Custom Validation in ASP .NET MVC 3 using Data Annonations Model Validator
Article by Mayuraegis
Custom Validation in ASP .NET MVC 3 using Data Annonations Model Validator – Computers – Programming
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This article will demonstrate implementation of custom validation rules in ASP.NET MVC3 for offshore .net developers. MVC3 is an extensible framework that makes .net developers to add user defined specific custom validations with the use of custom data annotations. Considering present outsource .net development scenario the .net developers need to develop an application for Loan processing system.
In your system it will ask the customer to enter his details including Name, Salary etc. If the loan is to be processed then there is a rule that the Salary must be more than or equal to Rs 20000/-. Considering common scenario end-users need to be provided with the feedback details by which en error message would be displayed on the screen if end-user enters below the specified amount.
In case of implementing custom validation and applying it to use Data Annotations your class must inherit from ‘ValidationAttribute’ class. This class is the base class for all standard data annotations types.
The first step would be to open VS2010 and create a new ASP.NET MVC 3 project. .Net developers need to name it as ‘ASPNET_MVC3_Custom_ModelValidation’.
The next step is of adding a new folder in the project and named as ‘CustomizedValidators’. Add a new class file named as “CustomValidator.cs” in this folder. This class contains custom validation class and data annotations class. Dot net developers need to write the below code:
“ValidationAttribute” class inherits the SalaryAttribute class. The SalaryAttribute class overrides the ‘IsValid()’ method of the base class. An object of “ValidationResult” class would be returned by this method. Acontainer for the result of validation reuest is represented by this class and “minSalary” member is validated by the method that currently had implemented it. Here when the salary is entered below the specified amount by the end user he will receive an error message because the ValidationResult class would not return “Success” back to UI.
The ‘SalaryValidator’ class gets inherited from DataAnnotationsModelValidator<T> class while providing with a model validator for the specific type. For defining client validation against the specific field the method “GetClientValidationRules” is used.
The third step would be to addition of a new class file in the Model folder and then name it as ‘ModelClasses.cs’. Add the following model classes in it:
Locate the “salary” property from “Customer” class and the attribute “Salary” would be applied with the defined salary value in the constructor.
The fourth step would be adding CustomerController in the folder Controllers with code as below:
The Create () method with HttpPost attribute is used for defining the logic to create a new customer by making calls to ‘CreateCustomer()’ method of the DataAccess class. With the use of ModelState.IsValid the model state is checked by the logic and it validates if the model state dictionary is valid or not.
Fifth step would be adding Index and creating views with right click on the controller methods like Index and Create. For views as customer select the Model class.
Sixth step would be to make changes like “Layout.cshtml” file in the shared folder: @Html.ActionLink(“Customer”, “Index”, “Customer”)
Seventh step would be to run the application and click on the “Customer” tab and it would be displayed as:
Click on the Create New link and the Create view will be displayed as shown below:
Enter values for CustomerName and City, keep Salary value as default and click on Submit. The result will be as shown below:
We have learnt from this article that for model validations a flexible mechanism is provided by an extensible framework like MVC 3. Benefit of creating a separate validation attributes class is that it can be reused across various models as per needs.
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Mayuraegis
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Tekpub – Mastering ASP.NET Ajax Library (2011)
In this series Craig Shoemaker walks through the new ASP.NET Ajax Library. Craig will cover how to use the ScriptLoader, DataView Control, DataContext Control, Observer Framework, and how to work with WCF Data Services. Craig will cover how to use the library in pure HTML or with ASP.NET WebForms or ASP.NET MVC.
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Use Dot Net Frameworks not to Get Lost in the Virtual Reality
Article by Mahendra Sharma
Use Dot Net Frameworks not to Get Lost in the Virtual Reality – Web Development – Programming
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Compare Magento and ASP (Znode)
Article by Jezz
Compare Magento and ASP (Znode) – Internet
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What is Magento?
Magento is an open-source ecommerce platform which was launched on March 31, 2008. Magento was created by Varien and it is built on Zend Framework. Magento is an Open Source eCommerce Software which is full of features alongwith flexibility.
What is Znode?
Znode Storefront is an ASP.NET 2.0 solution which is specialized in secure, scalable e-commerce solutions driven by customer needs.
Community
Magento is having the largest community for their users. They have a Wiki section and allow the community to contribute.
Since Znode is not an open source like the others, it does not appear to have much of an active community.
User Interface / CSS
Magento provides good user interface as compare to others by utilizing Scriptlicious, AJAX, and tagging it has Web 2.0 written all over it. It comes with a wide array of features “out of the box.”
Znode offers a structured CSS and Master Page system setup which is good for customization. The admin area in Znode allows the users to edit the CSS via a form textbox which is also in WordPress.
