Jquery - Correctly Handle Javascript Functions In Multiple Webcontrols?
Feb 5, 2011
I have a webcontrol that will exist multiple time on a page. I have some javascript (JQuery) in the control and when I have multiple controls on a page the functions get confused.I have seen plenty of stuff on why this is the case - basically my functions use set id's but i need to somehow make them relative.An example of a function ...
function showUploader() {
var img = $('#<%=ImgID.ClientID %>');
$('#<%=UploaderIFrame.ClientID %>').attr('src', '<%=ResolveUrl("~/Controls/EditableImageControl/ImageUploader/ImageUploader.aspx") %>' +[code]....
how to get references to the html elements in the web control?
I have a page with three HTML labels and their corresponding ASP.NET gridviews contained within divs. Now while learning jQuery, I am trying to achieve two things:1. Change the css class of the lables upon mouse hover/out.2. Slide up/down the grid div upon clicking of the labels.It looks to be working as expected, but I wish to know if I am doing it the right way.My complete jQuery code is:
And I am calling these function from onmouseover, onmouseout and onclick events of the label controls passing in the label ID as parameter. As an example:
<label id="lblWebComp" class="gridLabelDefault" onmouseover="ColorChange('lblWebComp')" onmouseout="ColorChange('lblWebComp')" onclick="ShowHide('gvDivWC')"> Web Components </label>
Kindly let me know if this is the best way to achieve these effects? Don't I have to right the document ready function in the jQuery code?
I think I summed up the question in the title. Here is some further elaboration...I have a web user control that is used in multiple places, sometimes more than once on a given page.The web user control has a specific set of JavaScript functions (mostly jQuery code) that are containted within *.js files and automatically inserted into page headers.However, when I want to use the control more than once on a page, the *.js files are included 'n' number of times and, rightly so, the browser gets confused as to which control it's meant to be executing which function on.What do I need to do in order to resolve this problem? I've been staring at this all day and I'm at a loss.
I'm not familier with Javascript, and I have to convert a Project's Javascript codes to Jquery scripts.
ofcourse I'm not project leader or something like it, I'm just elaborating that this process may has what kind of issues and may face with what kind of needness ?
So if you know any solution to convert Javascript Functions to Jquery ones
Here is my problem. I have on multiple occasions downloaded jQuery UI and tried to use it. What happens, though, is that in the examples provided in the download the UI elements look great, but in my pages when I try to use them all the formatting and style stuff is messed up. Here is an example of a date picker:
For my page (an '.aspx' page, if that makes any difference) I have all the images in the image folder one level below the css file, just as it is in the example folder, and the script files are all together in another folder. Is there something I need that I don't have. I shouldn't need the "demo.css" file, should I? Is there a special naming convention for items in the form of the site? Is there some special way that I need to have the folders/css files/source scripts set up, like a certain folder configuration, to make it work? Kind of lost on this one. Probably a really simple fix, but I'm pretty new to using this.
I've got a webform in asp.net 3.5 that has two submit buttons. Each button has a corresponding textbox controlTextBox1 and Button1TextBox2 and Button2Button1 appears first on the page.When the user is entering text in TextBox1 and presses the <enter> key, the event handler for Button1 is fired appropriately. However, I want my users to be able to click the <Enter> key while Textbox2 has the focus, and have the event handler for Button2
According to the RFC, individual cookies in the "Cookie" HTTP header may be separated by commas as well as by semicolons. However, ASP.NET does not parse the commas case correctly - it does not count comma as a separator, but considers it just part of the value.
For exampleIf a client sends header Cookie: a=b, c=d, then the ASP.NET application will see just one cookie named "a" with value "b, c=d".As a special case, the same thing happens when the client sends several Cookie headers (one for each cookie) instead of combining all cookies in one header. From HTTP perspective, this is completely valid, and in such case the effective value of the header should be concatenation of the values of all its instances separated by commas.Does anybody know a workaround (or maybe a fix?) for this? I absolutely need to get this working, because I don't control the client.P.S. It is ironic that, according to this thread, the .NET built-in HTTP client's (aka HttpWebRequest) behavior is just the opposite, and also causes problems. :-)
I have the following code where the function codeaddress geocodes the text feild value and returns geocoded value , geocoded value is stored in variable example ,how will i return the variable v2 to the function call and post to asmx webservice.
I am having problems attaching javascript to a button located on Microsoft.Web.UI.WebControls Toolbar because these buttons don't have an attributes property. Is there any way this can be accomplished?
I have an ASP.NET application using a master page. I am adding a reference to the JQuery library in the master page however there are some content pages and user controls that reference the JQuery library directly. Will I need to remove each reference from those pages or can I leave them in place even though I am adding a reference into the master page of the application?
I have a list box in my page.<td><%=Html.ListBox("listServiceTypes", Model.ServiceTypeListAll, new { style = "width: 500px;height:200px;" })%>I need to disabled selecting multiple items from the list box? I am doing something like selecting one item and click delete button my page its delting one item from list box.. but If I select multple Items its throwing an error message.?Can any body help me out how to deactive or disable multiple items from list box.
