Javascript file not loading in aspx ? ASP.NET C#

Question

I want this type of functionality in my project.

There are 3 files stylesheet.css, javascript.js and a html file.

I'm trying in Visual Studio 2010 ASP.NET C# but it is not working: the Javascript file is not loaded.

ASPX code:

<html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
        <link rel="stylesheet" href="StyleSheet.css" type="text/css" />
        <script type="text/javascript" src="JScript.js"></script>
    </head>
    <body>
        <form id="form1" runat="server">
            <div id="editor" contenteditable="true"></div>
        </form>
    </body>
</html>

StyleSheet.css:

body {
}

#editor {
    width: 400px;
    height: 100px;
    padding: 10px;
    background-color: #444;
    color: white;
    font-size: 14px;
    font-family: monospace;
    display:block;
}

.statement {
    color: orange;
}

JScript.js:

$("#editor").on("keydown keyup", function (e) {
if (e.keyCode == 32) {
    var text = $(this).text().replace(/[\s]+/g, " ").trim();
    var word = text.split(" ");
    var newHTML = "";

    $.each(word, function (index, value) {
        switch (value.toUpperCase()) {
            case "SELECT":
            case "FROM":
            case "WHERE":
            case "LIKE":
            case "BETWEEN":
            case "NOT LIKE":
            case "FALSE":
            case "NULL":
            case "FROM":
            case "TRUE":
            case "NOT IN":
                newHTML += "<span class='statement'>" + value + "&nbsp;</span>";
                break;
            default:
                newHTML += "<span class='other'>" + value + "&nbsp;</span>";
        }
    });
    $(this).html(newHTML);

    //// Set cursor postion to end of text
    var child = $(this).children();
    var range = document.createRange();
    var sel = window.getSelection();
    range.setStart(child[child.length - 1], 1);
    range.collapse(true);
    sel.removeAllRanges();
    sel.addRange(range);
    $(this)[0].focus();
}
});

JScript.js file is not working. Keyword color not changing but i provided the link its working fine.

How can i resolve this issue?

Have you checked console? Also you script file is using $ which means this file needs jQuery or subsets. Load them — Rajesh Dixit
– Rajesh Dixit, Commented Jun 14, 2016 at 9:53
What do you mean with the file not being loaded? Bad request? Wrong URL (404)? Errors in the console? I can't see you loading jQuery before using it... — emerson.marini
– emerson.marini, Commented Jun 14, 2016 at 9:54
@MelanciaUK no error ,i already tell you that color not changing just. — Hameed
– Hameed, Commented Jun 14, 2016 at 9:56
Bingo! You're not loading the jQuery library that you're trying to use. — emerson.marini
– emerson.marini, Commented Jun 14, 2016 at 9:58

emerson.marini · Accepted Answer · 2016-06-14 10:26:30Z

1

Like I suggested in the comments, you would benefit from some tutorials on how to work not just with jQuery, but also with HTML, CSS and Javascript. You're lacking some very basic knowledge to be able to work with the stack. I'm answering your question just to give you a headstart:

<head>
    <link rel="stylesheet" href="StyleSheet.css" type="text/css" />
    <!-- Loading the jQuery library before everything else. 
        Getting it from Google CDN, but you can have it locally. -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
    <!-- Loading your own Javascript file. -->
    <script type="text/javascript" src="JScript.js"></script>
</head>

Your Javascript code should be wrapped within a document ready event handler:

$(function () {
    // Your code goes here.
});

From what I understood from your code, you're trying to highlight some words when typing SQL script in the box. It's working just fine: Demo

More info:

jQuery Learning Center

Google Hosted Libraries

edited Jun 14, 2016 at 10:26

answered Jun 14, 2016 at 10:15

emerson.marini

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6 Comments

Hameed Over a year ago

Thanks a'lot for reply @MelancialUK.I follow your instructions but stills not working .There is no error in console but still not working.Color not changing

Hameed Over a year ago

Sorry to say but i can't understand your this instruction Your Javascript code should be wrapped within a document ready event handler:

emerson.marini Over a year ago

Have a read on the jQuery Learning Center. I can't just write an answer here explaining jQuery bit by bit. It's not the purpose of this forum I'm afraid.

emerson.marini Over a year ago

I've updated the answer by adding a demo with your code. It's working just fine after loading the libraries correctly.

emerson.marini Over a year ago

Here's a better way of doing it: jsfiddle.net/MelanciaUK/kut46oq2/2. It will highlight your text when the page is loaded aswell as while you're typing.

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