Coupon System
Magento providean advanced coupon system. Apart from (%) percentage off or ($ )dollars off coupons, it also allows for conditional based coupons to be created.
Znode Storefront allows for dollars off or percentage off coupons.
SEO- Search Engine Optimization
Metadata – Magento and Znode both allow the editing of website’s metadata.
URL Optimization – As far as SEO is concerned, SEO friendly URLs of website play an important role to increase search engine rankings. This is also an important factor in SEO and in human readability. Magento is more SEO friendly and provides SEO friendly. Here are some sample product URLs of Magento and Znode.
Magento URL
/variety/friendship-flowers/a-best-friend-believes.html
Znode URL
/storeproduct589.aspx
Conclusion:
To conclude, I must say that Magento is preferable over Znode due to various reasons such as SEO friendliness, Open Source Software, attractive user-interface etc. But at the same time I must admit that Magento is a little complex too. For editing a singal file, one needs to go through several files.
You can Hire Magento Developers or any Magento Development Company for magento development. If you incurr some money on hiring these services, it will pay you back for sure.
Znode Storefront
At 500 bucks for the Standard version this is the solution I ended up choosing for the project. I felt the most comfortable (maybe because I was paying for it!) with the software. Here are some key reasons:
I needed the Admin area to be easy enough to teach the client. The template it comes with is nice enough where not a lot of customization is needed.The images are automatically resized for the Admin.
Magento Commerce
Magento seems to be very easy to build on. They’ve got a good comunity and lots of documentation already. Although they only have a few payment systems, they got a nice writeup on creating new Payment Modules. Through this process I did the least amount of testing with Magento, so I can’t say too much more about it. This was because it is PHP based and since it isn’t available for production environments yet it wasn’t a likely choice to begin with.
However, I would definitely keep an eye on this going into 2008. It looked pretty enough on the outside to make me consider moving from ASP.NET to PHP for the project. If this project was six months down the road I may have chosen this solution. If I was a competitor I would look at all the things they are doing right and take notes.
About the Author
My name is Jezz. website name is http://www.expertmagentodevelopers.com which provides Magento Development services such as Magento Extensions, Magento Customization, Magento Integration Services.
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Jezz
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Marc Martin Announced as C12 Area Chair for Wisconsin
Greensboro, NC (PRWEB) October 02, 2011
Marc Martin Announced as C12 Area Chair for Wisconsin
The C12 Group announces Marc Martin as the C12 Chair for the Central and Northeastern Wisconsin area. C12 is the US leading provider of Christian roundtables for CEOs and business owners. We are excited to expand C12s presence into Wisconsin. Marc looks forward to building great businesses for a greater purpose, says Don Barefoot, CEO and President of The C12 Group.
The decision to apply my God-given business experience to the role of C12 Chair has been a rewarding one. I look forward to joining with other like-minded Christians to form the first C12 Groups launching in Wisconsin in October, states Martin.
C12 Groups are designed for CEO/Owners who desire to grow their businesses into all they can be in both success and significance. They focus on life-long learning and interaction among business professionals through best practice business and ministry materials that incorporate Biblical principles.
Founded in 1992 by Buck Jacobs, a dedicated Christian, author and CEO, C12 is a growing network of more than 100 groups in 60 metro areas across America. The groups are comprised of Christian CEOs and business owners who seek to grow professionally and spiritually with other like-minded executives.
If you would like more information on Wisconsin C12 groups, please contact Marc Martin at marc(dot)martin(at)c12group(dot)com. Or visit the website at http://www.c12centralwi.com.
The C12 Group
Packt Publishing’s collection of .NET Framework books are now all available on Kindle
UK (PRWEB) January 14, 2012
Birmingham: The .NET Frameworks stack of tools and its flexibility has made it a developers best friend, and Packt Publishing – one of the worlds leading publishers of Microsoft focused technology books and eBooks – is pleased to announce that all its .NET and ASP.NET books can be found on Amazon’s Kindle platform. Titles include: WCF 4.0 Multi-tier Services Development with LINQ to Entities, ASP.NET Site Performance Secrets, .NET Compact Framework 3.5 Data Driven Applications, and more.
Amazon’s Kindle platform has established itself as the leading ebook reading and distribution channel recently, and Packt is pleased to announce that its wide range of .NET framework focused titles can now be found there. Over the years, Packt has published a significant number of .NET focused books, including titles such as:
WCF 4.0 Multi-tier Services Development with LINQ to Entities. WCF is the Microsoft model for building services, whereas LINQ to Entities is the Microsoft ORM for accessing underlying data storage. Mastery of these two topics will quickly enable developers to create Service-Oriented Applications, and enter the world of Service Oriented Architecture without becoming overwhelmed. This book is the quickest and easiest way to learn WCF and LINQ to Entities in Visual Studio 2010. Through this book, the readers will learn what’s going on behind the scenes with WCF, and dive into the basic yet most useful techniques for LINQ to Entities.
