feed which I am not wanting to do.
Ideally I would like to do this in C# so that I can easily deal with the results and save the relevant selected option in a database.
It also doesn't need to be Google that it is done in, if there are other options that are available then great :)
Cheers.

I was kinda intrigue by your question and this is what I've find out. First of all I went to the site http://ctrlq.org/rss/ and checked what is done after click on Search button:
function findfeeds() {
var q = $.trim($('#feedQuery').val());
if(q == "") {
resetfeeds();
return false;
}
$('#pleasewait').show();
google.feeds.findFeeds(q, function(result) {
if (!result.error) {
var html = '';
for (var i = 0; i < result.entries.length; i++) {
var entry = result.entries[i];
feedList[i] = entry.url;
var count = i+1;
html += '<div id="feed-' + i + '">';
html += ' <h3><img src="//s2.googleusercontent.com/s2/favicons?domain=' + entry.link + '"/> <a target="_blank" href="' + entry.link + '">' + removeHTMLTags(entry.title) + '</a></h3>';
html += ' <p class="snippet">' + removeHTMLTags(entry.contentSnippet) + '</p>';
html += ' <p class="feedURL">';
html += 'RSS Feed ⋅ ';
html += ' <span class="showhide" rel="' + i + '">Preview Feed</span></p>';
html += ' <div id="feedcontent-' + i + '"></div>';
html += '</div>';
}
$("#results").fadeOut('slow', function() {
$('html, body').animate({scrollTop:0}, 'slow');
$("#results").empty();
$("#results").append(html);
$("#results").show();
});
}
$('#pleasewait').hide();
});
return false;
}
This is the function called after click. I noticed it uses something named 'google.feeds.findFeeds' so a bit of searching and voilà: https://developers.google.com/feed/v1/devguide#optional. There is a google api which provides functionality for searching and browsing public rss feeds :) The site provides examples of use so you can read more there. I hope this covers all of your doubts ;)

Ajax autocomplete extender not working in asp.net c#

I read many posts regarding the issue, but couldnt locate my mistake. Can anybody please help
Ajax autocomplete extender is not working
aspx.cs file
[System.Web.Services.WebMethod]
[System.Web.Script.Services.ScriptMethod]
public static List<string> getMemberInfo1(string prefixText)
{
List<string> firstName = new List<string>();
DataTable table = new DataTable();
table = admObj.getMemberInfo(prefixText);
for (int i = 0; i < table.Rows.Count; i++)
{
firstName.Add(table.Rows[i][2].ToString() + " - " + table.Rows[i][0].ToString() + " " + table.Rows[i][1].ToString());
}
return firstName;
}
aspx file
<asp:TextBox ID="ReferralIdTextBox" runat="server" Width="200px"
AutoCompleteType="DisplayName" AutoPostBack="True" ></asp:TextBox>
<asp:AutoCompleteExtender ID="ReferralIdTextBox_AutoCompleteExtender"
runat="server" Enabled="True"
TargetControlID="ReferralIdTextBox"
ServiceMethod="getMemberInfo1">
</asp:AutoCompleteExtender>
If I copy paste the same code in a new file, it works fine there.
Has is got to anything with the rest of the functions on page?

I think there are two or three things missing. You have not mentioned service path in your code. Another thing is you need to add script manager for this.
So, Please go through following link and put missing things.
http://www.codeproject.com/Articles/201099/AutoComplete-With-DataBase-and-AjaxControlToolkit

