Javascript - Conversion To Fully AJAX Based Application?
Jan 1, 2011
I am in charge of converting an ASP.NET web application into fully AJAX based application. I know Javascript and Jquery very well.
Initially I thought to point every anchor tag's click event to JS function and to call stuff via ajax and to populate the body and so on. I encountered a problem when it came to ASP.NET Form on every page and when there was need to make a post-back. I decided to point every Form tag's onSubmit event to a JS function to post stuff using ajax and to get results and I got to know this is not possible with ASP.NET as every time where is a button click, there will be post back so it's hard to let page know what button was clicked.
I then decided to use ASP.NET built-in AJAX controls to use with Forms which is pretty easy and worked like the way they should. Now I am stuck with the question of which I should go with?I like to be JS way because it's more customizable than AJAX.NET.
I am using if (document.getElementById('<%= MainImg.ClientID %>').complete) { hideLoadDiv(); }
to hide a div which indicates the image is not loaded yet,but it hides before the image has finished loading and is shown, while the browser is giving me a message that the page is still transferring data from the server :S
Is there another function I can use to make sure that the image is fully loaded?
function SetScrollEvent() { window.scrollTo(0, document.body.scrollHeight);}
I update update panel from server side like below.
protected void rptList_ItemCommand(object source, RepeaterCommandEventArgs e){ //HiddenField hiddenId = e.Item.FindControl("hiddenId") as HiddenField;Label lb1 = e.Item.FindControl("Label2") as Label; //Button bt = e.Item.FindControl("Button2") as Button;if (e.CommandName == "myclickevent"){ // your codes here...SqlConnection conn = new SqlConnection(constr);SqlCommand
[CODE] .....
I use repeater and repeater have button on button click i update the update panel. now where i have to call the javascript function so that it execute after update panel fully loaded. I want to call javascript function after page fully loaded.
I have some javascript files for each browser version and for different browsers. I want to include this files in script tag of script manager. Is it will detect these files and load based on browser version? Is there is best way to handle this scenario declaratively in markup insted of codebehind?If not declaratively how in code behind?
I have the following within a Fieldset control - Label, Textbox (date), icon (for calendar extender)
The CalendarExtender is extending the textbox with a PopupButtonID= the icon.
The issue I have is that when I click the icon the calendar displays under the textbox (correcly) but is not displayed fully as it is cut off by the frameset.[URL]
I know if I have a drop down list it displays fully outside the Frameset while this seems to be inside the frameset.
as all we know that we can create very simple chat using ajax timer & web service , it runs well for few users .
i want to leaverage same idea for site where 5000+ users will be there in chat room , messages are stored in queue hold in memory * dispatched as user request that is through java script timers calling page method or service ,
how well it will perform ? i know GTalk implements XMPP protocol(jabber) for the web chat seems it will be difficult to got XMPP way ?
Have a GridView in an UpdatePanel, all works fine. Click the Submit() button which updates the database on postback, then the GridView is bound in code and I register an alert:
Calling UpdatePanel1.Update() causes the popup to appear. All fine but what I am noticing is that the alert occurs just before the page has fully updated and is causing a few minor layout issues that are resolved when the alert button is closed (by clicking OK). Is there a way to generate an alert after a full UpdatePanel refresh, so something like:
I was curious if one can use RequiredFieldValidator and other validation controls for client-side validation on a production site?I looked in the docs but could not find any mention of validators.
I have a huge content on a page which scroll's down vertically and when I try to popup a modalpopup control on this page, some part of the screen is not grayed out on IE6 and user can interact with the background page ( even when modal popup is open) . This happens only on IE6 works fine on IE8 and firefox .
I am developing a module for insert watermark in pdf file in asp.net with c# and I want to insert this module in existing application which is based on MVC architecture. I am new in mvc architecture. Can I merge asp.net based module in MVC based application.
I've asp.net 2.0 ajax enabled web site in which I used Ajax update panels in pages. Now I want to convert it into asp.net 3.5 but it gives errors for Ajax tool kit and script manager and update panel used in pages. I don't want to remove ajax functionality from my site, so is there a way to convert them without removing ajax update panels from pages.On my PC I've installed both VS2005 and VS2008.
I made one application which consumes WCF service and also using nettcp protocal. As we know, WCF application requires .Net3.0 and .Net 3.5 framework. but we have some dealer machine which are having window server 2000 OS now i am not able to install .net 3.5 framework on dealer machine . So we are not able to upgrade old application with new application which are totally based on WCF framework .
I've asp.net 2.0 ajax enabled web site in which I used Ajax update panels in pages. Now I want to convert it into asp.net 3.5 but it gives errors for Ajax tool kit and script manager and update panel used in pages. I don't want to remove ajax functionality from my site, so is there a way to convert them without removing ajax update panels from pages. On my PC I've installed both VS2005 and VS2008.
I am working on ASP.NET Ajax site. Application is working fine when I run in my local machine, but same code if I place in Server then it is giving "SpanID is undefined" Javascript error. I found error is due to UI.dll file.
We have developed apllication in Microsoft VS 2008 and when we opening this same application with Microsoft VS 2010. Then it's asking to convert.
So can anybody tell me what it is converting exactly. Means it's open application in Microsoft VS 2010 and running properly also. But i am understanding whats happning while converting.
I have got a desktop application which was build in vs2005, now i am doing conversion of it to web application (vs2008). i have got around 40 crystal reports in it (desktop application).
tell me can i use them (rpt files) directly in web application or i will have to create all new reports?
I am trying to put in scripts for google analytics in my code. But I want it to run only if the environment is production and not in dev or qa. This javascript runs at page load itself and I am confused how to make it run conditionally. My app is an asp.net app.
Javascript is always confusing to me. There are many other javascripts in the page and I just need to disable this one. Had it been a .net code/function I would check for the environment and conditionally run the function. But I am confused about how to accomplish this type of functionality with javascript