I am trying to call some javascript functions which I ahve written in some file. Eg.
function OpenPopup() { alert("OpenPopUp"); return false; }
when I call this from button from OnClientClick = "OpenPopup()" it is not called but when I put this function on MasterPage it is able to call the function.I added this is the MasterPages's Head
I've looked at about 5 Questions here on SOF and haven't really found a useful answer for this. How am I supposed to invoke my javascript functions from client-side events in my .ascx controls? Here is my .ascx file.. what most the answers have led me to:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="UIMenu.ascx.cs" Inherits="controls_UIMenu" %> <script language="javascript" type="text/javascript"> function insetItem(myMenu) { myMenu.setAttribute("class", "myClass");.......
I'm getting different errors when doing it this way. ".....ascx does not contain a definition for "insetItem"", and my other pages that use this file don't recognize it anymore. When I try to put the js on the actual .aspx pages that will be using it, I get the same no definition error.
I just started learning jscript, still pretty noob. I'm trying to make it so when the user down clicks a menu item, I want that item's borderstyle to change to "inset". I'm not sure how to change that attribute for the specific item that gets clicked either in javascript >_< but that's another question.
I'm very new to jQuery, and have little experience using JavaScript,I've found what to me looks like a fantastic crop tool using jQuery ( http://deepliquid.com/content/Jcrop.html ).What I need is to merge example 2 and 3 together, as I'd like both the preview panel AND I need the coordinates. The two bits of JS are:
<script language="Javascript">
// Remember to invoke within jQuery(window).load(...)
// If you don't, Jcrop may not initialize properly[code]....
I have written a web application in ASP.net, Vs2010. This application has master page. That master page is applied to all pages. If I write some JQuery code on these pages, they don't work out. However if I shift that code to Site.Master Page, it starts working. e.g. code mentioned below will not work on default.aspx, however it will work on Site.Master.
I wanted to use some javascript functions in a ASP.net 3.5 web site. I have added a javascript1.js page in the Sites Folder with a Javascript Test function.
I have a JavaScript-based timeline which needs to use data from an SQL server. The queries and the JSON conversions have been worked out in the form of C#.NET functions within a code file related to an .aspx page. So for a complete newbie to ASP.NET, how do you set up a function call like this from JavaScript?I would love it if someone had some simple example code I could learn/get some pointers from.Edit: I am using .NET 3.5
I'm looking to add controls dynamically to a table across multiple functions. I'm trying to convert this from a C# app to a web app using asp.net, though this is my first time using asp.net with no web development background. I read the creating tables dynamically in the FAQ but I'm still not sure how to do this.
When pressing the submit button on my form, it will create a table in a place holder. Eventually I would like it to generate urls based on the users input and do this in a function other then the one I created my table in.
In my C# app I was able to add text to a listbox using: lstOutput.Items.Add("Text"); across multiple functions but I'm having trouble doing this with a table.
I understand that my table is a local variable in the submitButton_Click function, but how do I make it global to add rows, cells and controls to it in other functions?
All of my scripts run fine in my Master page, and all of the functions run when called in the content pages, but for some reason, all of the sudden contentPageLoad() doesn't run anymore in any of them. I am sure that I have changed something somewhere, but I can't figure out what it is.
I have a user control which opens a new window for some item selection. Once an item is selected on that window, the item ID should be passed to a callback javascript function in the user control. In order to have a unique callback function name in the user control (it may have multiple instances on the same page), I added the user control ID to the function name as follows (defined in the ascx file):
function OnItemSelection_<%=this.ID%>(selectedItemID) { OnItemSelection("<%=SomeControl.ClientID%>", selectedItemID) } Where OnItemSelection is defined in an external js file: function OnItemSelection(controlID, selectedItemID) { $(controlID).do_something(selectedItemID); } The issue is that now I'm not sure how the new page can call the "right" function (of the user control instance where it was opened from). The only idea I have in mind so far is passing the name of the callback function in the query string: var CallbackFunction = function(selectedItemID) { window.opener.<%=Request.QueryString["CallbackFunctionName"]%>(selectedItemID); } or maybe just the opening user control ID: var CallbackFunction = function(selectedItemID) { window.opener.OnItemSelection_<%=Request.QueryString["UserControlID"]%>(selectedItemID); }
My questions are:
1) Is it a bad practice passing javascript function names (or user control IDs) like that (I suspect it is)?
2) What could be better way to handle this scenario? Edit: Another way I'm considering now is declaring a global variable in the user control (registering it from the code behind so it'll appear only once). Then, when opening the new window, it's possible to assign the relevant function to it (OnItemSelection_<%=this.ID%>), and call it from the new window. Seems much cleaner than passing user control data through the query string.
I have an application which use some javascript functions,As all javascripts include in Masterpage, most of them which comes withpage are not necessary, and some of those are repeated ( cause used in some different JS file. )So I want to check if there is a way to determine duplicate functions and remove them ?