c#.net postback of form not keeping 1 value

Having a strange problem regarding the postback of a form I've created. The answer will probably be really simple, but I can't seem to see it.
I have a form that a user can fill in if the page a video is on, isn't working. It pre-populates fields based on the current video selected, and allows the user to fill in other fields, and send the email to me for support.
The problem
The fields are pre-populated correctly, but one of the fields 'Page', although pre-populated correctly, doesn't pass the value to the button submit method.
the clientside code
(includes some mootools javascript, this works)
<asp:Panel ID="pnlVideoProblem" runat="server" Visible="false">
<h2>Report a video/learning tool issue</h2>
<div class="keyline"></div>
<fieldset class="emailform">
<ul>
<li><label>Name <span class="error">*</span></label><asp:TextBox ID="txtVideoName" runat="server" MaxLength="60"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator33" runat="server" CssClass="error" ControlToValidate="txtVideoName" ErrorMessage="Required"></asp:RequiredFieldValidator></li>
<li><label>Email <span class="error">*</span></label><asp:TextBox ID="txtVideoEmail" runat="server" MaxLength="100"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator35" runat="server" CssClass="error" ControlToValidate="txtVideoEmail" ErrorMessage="Required"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator7" runat="server" ControlToValidate="txtVideoEmail" Text="Invalid email" ErrorMessage="Email address is not in the correct format" ValidationExpression="\w+([-+.']\w+)*#\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator></li>
<li><label>OTHER FIELD</label><asp:TextBox ID="txtOtherField" runat="server" MaxLength="10"></asp:TextBox></li>
<li><label>Video ID</label><asp:TextBox ID="txtVideoID" runat="server" ReadOnly="true"></asp:TextBox></li>
<li><label>Browser/Version </label><asp:TextBox ID="txtVideoBrowser" runat="server" MaxLength="100"></asp:TextBox></li>
<li><label>Flash Version </label><asp:TextBox ID="txtFlashVersion" runat="server"></asp:TextBox></li>
<li><label>Page </label><asp:TextBox ID="txtVideoPage" runat="server"></asp:TextBox></li>
<li><label>Visible error messages </label><asp:TextBox ID="txtVisError" runat="server" TextMode="MultiLine" Rows="6" MaxLength="4000"></asp:TextBox></li>
</ul>
<asp:Button ID="btnSubmitVideoIssue" runat="server" CssClass="subbutton" Text="Submit report" OnClick="btnSubmitVideoIssue_Click" />
</fieldset>
<script type="text/javascript">
window.addEvent('domready', function () {
document.id('<%= txtVideoBrowser.ClientID %>').set('value', Browser.Platform.name + ", " + Browser.name + " " + Browser.version);
document.id('<%= txtFlashVersion.ClientID %>').set('value', Browser.Plugins.Flash.version + "." + Browser.Plugins.Flash.build);
});
</script>
</asp:Panel>
the page-behind code for the button
(there is no reseting of the values on postback)
protected void btnSubmitVideoIssue_Click(object sender, EventArgs e)
{
if (CheckEmptyCaptcha() == false)
{
//this field is hidden in css and empty. if it has been filled in, then an automated way of entering has been used.
//ignore and send no email.
}
else
{
StringBuilder sbMessage = new StringBuilder();
emailForm = new MailMessage();
sbMessage.Append("Name : " + txtVideoName.Text.Trim() + "<br>");
sbMessage.Append("Email : " + txtVideoEmail.Text.Trim() + "<br>");
sbMessage.Append("Other Field : " + txtOtherField.Text.Trim() + "<br>");
sbMessage.Append("Video ID : " + txtVideoID.Text.Trim() + "<br>");
sbMessage.Append("Browser : " + txtVideoBrowser.Text.Trim() + "<br>");
sbMessage.Append("Flash Version : " + txtFlashVersion.Text.Trim() + "<br>");
sbMessage.Append("Visible error messages : " + txtVisError.Text.Trim() + "<br>");
sbMessage.Append("Url referrer : " + txtVideoPage.Text.Trim()+"<br>");
sbMessage.Append("Browser : " + Request.UserAgent + "<br>");
if (txtVideoBrowser.Text.Contains("ie 6"))
{
sbMessage.Append("<strong>Browser note</strong> : The PC that made this request looks like it was using Internet Explorer 6, although videos work in IE6, the browser isn't stable software, and therefore Javascript errors may occur preventing the viewing of the page/video/learning tool how it was intended. Recommend that the user upgrades their browsers to the latest version of IE.<br>");
}
Double flashver = 0.0;
if(Double.TryParse(txtFlashVersion.Text, out flashver))
{
if(flashver < 9.0)
{
sbMessage.Append("<strong>Flash version note</strong> : The PC that made this request is currently using flash version "+flashver+". Flash version 9 or greater is required to view videos. Recommend user upgrades their flash version by visiting http://get.adobe.com/flashplayer<br>");
}
}
else
{
sbMessage.Append("<strong>Flash version note</strong> : It doesn't look like flash is installed on the PC that made this request. Flash is required to view videos . Recommend user installs flash by visiting http://get.adobe.com/flashplayer<br>");
}
emailForm.To.Add(new MailAddress("admin#test.com"));
emailForm.From = new MailAddress(txtVideoEmail.Text.Trim(), txtVideoName.Text.Trim());
emailForm.Subject = "[ERROR] - [VIDEO ISSUE] from " + txtVideoName.Text.Trim();
emailForm.Body = sbMessage.ToString();
emailForm.IsBodyHtml = true;
bool sendSuccess = false;
try
{
SmtpClient smtp = new SmtpClient();
smtp.Send(emailForm);
sendSuccess = true;
}
catch
{
pnlVideoProblem.Visible = false;
pnlFailure.Visible = true;
ltlFailure.Text = "There was a problem sending your feedback, please go back and try again.";
}
finally
{
if (sendSuccess)
{
pnlVideoProblem.Visible = false;
pnlSuccess.Visible = true;
ltlSuccess.Text = "Thank you, your feedback has been sent. Click close to return to the website.";
}
else
{
pnlVideoProblem.Visible = false;
pnlFailure.Visible = true;
ltlFailure.Text = "There was a problem sending your feedback, please go back and try again.";
}
}
}
}
the form values
Name : User
Email : User#test.com
Other Field : aab123
Video Learning ID : 5546
Browser version : win, firefox 9
Flash version : 11.102
Page : https://www.awebsite.com/library/video/5546
Visible error messages : ewrwerwe
the resulting email
Name : User
Email : user#test.com
Other Field : aab123
Video ID : 5546
Browser : win, firefox 9
Flash Version : 11.102
Url referrer :
Visible error messages : ewrwerwe
Video ID and Page/Url Referrer are populated on (!IsPostBack)
(!IsPostBack)
pnlVideoProblem.Visible = true;
if (!String.IsNullOrEmpty(Request.QueryString["vid"]))
{
txtVideoID.Text = Request.QueryString["vid"];
}
if (!String.IsNullOrEmpty(Request.QueryString["other"]))
{
txtOtherField.Text = Request.QueryString["other"];
txtOtherField.ReadOnly = true;
}
txtVideoPage.Text = HttpUtility.UrlDecode(Request.QueryString["ref"]);
txtVideoPage.ReadOnly = true;
any ideas? I have a brick wall i can hit my head against based on how simple the answer is.

