How To Write Dynamic JavaScript
Apr 9, 2010how can i write dynamic JavaScript any simple example or any references.
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how can i write dynamic JavaScript any simple example or any references.
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i search google for re-write in asp.net 3.5 web form and found many sample. my requirement is bit different. suppose i have textbox and user will write whatever in the textbox then that text will pass to a specific page like www.mysite.com/product.aspx?data=textbox.text but i want to rewite the url like www.mysite.com/product/textboxdata.aspx.suppose user write sony camera in textbox so then my rewite url will be www.mysite.com/product/sony-camera.aspx.so please tell me someone with code snippet how could i re-write url dynamically
View 4 RepliesI want to write dynamic store procedure means 1 select_sp, 1 update_sp, 1 insert_sp, 1_delete_sp for all tables.
How it is used in secured manner.
how can I write JavaScript code in asp.net in code behind using C#.
For example, I have click button event when I click the button I want to invoke this java script code:
alert("You pressed Me!");
I want to know how to use java script from code behind.
I've been assigned changes to make to an ASP.NET project. The WebForm I'm working on needs to dynamically display and hide controls in response to user actions.
So far, so good. My approach would be to create a little JavaScript. However, on this page, the markup is part of a template for a Telerik control (which I know nothing about). I'm not sure the ramifications of this. Can I still use JavaScript for templated markup?
I tried to insert some existing JavaScript in the page. The first problem I have is my use of <%= ControlName.ClientID %>, which produces an error because the name of the control in the template is not seen to exist by ASP.NET.
Is there another way to do this, or am I just going to run into more problems?
i would like to update follow div with ajax request written in javascript method.
asp.mvc view:
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it schould work without any controller action.
method for FeedUpdating is written in HomeModel.cs / GetAllFeeds() and it works. I need just call it from javascript
I know how to write/create cookies in JavaScript.
//Create the cookies
document.cookie = "Name=" + Name + ";expires=Friday, 31-Dec-2011 12:00:00 GMT; path=/";
document.cookie = "Surname=" + Surname + ";expires=Friday, 31-Dec-2011 12:00:00 GMT; path=/";
document.cookie = "Number=" + Number + ";expires=Friday, 31-Dec-2011 12:00:00 GMT; path=/";
document.cookie = "Email=" + Email + ";expires=Friday, 31-Dec-2011 12:00:00 GMT; path=/";
document.cookie = "Country=" + Country + ";expires=Friday, 31-Dec-2011 12:00:00 GMT; path=/";
document.cookie = "Company=" + Company + ";expires=Friday, 31-Dec-2011 12:00:00 GMT; path=/";
document.cookie = "Title=" + Job + ";expires=Friday, 31-Dec-2011 12:00:00 GMT; path=/";
But how can I read each one of them in JavaScript because I want to populate the text boxes next time the user come to the form? I have tried this but it does not work:
var cookieName = ReadCookie("Name");
document.getElementById('txtName').value = cookieName;
Edit with Answer:
I used this code.
<script type="text/javascript">
function getCookie(c_name)
{
if (document.cookie.length>0)
{
c_start=document.cookie.indexOf(c_name + "=");
if (c_start!=-1)
{
c_start=c_start + c_name.length+1;
c_end=document.cookie.indexOf(";",c_start);
if (c_end==-1) c_end=document.cookie.length;
return unescape(document.cookie.substring(c_start,c_end));
}
}
return "";
}
function checkCookie()
{
Name = getCookie('Name');
Surname = getCookie('Surname');
Email = getCookie('Email');
Company = getCookie('Company');
Title = getCookie('Title');
if (Email!=null && Email!="")
{
//Populate the text boxes.
document.FormName.txtName.value = Name;
document.FormName.txtSurname.value = Surname;
document.FormName.txtEmail.value = Email;
document.FormName.txtCompany.value = Company;
document.FormName.txtjob.value = Title;
}
}
</script>
And called the checkCookie() function like so from the window.onload
<SCRIPT TYPE='text/javascript' LANGUAGE='JavaScript'><!-- //
window.onload = initPage;
function initPage()
{
checkCookie();
}
//-->
how to write RequiredFieldValidator using Javascript?
View 1 RepliesSince everyone yells at me that MessageBox doesn't work when the project is uploaded to the server, I need to migrate to javascript alert box. As I was changing my MessageBoxes, I tested and found that they weren't being produced. I'm not sure if it matters, but they are in a try/catch block, which is shown here:[Code]....
This all worked before when I had MessageBox - it showed, then the page redirected when I clicked Ok.
I either don't understand how try/catch works, the javascript isn't adding, or Response.Redirect is executed before I can see the alert box and click Ok on it.
(just as a note, everything works fine, but the alert box doesn't show)........if I add the (javascript) code before the try block, the alert box comes up, so it's not something wrong with the writing of the javascript or executing it at least (I think).
yes client side must be java script but my qustion is not that.i am asking that can i use c# language to implement "actions" fired on "click side events" such as mouse over the reason for this question is that i remember some syntax of registering functions for particular events of formview, which are call when the event occurs (yes there ispostback involved" is something like the above possible for client side events using c# or even vb.net
protected void Page_Load(object sender, EventArgs e)
{
Label3.Text = "this is label three";
Label3.Attributes.Add("OnMouseOver", "testmouseover()");
}
protected void testmouseover()
{
Label4.Text = "this is label 4 mouse is working!!";
}
I'm having a problem with this code:
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The thing is that, the first if statement works fine and the 'javascript' shows an alert and close the window, but in the second if statement the javascript shows the message but doesn't close the window.
