JavaScript - Can't Access Object Of Javascript

Hi,
I want to access SQL database using javascript.

I am passing 1 value to the java script but I want to pass that value further to the SQL query as an where clause parameter to retrieve data.

If the value retrieves multiple or single data then how do i handle it.
Is it possible to use dataset in javascript?

Regards,
Anthony.

Hi

someone please let me know the way to access a smarty value with javascript?

my smarty value is = {$value.url}

i want to access it like

Code:

<script type="text/javascript">
function load()
{
	document.location = '{$value.url}';	
}
</script>

i tried with wrapping code with {literal} {/literal} but it isnt working. can some one correct this please

sorry for bad english

Thanks

Hello everybody, I am new in this forum (and I'm also new in web coding, but not in programming)...
This is the first problem I met: I can't understand how to acccess a property in this snippet:
Code:

function FGGE()
{
	this.totalExternals = 0;
	this.loadedExternals = 0;

	this.loadImage = function(image)
	{
		image.onload = function()
		{
			alert("Loaded 1: "+this.loadedExternals+"/"+this.totalExternals);
		};
		alert("Loaded 2: "+this.loadedExternals+"/"+this.totalExternals);
	};
}

Output is this:
Loaded 1: NaN/undefined
Loaded 2: 0/0

Could someone help me fixing "Loaded 1"?
Thanks a lot

I am starting a new project soon. Now, the project is still in the stage of planning. But I am quite confuse now which programming language to implement.

I am going to design a system where the normal users will update the data with the system while the data required changes will need system administrator to apporve it.

I will need a database to keep those records (the data required update) so that the system admin can refer to the database and make changes.

Do I have another choice instead of using Microsoft Access 2007 macros or VBA ? I prefer a web-based programming.

Any suggestion, please ?

This is a question more about an ASP.NET web application, but javascript is involved, so I'm hoping some javascript gurus can assist me.

I'm working with a web application that needs to get access to an ASP.NET web control (a button) in javascript. The problen is that since the control is run on the server, javascript can't access it in the standard way (i.e. document.getElementById(controlId); ).

I've actually solved this problem before in a different application, but my solution there doesn't seem to work here for some reason.

I have this in an aspx file:

Code:

<script...>

...

function myfun()
{
var b = document.getElementById("<%=SaveButton.ClientID%>");
alert(b);
}

</script>

...

<asp:Button ID="SaveButton" Text="save" OnClientClick="myfun()" ClientIDMode="Static" runat="server" UseSubmitBehavior="False" />

I have a designer class in which the button is declared (and therefore exists in the server-side codebehind):

Code:

protected global::System.Web.UI.WebControls.Button SaveButton;

But when I click on my button, the alert box says "null".

Why am I not able to get my button in the javascript function?

Some things to note:

*The button exists within a content tag:

Code:

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">

*I'm working within Visual Studios 2008.

Here is the scenario friends,

I have an html page which I load it on a server. I give the URL of this page to my clients. My clients have their digital certificate in their web browsers. There is some data on the html page which is filled by the clients. When the client hits the submit button, a java script should run from behind which should be able to pick up the digital certificate of the client which is laoded on their web browser. This information must be sent along with the data to the server. Is it possible to do this using Java script? Can we access Certificates on a system via Java script? Are there any API calls which can be used in Java script for this purpose?

Any help will be appreciated.

Thank you for your time.

Regards,

Rocky

Hi All,

I have html pages with code like

<div>
<script type="text/javascript" src="http://myserver2/mysite/addhtm.js"></script>
</div>

the script adds some html code and random images selected from second server inside an iframe tag in the div tag.
I need to examine this added html and image properties in my page using javascript.
A search on internet did not help, it says elements inside iframe coming from different domain can not be accessed.


Is there any workaround or hack available to access iframe contents from page javascript?

Thanks

I have two servers jboss and ejabbered and i have deployed two html files, one on each as follows:

testdirver.html deployed on ejabbered
<html><head>
<script>
function viewmembers()
{var w=window.open("http://192.168.56.134:8080/nkms1/kms/test.html");}
</script>
</head>
<body><form name="sub" >
<input type="text" id="to" name="to">
<button onClick= "viewmembers();">
</form></body></html>

test.html on jboss
<html>
<script>
function abc()
{alert(window.opener.document.forms[0].to);}
</script>
<body onload=abc();></body></html>

Problem: window.opener.document gives the js error "Access is Denied" which i am not able to understand.

Exchanging the two files on the servers(i.e. testdriver.html on jboss and test.html on ejabbered works fine and i get the output [object]). So i am guessing there is something that has to do with the ejabbered server

I am a relative javascript newbie. I wish to detect when a user is leaving a page, and want to know what s/he is doing to leave that page (browser BACK vs. clicked URL), and would like to be able to get this information from the ... document? Where is it held? How can I know this from within my script?

Thanks

Eric

Hi,

Is is possible to access a global variable for use inside a function?

Thanks for help in advance

Mike

I am doing my homework for my class, and I don't usually ask for this much help because I get most of them done by myself. However, I am having a really hard time to understand this time. I have lots lots of questions...I tried to follow the instructions that I got from my professor, but it seems not clear enough to me...
If anyone can fix or add on my codes, I will be really really appreciated....and here is the instructions and my codes..