Amazon Web Services: Migrating your .NET Enterprise Application. Amazon Web Services is an Infrastructure as a Service (IaaS) platform in the Cloud and provides the enterprise with the flexibility to choose different solutions, ultimately reducing costs by utilising pay-as-you-go pricing. This step-by-step guide illustrates how to move an Enterprise .NET application to Amazon and covers business strategy and in-depth implementations. It includes details involved in moving an application to Amazon and discusses how to map requirements against the Amazon Cloud, as well as securing and enhancing application with AWS.
Other titles available on Kindle include:
Microsoft Windows Workflow Foundation 4.0 Cookbook
ASP.NET 3.5 Application Architecture and Design
ASP.NET 3.5 Social Networking
ASP.NET 4 Social Networking
ASP.NET Site Performance Secrets
ASP.NET jQuery Cookbook
ASP.NET 3.5 CMS Development
ASP.NET MVC 2 Cookbook
.NET Compact Framework 3.5 Data Driven Applications
New titles.
In early 2012, Packt is due to publish two further titles: Entity Framework 4.1: Experts Cookbook and a .NET Generics 4.0 Beginners Guide. The .NET Generics 4.0 Beginners Guide book discusses everything developers need to start writing type-safe applications with generic data structures available in Generics API. It is full of practical examples, and teaches best practices and several patterns. This book includes the generic algorithm definitions present in Power Collection but which are missing from the .NET framework. Some very interesting problems are solved using generic containers from .NET framework, C5, and PowerCollection Algorithmsa clone of Google Set and Gender Genie for example. Both of these books will be available on Kindle upon publication.
Updates about Packts Microsoft books can be found on Twitter at: @PacktEnterprise
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A Crazy Death Match Between Asp.Net And Ruby On Rails!
Individuals are finding out new and improved ways to do programming online. As of now there are about 2500 different kinds of computer programming languages. Some of these are more archaic than others and some are more popular than others. Today we’ll be talking about the differences and the advantages of both ASP.net and Ruby On Rails.
First off, Ruby On Rails provide a link-to-remote option. In a lot of cases people do consider Ruby On Rails the better programming language to go with. Its fun, it’s fairly easy to work out the configurations if you know what you are doing (which could take some practice) and it’s certainly one of the languages where everything just seems to fit together rather nicely.
The problem is that Ruby On Rails does not work well with Windows though they have a really nice framework option. It works much better on Linux, but this is a problem in itself since many individuals would rather it have the option for both or for Windows alone. As far as ASP.NET goes – many individuals really enjoy the Visual Studio benefit.
Visual studio is a technological experience by itself. It is a very mature environment and has a really superb debugger program. Visual Studio has been out for quite a whole, bit ASP.NET has a really poor documentation as far as MSDN goes. Also, if you’re seeking a steady job in the design or programming industry, you’re going to find that more jobs are provided in ASP as compared with Ruby On Rails.
On the other hand, ASP has a high cost on ownership. There are many jobs available, but it seems as if the economy does not run well with ASP since it’s also a lot more expensive hire individuals to do a programming language like this. Also, ASP.NET has a model view controller that has been noted as being “less than stellar”.
Rails pressures MVC on you, but it actually works just fine. MVC is an optional nightmare in ASP.NET, unless your manager is of that all too frequent variety that prefers buzzwords over common sense in which it becomes a postulated nightmare! All in all, the language you pick is really going to depend on you, as well as the programmer you use to build your web-site, platform or application data.
If worse comes to worst you can always save yourself a ton of cash and teach yourself how to code these languages on your own. In this case, you will without a doubt need some documentation to aid clear things up for you. Its easier said than done when it comes to building some, even something so simple as a minimalistic site.
Thankfully for us, help is on the way in terms of tutorials and videos to assist you get started. In fact, there are a lot of websites online which provide FREE “how to’s” like, jQuery Tutorial, ASP Tutorial, ASP. NET tutorial or CSS. As mentioned above, these are either going to be wordy documents with samples or they could be videos which show you exactly how to program into these languages as well as popular terms you need to know!
Programming is not the easiest activity in the world, but like most anything else, if you stay tolerant, read all you can, and put your work into action, you would be able to wind up learning a lot of things about computer programming languages which can lead to all sorts of things.
More importantly, it’ll make you the master of your own domain and allow you to design and program your own applications and sites so that you would not need to depend on anyone else and you can end up saving a buck or two which is always a good thing.
It is just a very simple and quick way to learn about terms and equations which you’ll need to know when dealing with coding. Use the http://sitepoint.com which provide jQuery Tutorial, ASP Tutorial, ASP.NET tutorial or CSS whenever and however much you want.
