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Programming ASP.NET AJAX: Build rich, Web 2.0-style UI with ASP.NET AJAX
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Delivering rich, Web 2.0-style experiences has never been easier. This book gives you a complete hands-on introduction to Microsoft ASP.NET AJAX 1.0, the new framework that offers many of the same benefits for Ajax development that ASP.NET provides for server-side development. With Programming ASP.NET AJAX, you'll learn how to create professional, dynamic web pages with Ajax in no time.
Loaded with code and examples that demonstrate key aspects of the framework, this book is ideal not only for ASP.NET developers who want to take their applications a step further with Ajax, but for any web developers interested in ASP.NET AJAX, no matter what technology they use currently. That includes JavaScript programmers who would like to avoid the headaches of writing cross-browser code.
Programming ASP.NET AJAX offers you: - A high-level overview of the ASP.NET AJAX framework
- Functional code that you can cut and paste for use in your own applications
- The essentials of JavaScript and Ajax to help you understand individual technologies used by the framework
- An organization that reflects the framework's packages, including Extensions, Control Toolkit, the Futures CTP, and the AJAX Library
- Sidebars throughout the book that identify and propose solutions to potential security breaches
- Ways to use the standards-based AJAX Library with other platforms, such as PHP
- A complete chapter on the UpdatePanel control for making individual parts of a web page independently updateable -- one of the framework's most important elements
Released previously as Programming Atlas to cover the beta version of the Microsoft framework, this edition is fully up-to-date and expanded for the official 1.0 release of ASP.NET AJAX. Written by Christian Wenz -- Microsoft MVP for ASP/ASP.NET and AJAX Control Toolkit Contributor -- Programming ASP.NET AJAX contains many hard-to-find details, along with a few unofficial ways to accomplish things. Customer Review :
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AJAX and PHP: Building Modern Web Applications 2nd Edition
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This book is a step-by-step, example-driven AJAX tutorial, featuring complete case studies. Each chapter contains a friendly mix of theory and practice, so that your journey through the book will be pleasant, yet efficient. You’ll be coding your first AJAX application at the end of the first chapter, and with each new chapter you’ll develop increasingly complex AJAX applications featuring advanced techniques and coding patterns.AJAX and PHP: Building Modern Web Applications, 2nd Edition, is written for PHP developers who: Want to learn how to use PHP, JavaScript, MySQL and jQuery to implement Web 2.0 applications, Are looking for a step-by-step, example-driven AJAX tutorial, Want to learn advanced AJAX coding patterns and techniques and be able to assess the security and SEO implications of their code
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Ajax Programming for the Absolute Beginner (No Experience Required (Course Technology))
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Learn Ajax the easy way! If you are new to programming with Ajax and are looking for a solid introduction, this is the book for you. Developed by computer science instructors, books in the "for the absolute beginner" series teach the principles of programming through simple game creation. You will acquire the skills that you need for more practical programming applications and will learn how these skills can be put to use in real-world scenarios. Best of all, by the time you finish the book you will be able to apply the basic principles you've learned to the next programming language you tackle.
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Understanding AJAX: Using JavaScript to Create Rich Internet Applications
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AJAX is hot, hot, hot! Why? It's simple. With AJAX, internet developers and designers can create web-based applications that look and feel like desktop applications. These are responsive, highly-interactive applications that represent a new breed called "Rich Internet Applications" (RIA). This book is a guide to designing, implementing, and debugging AJAX applications. The book begins by comparing and contrasting the traditional web application lifecycle with that of an AJAX application. It then covers core AJAX technology, including the XMLHTTPRequest object, and describes various methods for "consuming" data returned by it. Because AJAX represents a fundamentally new way of creating web applications, the book is careful to explore usability guidelines for AJAX developers. This is followed by a series of use cases that show how specific problems are solved in both the pre-AJAX and post-AJAX worlds. The book ends with a chapter on debugging AJAX applications, along with appendices that cover toolkits that greatly simplify AJAX development. All of the server-side examples presented in the book will be written in PHP, the most popular langauage for server-side web programming.
