ajax

A collection of 22 posts

kendo-ui

PSA: Don't Trust Autocomplete

Here’s a little tip that we developers all should know. This post is a little about the Kendo UI Grid, a bit about ASP.NET MVC, but more about “common sense.” So let’s get started… Kendo UI Grid I’m using Kendo UI’s grid for a few

blockui

One Off Overrides of ajaxStart

As I’m sure you guessed from earlier posts, I’m using BlockUI in an MVC application. I have various calls using jQuery’s $.ajax method throughout my application. For the majority, I want to show a “Please Wait” message, and BlockUI makes this simple. Since most of my calls

ajax

Getting ActiveTabChanging Functionality from the AJAX TabControl

I have always considered myself to be quite client-side challenged. Having been soured to the thought of JavaScript by all the browser specific code I used to have to write years ago I swore off it and took to server-side development and never looked back. After a year’s hiatus

ajax

ASP.NET 4.0 AJAX Issues

I’ve been using ASP.NET AJAX 4.0 quite a bit lately in ASP.NET 3.5 applications.  I encountered two issues tonight, and I hope this post saves someone some grief. The first problem has to do with referencing the ASP.NET AJAX 4.0 library within an

ajax

ASP.NET AJAX 4.0 and the ScriptManager Control

I have been using ASP.NET AJAX 4.0 quite a bit lately, as I’m sure most of you are aware from my recent posts. In those posts, I used standard HTML script references to show that ASP.NET AJAX is not reliant upon ASP.NET. I realize that

ajax

ASP.NET 4.0 AJAX - Preview 4 - Data Binding

Throughout the course of my introductory posts on ASP.NET AJAX 4.0, we looked at the new [DataView control][1] as well as the [Sys.Observer class][2], which brings the Observer pattern to plain JavaScript objects. The new ASP.NET AJAX release is very exciting offering powerful new

ajax

ASP.NET 4.0 AJAX – Preview 4 – JavaScript Observer Pattern

In my last post on ASP.NET AJAX 4.0, we took a look at the new DataView ASP.NET AJAX control. We saw that by using a DataView, we could easily bind data with JavaScript or declaratively with a few attributes. In this post, we’ll look at another

ajax

ASP.NET 4.0 AJAX - Preview 4 - Client Templates

A little over a month ago, Microsoft released the fourth preview of ASP.NET 4.0 AJAX. This is the new release of the Microsoft AJAX Framework that will be released with ASP.NET 4.0. We’re getting closer to the RTM release of .NET 4.0 (hopefully later

ajax

My Wrox Blox Books – Now on Amazon!

I just happen to be browsing Amazon today and noticed that my Wrox Blox books are available for purchase on Amazon.com. Pretty cool stuff! They were listed up there before, but weren’t available directly through Amazon until now. For a full description and the table of contents of

asp.net

ASP.NET AJAX Page Methods

If you’ve read things of mine, such as my Wrox Blox Hands On ASP.NET AJAX Control Toolkit, or posts on the ASP.NET Forums, you may have noticed I talk about using ASP.NET AJAX Page Methods lots of the time. Lots of developers using ASP.NET AJAX

ajax

Dynamic AJAX Control Toolkit - ValidatorCallout Extender

I added one of these a while ago and figured I would include another. Dynamic AJAX Toolkit Controls seem to really be an issue for some, so I hope this helps. This time, we will create a dynamic ValidatorCallout for a TextBox with a RequiredFieldValidator (although you can use any

asp.net

AJAX Control Toolkit - DropDownExtender Always Visible

Today I came across a problem of making the DropDownExtender appear as if it is a standard drop down like it is when you hover over it (as shown in the image to the right). Initially I was thinking you could do something with the Animation framework, but after a

asp.net

AJAX Control Toolkit - Layout Problems

A real common problem with using the AJAX Control Toolkit revolves around the rendering of the controls. Taking an example from the ASP.NET Forums, let’s say you have a Tab Control on your page. Everything looks ok, and then you run it. You notice that there is a

asp.net

Wrox Blox - ASP.NET AJAX Control Development with Visual Studio 2008 and .NET 3.5 Framework

I’m happy to announce that my second Wrox Blox is done and available for purchase as of today! As you may remember, back in January, my first Wrox Blox on the ASP.NET AJAX Control Toolkit was released. Now, continuing with the ASP.NET AJAX theme, the new Wrox

asp.net

ASP.NET AJAX Control Development and the Chatty onMouseOut Event

If you have been working on developing ASP.NET AJAX web controls, there is a good chance that you may have encountered some issues with the onMouseOut event. The issue comes about when you are developing a container-type control (e.g. a Panel or DIV) and you wish to capture

asp.net

Modal UpdateProgress for UpdatePanel - Revisited

Back in September 2007, I posted an article which described a way to “disable” an UpdatePanel (or more specifically an entire page) by using a modal UpdateProgress control. This solution would allow developers to stop users from clicking on other items on the page while the UpdatePanel is processing. The

asp.net

Dynamic AJAX Control Toolkit - Calendar Extender

Often times, I have encounter questions regarding dynamically creating controls, specifically ones related to the ASP.NET AJAX Control Toolkit. Today, I was working with an application where I needed to create a dynamic  CalendarExtender and thought I would post the results. Here is a simple example of how to

ajax

Wrox Blox - Hands On ASP.NET AJAX Control Toolkit

I hope everyone had a good holiday, I apologize for not posting anything new in the past couple of months. Things have been very busy with everything going on lately. I happy to say that I can check one thing off the to-do list! For those of you that may

asp.net

ASP.NET AJAX ScriptManager JavaScript Files

I have been doing a bit of experimentation with ASP.NET AJAX (in this particular case .NET 3.5) and came across a nice feature of the ScriptManager and what it renders for the Microsoft AJAX JavaScript files. I just thought this sheds a bit more light on the operations

ajax

AJAX Control Toolkit - Tab Control - Themes

There seems to be a lot of issues on the [ASP.NET Forums][0] with “Theming” the AJAX Control Toolkit’s Tab Control. There are lots of requests for samples ([one example][1]), but there are limited resources out there. Looking at the [Tabs sample page][2], you will find

ajax

ASP.NET AJAX / UpdatePanel “Not Working” – Common Problems

“ASP.NET AJAX / UpdatePanel aren’t working…” – this is probably the number one complaint/question found on the ASP.NET AJAX Forums. I decided it would probably be a good idea to discuss some of the common issues I’ve seen: 1. xhtmlConformance – This is a common gotcha as described

ajax

Modal UpdateProgress for UpdatePanel

If you are interested in this topic, you should check out the new post: “Modal UpdateProgress for UpdatePanel - Revisited” on this topic. The solution in this post had some issues that have been corrected in the new post. I’ve seen a lot of requests on the ASP.NET