With Microsoft’s excellent support, legacy .Net applications run like well-oiled machines. .Net is one of the most robust web application development frameworks to date. Yet upgrading applications to latest ASP.Net 4.5 framework makes a lot of sense. ASP.NET 4.5 frameworks allows to modernize applications and realize a host of benefits. By modernizing legacy applications, organizations become efficient and productive. Developers can leverage ASP.NET 4.5 features to build optimized and robust web applications.

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Upgrading your legacy .Net Applications
to Microsoft ASP.NET 4.5 Framework
With Microsoft’s e cellent support, legac .Net applications run like well-oiled machines. .Net is one of
the most robust web application development frameworks to date. Yet upgrading applications to latest
ASP.Net 4.5 framework makes a lot of sense. ASP.NET 4.5 frameworks allows to modernize applications
and realize a host of benefits. By modernizing legacy applications, organizations become efficient and
productive. Developers can leverage ASP.NET 4.5 features to build optimized and robust web
applications.

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Why Upgrade to ASP.net 4.5 Framework ?
The ASP.net 4.5 comes with host of new features and enhancements. The latest framework allows
developer to offer intuitive and responsive web applications and websites.
The ASP.net 4.5 framework is divided into two parts:
 ASP.net sites
 ASP.net services
ASP.net sites are most suited for website and mobile application development. ASP.net services focus more on
web application development.
ASP.net sites
Web Forms
Event based development
model. Drag and drop server
controls, server events and
application management
features are available with
web forms. Web forms best
suited for Rapid application
development with powerful
data control.
MVC
Primarily for Model, View,
Controller (MVC) pattern
based development. Offers
complete control over mark-
up languages. Best suited for
developing simple, intuitive,
mobile devices based
applications/pages. MVC
supports agile development
with latest web standards.
Web Pages
Razor syntax based development model.
Built-in templates and helpers provide
complete control over mark-up. Tailored
made for building aesthetically designed
and highly responsive websites and web
applications.
SPA
Single Page Application (SPA) allows
building applications with client-side
interactions. Supports HTML5, CSS3, and
JavaScript. It is best suited to build single
page interactive dashboard apps.

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Top Features of ASP.net 4.5 framework: Compelling Migration
Web Sockets
The ASP.net 4.5 framework offers complete support for Web Sockets. Developers can make use Web Sockets to
bring in real-time Web functionality in applications. Feature Examples: Periodic updates of Flash news and live
scores.
Extensive Mobile Application Development Support
Developers can seamlessly develop Mobile applications with complete HTML5 support. The ASP.net 4.5
framework also includes a list of mobile templates. A list of mobile device emulators is available for
development in Visual studio 2012.
Complete HTML5 Support
HTML5 form types are also supported. The list of new controls available in HTML5:
• Date pi kers i.e., date, o th, week, ti e, date ti e, date ti e-local
• Sear h
• Nu er
• E ail
• URL
• Colour
• Ra ge
ASP.net services
Web API
Primarily used for
developing HTTP services.
HTTP services are utilized
by large number of clients
such as Mobile devices,
tablets and browsers.
SignalR
Easily add real-time web-
functionalities using
SignalR. Instantly pushes
content/data, once it is
available. Instead of
waiting till the client
requests new data.
Visual Studio 2015
Comprehensive set of tools to write,
edit and modify codes. Validate and
correct bugs in the programs. Build
applications for multiple platforms
such as Windows, Mobile platforms,
web services and web applications.

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Bundling and Minification
Bundling and minification feature helps to bundle and minimize the size of the scripts and style sheets. This
feature has a great impact on the performance of your web application as a whole.
Enhanced Async Programming Support
Simply read and write the HTTP request and responses. OS threads are no more required to perform the read
and write actions. Additionally two new keywords await and async supported.
Value Providers/ Data Filters
Use value providers/data filters to get the specific data based on the following parameter values.
• Control Value
• Cookie
• Session
• Query String
• Custom value providers can be added
Model Binding: Independent Web Forms
Develop webforms that are independent of the model populating the view. Webforms allows developers to unit
test each model.
OAuth Logins: OpenID Support
With OpenID for OAuth logins, easily use external login services to log on to applications. Register the OAuth
provider in App_Start/AuthConfig.cs file for higher reliability and security.
Improved Paging: Greater Grid View Control
GridView_AllowCustomPaging offer flexible paging control. It helps to sort large amount of data efficiently.
Web API
The ASP.net 4.5 framework supports REST to build applications. Web API provides extensive OData support.

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Embracing Open Source
ASP.net 4.5 framework embraces Open source to larger extent than ever. This has helped Microsoft to offer
great support for HTML5 and JavaScript along with jQuery libraries. Building windows applications using open
source offers greater flexibility and quicker development methods.
ASP.net 4.5 Framework Adoption
From large enterprises to SMBs, all are adopting ASP.net framework 4.5. The 4.5 framework offers rich features,
better performance and supports agile development. The most critical aspect of migration is to make sure .Net
4 framework applications work well on .Net 4.5 framework. Many of the large enterprises have hundreds of
machines running on .Net 4 framework. It is important for them to have hassle-free migration to .Net 4.5.
Product and web-development organizations look forward to upgrade to ASP.net 4.5 framework. This migration
helps organizations to offer highly functional and intuitive web applications.
The .Net 4.5 framework offers the following benefits to developers and developer organisations.
 Enhanced and Updated Libraries
 Faster time to market
 Decreased development, testing and maintenance timelines
 Lesser development costs
 Highly optimized performance
 Multi-Core JIT improvements
 ASP.net 4.5 framework is default on Windows server 2012
1
4.5 framework offers improvements to site density and startup latency on Windows Server 2012 R2 Preview. We
were able to host about 7 times more ASP.NET sites, with 90% reductions in startup time.
Time to Upgrade: ASP.net 4.5 Framework
Great features and continuous support makes migration to ASP.net 4.5 framework, a big tick in the box. ITCube
leverages the new features in 4.5 framework to deliver scalable, robust, high-performance web applications.
1
http://blogs.msdn.com/b/dotnet/archive/2013/06/26/announcing-the-net-framework-4-5-1-preview.aspx

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ITCube delivers a wide range of comprehensive solutions in the following key areas.
 .NET Desktop and Web Application Development
 .NET Software Product Development
 Migration of Web and Desktop Applications to .NET
 Web Services Based .NET Application Development
 Mobile applications based on .NET Compact Framework
Migration Process from Legacy Application to ASP.Net latest version
 Overall the migration process is carried out in four steps.
 ITCube experts evaluates the existing legacy application source code in details.
 Automatic conversion is performed with the help of tools.
 If the automatic conversion fails to migrate all the components and results in error, then manual error
resolution is performed.
 Once the process of conversion is done then the upgraded system is compared and tested against the
original system.
Evaluation
Automatic
Conversion
Manual
Conversion
Evaluation
against Original
System