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Sams Teach Yourself Ajax, JavaScript, and PHP All in One
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In just a short time, you can learn how to use Ajax, JavaScript, and PHP to create interactive interfaces to your web applications by combining these powerful technologies. No previous Ajax programming experience is required. Using a straightforward, step-by-step approach, each lesson in this book builds on the previous ones, enabling you to learn the essentials of Ajax programming with JavaScript, PHP, and related technologies from the ground up. Regardless of whether you run Linux, Windows, or Mac OS X, the enclosed CD includes a complete Ajax programming starter kit that gives you all the programming tools, reference information, JavaScript libraries, and server software you need to set up a stable environment for learning, testing, and production. Learn how to… - Build better, more interactive interfaces for your web applications
- Make JavaScript, HTML, XML, and PHP work together to create Ajax effects
- Compile an Ajax application
- Create and consume web services with SOAP and REST
- Avoid common errors and troubleshoot programs
- Use popular Ajax libraries to speed up and improve common programming tasks
On the CD - XAMPP for Windows, Mac OS X, and Linux—an easy-to-install package to set up a PHP- and MySQL-enabled Apache server on your computer
- The jEdit programming editor for Windows, Mac, and Linux
- Prototype, Scriptaculous, Rico, and XOAD—popular JavaScript libraries for creating Ajax applications and effects
- A complete Ajax, HTML, XML, and PHP tutorial reference library in searchable PDF format
- Source code for the examples in the book
Phil Ballard is a software engineering consultant and developer specializing in website and intranet design and development for an international portfolio of clients. He has an honors degree from the University of Leeds, England, and has worked for several years in commercial and managerial roles in the high technology sector. Michael Moncur is a freelance webmaster and author. He runs a network of websites and has written several bestselling books about web development, networking, certification programs, and databases. Category: Web Development Covers: Ajax, JavaScript and PHP User Level: Beginning–Intermediate
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Questions & Answers
Question : How do you update a page using ajax?
I am programming a website and have a 1mb banner flash animation at the top. The problem is, I do not want to reload that banner animation for every page. So is there a way using ajax and php to update only the lower half of the website when a link is clicked?
Answer:
To be honnest, if you have a 1Mb FLASH banner, I would tell you "Tough luck! You can't design, you're on your own!".But I have pitty... Had a few...Make ALL your pages as two divs. One div for the banner, the other for the contents. You can then update the contents div under AJAX. (The banner will never be refreshed)ORMake the contents an I-frame. You can update the I-frame.Both have a problem: the URL in the adress bar will always stay the same: you have a site with "one page", and the history will not work: if the user clicks on the back button, he will return to the site he visited before yours... (there are ways around, but they are quite complex)So, why not being a bit more reasonnable and get rid of Flash???1. 90% of people will leave a site before Flash is loaded (back button) [ How do you feel watching an ever lasting "loading, please wait" animation??? ]2. Flash is not compatible with ANY mobile applications3. HTML5, soon to be implemented in most browsers, will outway Flash.Your choice!Cheers.Have another drink!
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Question : What trees would look good in my South Ajax Ontario Yard?
I have just removed a diseased Mountain Ash from my front yard and am looking to replace it with a similar sized tree. We are situated right by lake Ontario, in South Ajax. I think we are about a half zone different from the rest of Ajax as we have the most amazing Pear tree that gives us bushels of fruit every year. I would like the tree to be somewhat ornamental, not just your regular maple or oak.Thanks for your responses.
Answer:
How about one of the Callery Pears.....the ornamental pears....such as Bradford, Aristocrat, Chanticleer, etc? You could also grow a flowering cherry, even the Atumnalis Flowering cherry in addition to the better know Japanese style cherries. Something smaller, how about a hawthorn? Or a redbud? Summer flowering trees are a bit more uncommon but one for you would be Goldenrain tree. Interesting, but plant way in the back of the property because the Red shoulder bug loves these trees. They don't do damage, just hang around. So better away from the house unless you like mobil art as the little guys "hang out."
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Question : How do I refresh just a portion of a webpage using ajax?
I need a script that refreshes a portion (not the entire page) of a webpage every x-seconds. Could anyone recommend one or post a snippet that does such?I don't want to use i-frames, I prefer AJAX or something similar.
Answer:
I did it by putting the part that needs to be refreshed in a separate page, fileName.asp in this example.function callServer() {var head = document.getElementsByTagName('head').item(0);var scriptTag = document.getElementById('loadScript');if (scriptTag) head.removeChild(scriptTag);script = document.createElement('script');script.src = 'fileName.asp';script.type = 'text/javascript';script.id = 'loadScript';head.appendChild(script);}setInterval(callServer, 5000);Don't forget to put callServer() into the Body tag as an "OnLoad" statement to get it running.
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Question : Using Ajax, how do I stop returned data from effecting other elements on the page?
I have a simple email subscription form that uses Ajax to return a thank you message when someone enters their details. The thank you appears above the form but at the moment it effects the forms position and moves it downwards to make way for the thank you message.How can I stop this from happening (form moving downwards) keeping the form in a fixed position and the Thank you message still appearing above it?
