Web Forms :: How To Use Javascript (including Functions) In Code Behind File
Nov 17, 2010I knew how to apply Javascript function in html file. How to use javascript(including functions) in code behind file?
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<script
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Web User Control With Javascript Used Multiple Times On A Page - How To Make Javascript Functions Point At The Correct Controls
Apr 12, 2010I 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.
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Jan 16, 2011All 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.
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Jan 27, 2010i think The javascript function called by using RegisterStartupScript or RegisterClientScriptBlock executed after the code in the method is executed.I want to execute the javascript function called by RegisterStartupScript or RegisterClientScriptBlock to be executed before the code in buton click method is executed. For that what should i do?
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Getting The Full Url Of Page In Code Behind Including Querystring?
Jan 24, 2011I´m trying to get the full URL from a page including querystrings. It works as long as the querystring is lower then 10. If it contains more than one number it does not work.
I try:
Dim v As String = Request.QueryString("kund")
Dim myDescription As String = "Ring kund " & " " & "Http://backup/heat/Dial/kundkort.aspx?kund=" & v & "url: " & Request.Url.AbsoluteUri
It will not work unless here is only one digit in the querystring. It works in my other codes for selecting data from a table etc.
If I would try the URL http://backup/heat/dial/kundkort.aspx?kund=86
my output will be:
Ring kund , Http://backup/heat/Dial/kundkort.aspx?kund†url: http://backup/heat/dial/kundkort.aspx?kundâ€
It is justa cross sign instead.
Display An Output On An External Website By Including A Javascript?
Jul 1, 2010I would like to display an output on an external website by including a javascript on that external website.
On my aspx-site i did:
[Code]....
I only get a white page on my external site :(
Including ListItem Variables In JavaScript Function Call?
Jan 28, 2011I have a nested ListView (Master/Detail) and want to invoke a JavaScript function in the detail ItemTemplate so that this function can call a static method on the server site and post the field update. I need to include three data variables in the function call, two of which must come from the ListItem data. The JavaScript call to SaveAnswer that is contained in a list item embedded in the inner listview does not render properly. The code must pass three variables: ThisPAQID is a public variable from the codebehind. I could probably make it a hidden variable on this page. QuestionID is a variable from the current listitem and is contained in the table cell immediately preceeding the SaveAnswer method call.
The nested listview works great, and if I dummy the PAQID and QuestionID values in the function call (e.g. SaveAnswer(1,1, this.Value), it works fine.
<asp:ListView ID="lstQuestions" runat="server" OnItemDataBound="lstQuestions_ItemDataBound">
<LayoutTemplate>
<table>[code]....
When I put a breakpoint into this code in FireFox, the break never fires. Do I need an "OnBlur" tied to this code? Clearly I am not a JavaScript wizard.
JavaScript .JS File And Code Behind / Can't Call From Code Behind
Mar 22, 2011I have a website that shows images people have uploaded.
[URL]
I want to be able to show a popup window when i move the cursor over an image. It should show information about the user that i take from the database.
I have found a javascript that works, it fades a window in and out. But i cant call it from codebehind.
My default.aspx has this code:
Code:
[code]....
Web Forms :: Serializing The Value From A Textbox In Aspx.cs File To JavaScript Code?
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View 12 RepliesCalling JavaScript Functions?
Sep 28, 2010I 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
<script src="Scripts/something.js" type="text/javascript"></script>
C# - Javascript Functions In .ascx?
Feb 3, 2011I'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.
Convert Javascript Functions To JQuery?
Feb 21, 2010I'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
Accessing Code Behind Functions From WebMethod
Feb 9, 2011I have a code behind page that has several method; one of them is a page method.
[WebMethod]
public static void ResetDate(DateTime TheNewDate)
{
LoadCallHistory(TheNewDate.Date);
}
protected void LoadCallHistory(DateTime TheDate)
{ bunch of stuff }
The method LoadCallHistory works fine when the page loads and I can call it from other methods inside the page. However, in the web method part, it gets underlined in red with the error "an object reference is required for the non-static field".
How do you access functions from the page method part of the code?
AJAX :: AsyncFileUpload Javascript Functions Not Working?
Oct 31, 2010[Code]....
What's wrong with it?
DataSource Controls :: Getting Sql Functions Parameters Into The C# Code
Apr 30, 2010getting the Parameters declared in an sql function in the C# code. We can actually get the parameters from a Stored Procedure by giving SqlCommandBuilder.DeriveParameters
Similarly is there any way to get the Parameters from the SQL Function.
C# - Calling User Control Javascript Functions From New Window
Mar 31, 2011I 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.
C# - How To Determine Duplicate Javascript Functions Which Include In Page
Feb 20, 2010I 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 ?
View 4 RepliesJavascript - Calling Multiple JQuery Functions In Page?
Aug 16, 2010I 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:
$(function ColorChange(ID) {
$("#" + ID).toggleClass("gridLabel");
});
$(function ShowHide(GID) {
$('#' + GID).slideToggle('slow');
});
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?
Jquery - Correctly Handle Javascript Functions In Multiple Webcontrols?
Feb 5, 2011I 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?