If the form validates, instead of returning true, call the GetValues() function followed by the DisplayOutput() function.
so, I changed result true to calling functions like this,
Code:

if (blnError == true){
	return false;
	}  
	else {
	   DisplayOutput();
	   GetValues();
	}

In the .js file, create a PortraitOrder class using the following specifications
Properties: portrait, copies, size, buyer
Method: CalculateCost () -- determines the size (radio buttons) and then mutiplies the related cost by the number of copies
Code:

function PortraitOrder(){
	var cost;
	this.copies = "";
	this.portrait = "";
	this.size = "";
	this.buyer = "";
	var CalculateCost = {
    	   met1 : function () {
		if(size == 0){
		   cost = this.copies * 10
    		}
		else if(size ==1){
		   cost = this.copies * 20
		}
		else if(size ==2){
		   cost = this.copies * 10
		}
		else if(size ==3){
		   cost = this.copies * 30
		}
		else{
		   cost = this.copies * 20
		}
	   }
	}	   	
}

Create a new instance of the class named portraits as a global variable in the ,js file -" I don't see why I need this. So I did not create
Create a GetValues() function that will
retrieve the values from the form fields (document.forms[0].element.value) and assign them the properties of the instance of the PortraitOrder class.
use a for loop to retrieve the value from the radio buttons
use the prototype property to add a new property named email to the instance of the class
retrieve the value from the form field and assign it to the new email property
Code:

function GetValue(){
	this.copies = document.forms[0].Copies.value;
	this.buyer = document.forms[0].Buyer.value;
	var file = document.getElementsByName('Filename');
	for(var i = 0; i < file.length; i++){
    	if(file[i].checked){
       	 this.portrait = file[i].value;
    	}
	}
	
	var sizes = document.getElementsByName('Size');
	for(var i = 0; i < sizes.length; i++){
    	if(sizes[i].checked){
       	  this.size = sizes[i].value;
    	}
	}

	GetValue.prototype.email = document.forms[0].Email.value;
}

Create a DisplayOutput() function that
calls the CalculateCost () method for the current instance of the class.
displays the image using the value from the portrait property which contains the filename. Be sure to include height and width (and that would be why all of the images had to be the same dimension. These values can be hardcoded. The filename, however, may NOT be hard coded.. it must use the object.property format.
displays the buyer, email, copies, size, and cost using the object.property format (document.forms[0].element.value is not permitted)
The cost must be formatted as ##.## where # represents a number (Hint: Use a method of the Number class). It is NOT okay just to concatenate .00 to then end of the cost.
Code:

function DisplayOutput(){
	CalculateCost.met1();
	document.write("buyer: " + this.buyer);
	document.write("Email: " + email);
	document.write("Portrait: " + this.portrait);
	document.write("Copies: " + this.copies);
	document.write("Cost: " + "$"+cost.toFixed(2));
	document.write("Thank you");
}

The order form must include the site's header and footer and coordinate with the rest of the site.
There is no form processing file, everything is done in the .js file.

You may think like, this is horrible codes. And yes, it is. I know probably this is totally odd. This is why I came here for ask help. Also, I spent days to tried, but I could not get any idea...Anyone please help me on this?

How can i display a javascript object having
[CODE]var myVarr = [{"name":"xyz","age":21},
{"name":"cde","age":25}].[CODE]
in a table in jsp page?




Regards,
Anas

I am rather new to javascript programming and not sure if this is the best approach to handle a problem.
In setting up a simple image display that can later be modified to a rotator, I am using the following code

window.document.display1.src = image1.src;

now the question is when modifying that to be more dynamic, where display1,display2,.. can refer to a different image (or set).


var Image = "image";
var Display = "display";
for (i=1; i<n; i++){
window.document.this[Display+i].src = this[Image+i].src;
}
I know the right hand side of the equation is working (alert() displays the right soure), but the problem is the left hand side. I guess because of me not fully understanding the way objects work. why this[] works on the right and not on the left? and how do I resolve it?
All your comments, and a push in right direction are appreciated.

I'm writing a script in javascript(actually a chrome extension) and I need an object that I can write to it like this(sorry, don't know how to explain it better) and then I convert it to string with format of json.

Code:

id[129].weekDay[6].hour[23] = 0

Here, id is an array, that each element in it contain another array(weeksDay) and in that array each contain another array(hour).
The id indices are unlimited, for weekDay 7 and hour 24.

I searched in google but i couldn't find what I wanted. Actually don't know the best keyword to search.(objects in arrays?)

I don't know what exactly it is called, I can write it's declaration in VB.NET if that helps you.

I was going through an article on JavaScript objects on "http://www.howtocreate.co.uk/tutorials/javascript/javascriptobject" and there I read

Quote:
Intrinsic objects - variable types with constructors.

* Array
* Boolean
* Date
* Function
* Image
* Number
* Object
* Option
* Regular Expression
* String
does it mean that, whenever I want to use any of these objects, I have to create it using new and only then I can use its properties or methods ?

1) There are other objects like document, history, location, navigator, parent and screen. If objects which need to be created using constructor are called intrinsic objects , then what are other objects which can be used without constructor are called as ?

Array, Boolean, Image, Date etc all start with capital letter. While document, history, navigator etc start with lower case letter. Why is that ? Is there any difference between objects that start with upper case and those start with lower case ? Are they known by different names ?

Thanks