On my page in the Page_Load event I add a collection of strings to the Context object. I have an HttpModule that will fire EndRequest and retrieve the collection of strings. What I then do is write out a script reference tag (based on the collection of strings) to the response. The problem is that the page reads the script reference but doesn't retrieve the contents of the file (I imagine because this is occurring in the EndRequest event). I can't fire the BeginRequest event because I won't have access to the Context Items collection.
I tried to also registering an HttpHandler which Processes the request of the script reference but I can't access the collection of strings in the Context.Items from there.
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I am write code in java script
window.location=document.location.path
when I am search college then display url
http://localhost:1682/FinalTest/searchcollege.aspx?CollegeId=25
if I am overwrite url in Addressbar
after My url ---
http://localhost:1682/FinalTest/searchcollege.aspx?CollegeId=25&id=3&cid=5
I want when I am search any another college then show my url
http://localhost:1682/FinalTest/searchcollege.aspx?CollegeId=20&id=3&cid=5 means only change my CollegeId=25 to 20 and other parameter is not change. Use only javascript.
I am very new to Web development, and have been writing some javascript that makes use of WScript.Shell via ActiveX. I am aware that browsers other than IE don't support ActiveX though.
After doing some digging through Google, I have discovered that I may be able to do something similar on all web kit based browsers via NPAPI. I have no idea where to even begin when it comes to this though. Is it possible to do what I am after via NPAPI? If so, where would I begin?
in my asp.net website, i have textbox control inside datagrid control. I would like to add textchange event in javascript where i need to sum the values inside textboxes in datagrid and show that addition in lable outside grid. I would also like to do same addition in codebehind(*.cs) But codebehind only execute when browser not support javascript. It means when browser support javascript only client side javascript should execute not server side code
View 1 RepliesI have a ListView (in an UpdatePanel) connected to a LinqDataSource. When the page loads and/or I navigate through Postback, the code snippet (below) will display the following output:
[email.gif] someone@adomain.com [email.gif] www.adomain.com
However, when I use a few DropDownLists (also in the UpdatePanel) to filter the results (reset the DataSource to a Linq query and call DataBind), the same Contact is displayed like this:
[email.gif] [email.gif] www.adomain.com
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If the parameter is a URL, the FormatEContact method will return:
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So, after spending some quality time with Bing and Google, I've learned that the above js code is treated as just text and not evaluated. Therefore, the most often recommended solution is to eval() it. Unfortunately, I can't figure out exactly how, when or where to call eval().
I am working on a feature to throw a warning message if the user has unsaved values in a form. I can see that in the next post there is a explanation about how to do that [URL]now the problem is that i need to do the same but using a ascx control and i don't know where put the next code in my ascx control.
<body onunload="checkSave()">
NB: I'm working on dnn so that i don't have any change to add this code in the parent page of the control.
I've inherited some code (not mine- I swear!) which uses a session variable in the header of the HTML to determine which javascript file to link to.
<SCRIPT language="javascript" src="../JavaScript/<%=Session("jsFileName")%>.js"></SCRIPT>
It does work, except that it won't let me change to design view. It gives the message "Could not open in design view. Quote Values differently inside a '<%... "value" ...%>' block.
Is there a way to add a Html.ActionLink through javascript? For instance, I have this Edit function in my controller:
public ViewResult Edit(int companyID)
{
....
}
And I'd like to do something like this in javascript:
var id = $("#hdnID").val();
$("#editLink").html(<%: Html.ActionLink("Edit", "Edit", new { id }) %>);
A bit of a crude example, but it's basically what I'd like to do. Is it at all possible?
I have a dynamic (allows addition of rows on the fly) an ASP gridview that has a dropdownlist in one of its columns. I would like to take an action enable/disable the textbox in the column after depending on the selection in the dropdownlist during data entry.
View 2 RepliesI am working on an application where i have got, a content page within a Master Page. I have placed a gridview on the page. This gridview has three fields, one of them is TemplateFied, a BoundFiled and a CommandField, along with paging enabled in the gridview.
In the template field i am creating a dynamic javascript on RowDataBound.
I wanted to place this gridview in Update panel so that it doesnot re-loads when command is clicked or page is changed.
I placed a scriptmanager and an update panel, and placed the grid in it. Now my command field works only once and not more, and same is true for the javascript, it doesnt gets initilized.
I have a partial view which uses Ajax.ActionLink to perform paging. The AjaxOptions in the link identify the update target (a div on the main view) and some javascript to run OnSuccess (in the partial view). The javascript must be in the partial view since there is some information in the partial view required to properly wire up the jQuery in the javascript. This isn't working as expected. The sample below is the minimum code to duplicate the behavior I am seeing:
Controller:
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View:
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Partial View:
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I would expect that the value shown in the javascript alert would increase each time you click the link. I put in a break point and made sure the value was incrementing so it is definitely a problem in the ajax side. Is this by design? If so, what is the recommended work-around.
I have html table with 1 row to fill in job details for a position.Now If a user wants to fill in job details for another position,on clicking a link, a new row should be created dynamically each time the user clicks the link.
I'm using frontpage.
I'm trying to debug some javascript problems, but the script manager compresses the javascript code making this difficult. I have set ScriptMode=Debug in the ToolkitScriptManager but this still happens. I am also using a Web User Control. Does anybody know how to disable the script compression for debugging purposes?
View 4 RepliesI am new buddy to Jquery. I am using a Jquery image scroller in ASP.net.But In this scroller image path must be set in javascript like an array. For Ex-Car_Image_Sources=new Array( imagearray// NOTE No comma after last line
View 2 Replies