Answer:
With the main element that contains the 'Thank You' message, you should change the CSS 'position' property to 'fixed'. This will display it relative to the browser window and above all the other elements. You can control its X and Y coordinates with the 'left' and 'top' CSS properties respectively. So the CSS declaration for the 'Thank You' message container might look like this:div.ThankYouMessageContainer { position:fixed; left:300px; top:250px;}with the DIV element looking like this:Sam
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Question : What's the best way to transfer a large html page over ajax?
I'm currently making a cms and stuggling to work out why I'm getting the 414 Server Error which means that the URI is too long when I'm using POST to send all my data over via AJAX.If you want the look at the code, please ask.
Answer:
Yes I need to see the code. (You can email me privately if you like.)When using the post method, content is sent by passing it as an argument to the send method, xmlhttp.open("POST","../ajax.php", true);xmlhttp.send("title=" + title + "&page=" + page + "&menu=" + menu + "&content=" + content);
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Question : What's the difference between GET and POST AJAX requests?
I've always done GET requests regardless, but I think I should probably look into it :P .The first question is if GET can be used for passwords. I know that it's generally considered best practice to use POST for password forms, but isn't this a bit different? Or am I wrong?Also, are GET requests more readily cached than regular HTTP requests? I know that POST requests are not cached whatsoever, but I've had no problems (thus far) with AJAX-GETs and caching.
Answer:
The difference is the same as any GET v. POST. With GET, the form data is in the URL, with POST it is not.POST only adds negligible security for passwords. You really need to use HTTPS. As for caching, I would expect GET to possibly be cached, but not POST. And of course, HTTPS is never cached.
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Question : How to use cURL to get data from a site with delayed Ajax calls?
I am trying to scrape data off a page using php with cURL. However the main content on the page is populated using a delayed ajax called, this means that the data I obtained will not contain the content I need. Is there a way to use cURL to initiate the page load but delay the data return until the AJAX on the remote page completes?
Answer:
AJAX is asynchronous Javascript and XML. The reason the data is not there is that the Javascript program must first run in order to download the data. Therefore, you are asking that cURL process Javascript. cURL does not provide Javscript support.If you wanted to design a solution yourself, you'd essentially write a Javascript compiler. As fun as that sounds, it would be very time consuming.You might be able to manually parse the Javascript to get the URL you need to download and generate it in your programming language of choice. This will require stepping through the Javascript line by line to see how it is retrieving the data.You could write a PHP page that calls cURL code and uses an output buffer to capture the output and manipulate it (look at the php manual page for ob_start and curl). This would require setting up a PHP server and retrieving the results from that page.
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Question : what is the difference between Diomedes and Ajax?
what is the difference between Diomedes and Ajax?? ( iam reading the Trojan War ). feel free to tell me anything else important about the Iliad or the Odyssey. thanks.
Answer:
Diomedes:He was born to Tydeus and Deipyle and later became King of Argos, succeeding his grandfather, Adrastus. In Homer's Iliad Diomedes is regarded alongside Ajax as the second-best warrior of all the Achaeans. He, his paternal uncle Heracles and his close companion Odysseus are the favoured heroes of Athena. In Virgil's Aeneid he is one of the warriors who entered the Trojan Horse shortly before the sack of Troy.Ajax:as a mythological Greek hero, the son of Telamon and Periboea and disciple of Salamis. He plays an important role in Homer's Iliad and in the Epic Cycle, a series of epic poems about the Trojan War. To distinguish him from Ajax, son of Oileus, he is called "Telamonian Ajax,""Greater Ajax," or "Ajax the Great". In Etruscan mythology, he is known as Aivas Tlamunus.
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Question : How to create Ajax like applications for offline use?
The most basic part for the Ajax applications is that there is no need to refresh page. Like google suggest. I want to build an windows application on any language which can provide search features like google suggest. Please tell me which language should I use and also how to achieve it.
Answer:
The most basic part for the Ajax applications is that there is no need to refresh page. Like google suggest. I want to build an windows application on any language which can provide search features like google suggest. Please tell me which language should I use and also how to achieve it.
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Question : How to make the back button and refresh button work correctly in AJAX?
I am building a website that uses AJAX and I am having trouble in how to make these buttons work correctly.If you have something to share please reply to this post. Your reply would be much appreciated.
Answer:
You can make these buttons work (more or less) correctly if you update the URL in your JavaScript function every time something happens in your AJAX to specify the state of the page, but you will have to code your server side to recognise the state and start the AJAX processing from there.I.e. normal request to /yourPage.yourExt == /yourPage.yourExt?startFrom=startWhen you get the first response from AJAX you should change your URL to /yourPage.yourExt?startFrom=state1, then /yourPage.yourExt?startFrom=state2...
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