If TextBox's ReadOnly property is "true", postback data won't be
loaded e.g it essentially means TextBox being readonly from
server-side standpoint (client-side changes will be ignored).
If you want TB to be readonly in the "old manner" use:
TextBox1.Attributes.Add("readonly","readonly")
as that won't affect server-side functionality.
From: http://aspadvice.com/blogs/joteke/archive/2006/04/12/16409.aspx
See also: http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.textbox.readonly.aspx

Solved :)
After a tiny ray of sunshine i remembered I had this
RewriteRule ^/pop/(.*[^/])/report-issue/([a-fA-F0-9]{32})-([0-9]+)$ /pop.aspx?tp=$1&pg=report-issue&vid=$2&other=$3&ref=%{HTTP_REFERER} [L]
as a rewrite rule, which then led me to take a closer look at whether the form fieldswere actually was wrapped in a postback. Lo-and-behold, they werent.
I've wrapped a !postback around the querystring variable reading section and it works!
brick wall needs to be very thick.
thanks to those that tried to help!

how to know which browser my .net application is running on?

I want to apply different css on different browsers.
I want to run one css when it is safari and second for all others.
How can I detect that and apply css according to that?

You can use CSS browser selectors for this. There are different solutions available for this on the net.
For example:
CSS Browser Selector
The CSS Browser Selector is a small JavaScript library which allows you to include different cascading style sheets (CSS) for each browser.
An example:
<style type="text/css">
.ie .example {
background-color: yellow
}
.ie7 .example {
background-color: orange
}
.opera .example {
background-color: green
}
.webkit .example {
background-color: black
</style>
If you Google for "different css per browser" you'll find other solutions as well, but most of them boil down to similar solutions.
Another way would be to detect the browser type and capabilities in ASP.NET so that you can render the appropriate HTML / CSS / ...etc. You can find more information on that topic here:
http://msdn.microsoft.com/en-us/library/3yekbd5b.aspx
For example:
private void Button1_Click(object sender, System.EventArgs e)
{
System.Web.HttpBrowserCapabilities browser = Request.Browser;
string s = "Browser Capabilities\n"
+ "Type = " + browser.Type + "\n"
+ "Name = " + browser.Browser + "\n"
+ "Version = " + browser.Version + "\n"
+ "Major Version = " + browser.MajorVersion + "\n"
+ "Minor Version = " + browser.MinorVersion + "\n"
+ "Platform = " + browser.Platform;
TextBox1.Text = s;
}
The Browser property of the Request returns a HttpBrowserCapabilities object. It contains information on the capabilities of the browser that is running on the client.
http://msdn.microsoft.com/en-us/library/system.web.httpbrowsercapabilities.aspx

You can examine the UserAgent property of the Request object.
Inside the page head tag
<%# Request.UserAgent.ToLower().Contains("safari") ?
"<link rel='stylesheet' type='text/css' href='safari.css' />" :
"<link rel='stylesheet' type='text/css' href='other.css' />" %>

Use below things....in your control...and you can set different style...to asp.net textbox control for different browser.
<asp:TextBox ID="TestTextBox" runat="server" ie:Text="You are in Internet explorer." mozilla:Text="You are in Firefox." Text="You are in other browser." ie:CssClass="IEStyle" mozilla:CssClass="FFStyle" CssClass="DefaultStyle" />

using Using the Request.Browser you can determine the browser user is using your

You can check it from javascript like:
if (navigator.appName == 'Microsoft Internet Explorer') {
var fileref = document.createElement("link")
fileref.setAttribute("rel", "stylesheet")
fileref.setAttribute("type", "text/css")
fileref.setAttribute("href", filename)
}