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Daily tech links for .net and related technologies - November 21-23, 2009 Web Development ASP.NET MVC: Creating reports using Chart control T4MVC 2.5.01: added support for Html.RenderAction and Html.Action Web Application Configuration Analyzer (WACA) The Search Developer Story in SharePoint 2010 – Query Interfaces Using the Microsoft Ajax Library 3.5 with the CDN Microsoft AJAX Library Preview 6 & Data Binding Web Design User Interface Design Is Not About Lorem Ipsum And Pretty Boxes The Ultimate...( read more ) Read More...

I was asked the other day how to process a long running task asynchronously using ASP.Net MVC along with JQuery to update a progress bar on the view via Ajax. There are many ways of accomplishing this type of multithreading, in this blog I’m going to document one of the simplest and easiest to implement (this solution is really for small apps). Firstly, create a class that will manage the long running task – as this is a contrived example without the use of a database, the class is going to have static dictionary property that will store the unique key and status of each long running task. – the dictionary is used to allow for multiple users firing off individual long running tasks. using System.Collections.Generic; using System.Threading; namespace...

Another quick little fun thing today. Many times you might want (need) to hide the “New” button on a list toolbar. You know the one I mean? Why would you want to do such a thing? For example on a project I’m building I actually call the NewForm.aspx page with a querystring because I want to pre-populate my form with some vales. As such, I don’t want users to create new items in a list without these references and since they have to come from another list I’m left with the problem of trying to restrict them from creating new items but still offer them the ability to use the features of the list like alerts, exporting to spreadsheets, etc. Yes, the “New” button isn’t available for readers of a list but for contributors it is and for admins you...

A great VIDEO series on all the nice effects (and functionality) you can achieve with jQuery JavaScript library for those who know NOTHING about it. jQuery is a very powerful library. One of the first things I do when creating new project is to include the library in it. Microsoft is going to include it by default in ASP.NET web projects (All ASP.Net projects, not just MVC) starting Visual Studio 2010. Here are some few examples of what you can do with it (VIDEO): http://net.tutsplus.com/articles/web-roundups/jquery-for-absolute-beginners-video-series/?awesm=fbshare.me_EIez# Have fun jQuerying…   Technorati Tags: jQuery , Videos , Screencasts , Tutorial Read More...

Object Oriented JavaScript using Prototype Object   This document describes the benefit of using Object Oriented Approach in JavaScript Codes and implements Calendar Management component having a few functions like Add/Edit/Delete Events on selected date.   As we all know Object Oriented Programming (OOP) is a major part and practice for reusability. Most of the times even if we are following standard ways to code on server-side, we just forget or omit about client side structure of application. As a result it becomes hectic to manage later, when application is modified to release a newer version of the same.   As per my personal experience on the same, I found prototyping and object oriented JavaScript a perfect solution. There...

The Concept I created “ Ugly Outfitters ” to showcase the interaction between Infragistics Drag & Drop , jQuery and Microsoft Ajax Preview 6 . Why Ugly Outfitters? Well, I decided that rather than just dragging around some bland icons on the screen why not attempt to inject a little bit of humor into the process. Like I said... attempt ;) If you want to jump right in take a look at this short video demonstrating the application with a quick overview of the code: Note: Also available are higher quality versions of the video. What follows is an excerpt of the discussion of what’s found in Ugly Outfitters. The best way to get acquainted with the details is always to download the code and review it’s design. The Approach The page is constructed...

You’ve probably noticed that Jörn Zaefferer’s jQuery validation plugin has been gaining momentum in the ASP.NET community lately. Between Microsoft’s implied endorsement via ASP.NET MVC 2.0 integration and the plugin’s recent inclusion on the Microsoft AJAX CDN, adoption is only increasing. Unfortunately for those who don’t or can’t use ASP.NET MVC yet, using the validation [...] ### Originally posted at Encosia . If you're reading this elsewhere, come on over and see the original. Using jQuery validation with ASP.NET WebForms Read More...

Cropping images in ASP.NET is easy task to do if you use right tools. In this posting I will introduce how to crop images using Jcrop and System.Drawing namespace classes. What we are building is simple and user-friendly image cropping interface that also demonstrates some simple features of Jcrop. Believe me, your users will love it! Jcrop is jQuery based library that brings crop margins selection to client side. Before starting you need two (free) JavaScript libraries: jQuery Jcrop After downloading them create new ASP.NET Web Application project and unpack those libraries to js directory. Also copy file js/Jcrop/css/Jcrop.gif to root folder of your project and add image you want to crop to same folder. Expected result As a first thing we...

I wrote a post about a month ago about using xVal with NHibernate Validator 1.2 which solved a problem I was having upgrading the xVal ‘in-the-box’ provider to work with a newer version of NHibernate Validator . There was a caveat that my solution only worked for ValidatorMode.UseAttribute and I wouldn’t catch XML or Loquacious (or other?) validation.  This seemed to work OK, but Fabio Maulo wrote a comment to that post saying NHV has metadata which should be the same no matter which validation mode was used. So I decided to investigate how I could get the metadata without resorting to the NHibernate.Validator.Mappings validationMode specific engines (I was using ReflectionClassMapping, but there are others like XmlClassMapping). I think...

I’ve already posted twice about that little class browser application. The first iteration was mostly declarative and can be found here: http://weblogs.asp.net/bleroy/archive/2009/09/14/building-a-class-browser-with-microsoft-ajax-4-0-preview-5.aspx The second one was entirely imperative and can be found here: http://weblogs.asp.net/bleroy/archive/2009/10/15/entirely-unobtrusive-and-imperative-templates-with-microsoft-ajax-4-preview-6.aspx This new version builds on top of the code for the imperative version and adds the jQuery dependency in an attempt to make the code leaner and simpler. I invite you to refer to the imperative code (included in the archive for this post ) and compare it with the jQuery version, which shows a couple of ways...