Article Source:
http://EzineArticles.com/?expert=Linda_L_Taylor
Instant Helper – Ultimate Tutorial Software For Programmers
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Cheap Windows Hosting 2012 for $3.5/mo Only
San Francisco, CA (PRWEB) April 18, 2012
The leading web hosting discount website Top-Cheap-Web-Hosting.com (TCWH) announces that Arvixe is the best cheap Windows web hosting provider for 2012 for personal and small businesses, based on their latest cutting-edge Microsoft technology, responsive support, and affordable pricing.
Arvixe is the fast growing web hosting company providing nearly all levels of web hosting solutions including shared web hosting, VPS, dedicated server, and reseller based on both Windows and Linux platform. So far, they have a hundred employees and over 500 web servers serving for half a million domains and websites.
Arvixe has launched their Windows web hosting since 2003. Their rich experience on Windows platform allows them to deliver the high quality Windows web hosting service at budget price. Their Windows web hosting is starting from $ 5/mo, but all clients can get an additional 30% discount per order for $ 3.5/mo only by using a secret Arvixe coupon code which can be found at http://www.top-cheap-web-hosting.com/arvixe-coupon-reviews/arvixe-asp-net-hosting-coupon-reviews.
In the past 5 years, as a web hosting review site, TCWH had received many testimonials for their budget Windows web hosting plan for their quick response and problem resolution. As one of their existing customers Mike said, “I’ve been with many Windows web hosts for 4 years for my DotNetNuke sites, but I’ve ever seen a web host doing the great job as Arvixe especially at such low rate.”
Arvixe Windows web hosting is built on the latest Windows Server 2008 R2 and IIS 7.5, delivering the following latest cutting-edge features.
# 1 Free domain for life
# Allow to host 6 domains on 1 account
# IIS 7.5 dedicated application pool with 128MB memory
# .NET Framework 1.1, 2.0, 3.5SP1, 4.0
# MSSQL 2008 R2 – unlimited databases
# WebSitePanel Control Panel
# Private SSL and Dedicated IP Address Allowed
TCWH had also come out a list of top 5 Windows web hosting provider including DiscountASP.NET, HostGator, WinHost, MidPhase, besides Arvixe. If you’re a ASP.NET developer, visit http://www.top-cheap-web-hosting.com/windows-web-hosting/best-asp-net-web-hosting/ for more information about Windows & ASP.NET web hosting.
About Top-Cheap-Web-Hosting.com
Top-Cheap-Web-Hosting.com (TCWH) is a leading web hosting review & rating website, designed to help people find the best web hosting deal at an affordable rate based on their true experience and the real customer voice. Visit Top-Cheap-Web-Hosting.com for more information about web hosting review, rating and promotion.
Web Design India Company, Profit By Outsourcing, Announces Launch of its Ruby on Rails Development Services
Delhi/NCR (PRWEB) May 04, 2012
Indias #1 Web Development Company, Profit By Outsourcing, announced the launch of its Ruby on Rails Development Services that will enable enterprise mobility for its customers their end users. Service areas would be Client Professional Services and Customer Support. The focus would be to reduce customer response time, increase customer satisfaction and create additional channels.
Profit By Outsourcing is now offering Ruby on Rails web development solutions. Profit By Outsourcings Ruby on Rails developers develop web 2.0 applications using Ruby on Rails web solutions. Profit By Outsourcings highly dedicated professionals provide sustainable solutions, quality service and provide support for this high-tech open source technology.
Ruby on Rails is an object oriented language with features similar to PERL, Python, Small talk and Lisp. It is an open source web development framework which can help in developing data-driven web applications. Ruby on Rails is easy to maintain and manage. It includes superior application Some of the main features of Ruby on Rails:
MVC architecture
Database Access Library
Libraries for common programming tasks like form validations, sessions management, etc.
AJAX Library
Convention over configuration
Customized OR Search Engine friendly URLs
Detailed error logs are provided
Web Development India, Profit By Outsourcing
Profit By Outsourcing is an Offshore Web Design India & Web Development Company, specializing in PHP Programming, ASP.Net Programming, AJAX Programming, RoR Programming, Custom programmed Content Management & E-Commerce Solutions/ Open source Customized Content Management & E-Commerce Solutions, Web 2.0 Designing ( 100% table less or div based designs) developed in xhtml / css as per the w3c guidelines and Rich Internet Applications (RIA’s) are applications built using Adobe Flash Flex AIR Action Script, Adobe Flex, Adobe Flex(AIR), Microsoft Silverlight, Sun JAVAFX & AJAX and Web 2.0 Application Development.
Visit http://www.profitbyoutsourcing.com or call (888) 322-7617 for more information about Web Development and other services provided by Profit By Outsourcing.