Build ASP.NET Web Apps Faster

Ext.NET is a component framework built with ASP.NET and Sencha Ext JS
for quicker, better web app development.

Simple code Powerful components

Ext.NET Code

@(Html.X().Chart()
    .Height(350)
    .Width(350)
    .Series(Html.X().PieSeries()
        .Highlight(true)
        .HighlightSegmentMargin(20)
        .Label(new SeriesLabel
        {
            Field = new string[] { "Name" },
            Display = SeriesLabelDisplay.Rotate
        })
    ))

What is Ext.NET?

Ext.NET is an advanced ASP.NET (WebForms + MVC) component framework integrating the cross-browser Sencha Ext JS JavaScript Library.

Who is it for?

If you are looking to build a rich, modern web application with cutting edge web technologies, unparalleled cross-browser compatibility and an advanced MVC architecture then Ext.NET is for you!

Why should you use it?

Ext.NET is built for developers, by developers. We provide hundreds of Demos in our Examples Explorer. Need a little support? Check out our Developer Bundles.

Trusted by our customers

Everything you need to build a killer app

Plus a whole lot more

Ext.NET is built on top of established web technologies Ext JS and ASP.NET to create a full featured client-server web app solution. Check out some of the features that make Ext.NET the most advanced web app framework available today.

Rich Client API: Fully integrates with Sencha Ext JS JavaScript library.
Over 100 Components: Ext.NET features over 100 Components and 500 Demos for use in your ASP.NET WebForm and MVC Applications.
Large developer community: Collaborate with other Ext.NET users in the Forums.

One on One

Kickstart your Ext.NET productivity with One on One, a free Ext.NET consultation with one of our expert team members. Toss some ideas around, ask questions, pick our brains. We're at your disposal for an Ext.NET power session.

One on One is a new service we offer to Ext.NET customers who purchase a five or twenty Developer Bundle.

Great design, baked in

Ext.NET is built on top of Sencha Ext JS, the popular UI framework. This means all our components come with great theming options, allowing your app to fit together seamlessly with any design aesthetic.

No need to have a designer or CSS expert on your team, simply choose a theme and start building great looking, usable interfaces with ease. With Ext.NET, worrying about cross-browser compatibility or user experience issues is a thing of the past.

More options for developers

Ext.NET takes the pain out of building apps. Check out the Examples Explorer to see just how easy it is to build your next app with Ext.NET.

There are over 100 components for use in your application and ASP.NET WebForms and MVC are fully supported (including Razor).

Now even easier to learn

Over 400 Pages! book

Ext.NET Web Application Development (published by Packt) makes learning Ext.NET easier than ever. Pick up a copy today and start building amazing ASP.NET applications with ease.

Build rich web applications using the power of Ext.NET.
Leverage Sencha’s popular Ext JS JavaScript framework to provide a full client-server web development experience.
Build polished working applications, with clear step-by-step instructions all the way.