Version History Of Asp.net
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.NET FRAMEWORK 3.5 & 4.0
FEATURES
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Overview of the .NET Framework
• The .NET Framework is a new computing platform that simplifies
application development in the highly distributed environment of the
Internet.
• ASP.NET is a web application framework developed and marketed
by Microsoft to allow programmers to build dynamic websites, web
applications and web services.
• Common Language Runtime – provides an abstraction layer over
the operating system
• Base Class Libraries – pre-built code for common low-level
programming tasks
• Development frameworks and technologies – reusable,
customizable solutions for larger programming tasks
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The .NET Framework allows we to:
• Apply common skills across a variety of devices, application types,
and programming tasks
• Integrate with other tools and technologies to build the right solution
with less work
• Build compelling applications faster
• The .NET Framework helps software developers and systems
administrators more easily build and maintain systems with
improvements toward performance, security, and reliability.
• Most consumers will never notice that the .NET Framework is
running on their Pocket PC, Smartphone, or desktop computer. But
they may appreciate the reliability, ease of use, and ability to
connect to other systems that the .NET Framework helps bring to
computers.
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The .NET Framework allows we to:
• The .NET Framework will enable developers to develop applications
for various devices and platforms like windows application web
applications windows services and web services.
• The .NET Compact Framework version 3.5 expands support for
distributed mobile applications by including the Windows
Communication Foundation (WCF) technology. It also adds new
language features such as LINQ, new APIs based on community
feedback, and improves debugging with updated diagnostic tools
and features.
• Tools for developing software applications, run-time environments
for software application to execute, server infrastructure, value
added intelligent software which helps developers to do less coding
and work efficiently.
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Windows Communication Foundation (WCF)
• Windows Communication Foundation (WCF) is designed to offer a
manageable approach to distributed computing, broad
interoperability, and direct support for service orientation.
• WCF simplifies development of connected applications through a
new service-oriented programming model. WCF supports many
styles of distributed application development by providing a layered
architecture. At its base, the WCF channel architecture provides
asynchronous, untyped message-passing primitives. Built on top of
this base are protocol facilities for secure, reliable, transacted data
exchange and broad choice of transport and encoding options.
• The typed programming model (called the service model) is
designed to ease the development of distributed applications and to
provide developers with expertise in ASP.NET Web services, .NET
Framework remoting, and Enterprise Services, and who are coming
to WCF with a familiar development experience.
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Problem Example
The following example illustrates some of the problems that WCF
addresses. A car rental company decides to create a new
application for reserving cars. The creators of this rental car
reservation application know that the business logic it implements
must be accessible by other software running both inside and
outside their company.
Accordingly, they decide to build it in a service-oriented style, with
the application’s logic exposed to other software through a welldefined set of services. To implement these services, and thus
communicate with other software, the new application will use WCF.
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Over its lifetime, the rental car reservation application will likely be
accessed by a range of other applications. When it is designed,
however, the architects of the rental car reservation application know
that its business logic will be accessed, as shown in the preceding
figure, by three other kinds of software:
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Windows Presentation Foundation(WPF)
•
Windows Presentation Foundation (WPF) provides developers with
a unified programming model for building rich Windows smart client
user experiences that incorporate UI, media, and documents.
• The WPF development platform is built on a core programming
system, which is extended to support a broad set of application
development features, including the application model itself,
resources, controls, graphics, data binding, documents, and
security.
• WPF also offers a new markup language, known as XAML which is
an alternative means for defining UI elements and relationships with
other UI elements .It also enables rich control, design, and
development of the visual aspects of Windows programs.
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ASP.NET
•
The .NET Framework 3.5 includes enhancements in targeted areas
of ASP.NET and Visual Web Developer. However in ASP.NET 3.5,
ASP.NET AJAX is integrated into the .NET Framework. The
Microsoft AJAX Library supports client-centric, object-oriented
development, which is browser-independent.
• By using the library classes in ECMAScript (JavaScript) we can
enable rich UI behaviors without roundtrips to the server. Visual Web
Developer includes improved IntelliSense support for JavaScript and
support for the Microsoft AJAX Library.
• The integration of ASP.NET and IIS 7.0 includes the ability to use
ASP.NET services, such as authentication and caching, for any
content type. It also includes the ability to develop server pipeline
modules in ASP.NET managed code and supports unified
configuration of modules and handlers.
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ASP.NET Enhancements in version 3.5
The .NET Framework version 3.5 includes enhancements for ASP.NET
in the following areas:
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•
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New server controls, types, and a client-script library that work together to
enable we to develop AJAX-style Web applications.
Extension of server-based forms authentication, roles management, and
profile services as Web services that can be consumed by Web-based
applications.
A new EntityDataSource control that exposes the Entity Data Model through
the ASP.NET data source control architecture.
A new List View data control that displays data and that provides a highly
customizable UI.
A new LinqDataSource control that exposes Language-Integrated Query
(LINQ) through the ASP.NET data source control architecture.
A new merge tool (Aspnet_merge.exe) that merges precompiled assemblies
to support flexible deployment and release management. This feature is not
available in Visual Web Developer Express Edition.
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ASP.NET Enhancements in version 3.5
• List View Class
List View Class displays the values of a data source by using userdefined templates. The List View control enables users to select,
sort, delete, edit, and insert records. The List View control is quiet
flexible and contains features of the Grid view, Data grid, Repeater
and similar list controls available in ASP.NET 2.0.
Data Pager
Provides paging functionality for data-bound controls that implement
the IPageableItemContainer interface, such as the List View control.
The best advantage is that we need not have to keep it ‘tied’ with the
control on which the paging is being done. we can keep it anywhere
on the page. Data Pager gives we a consistent way of paging with
the controls that support it.
Add-Ins and Extensibility
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ASP.NET Enhancements in version 3.5
List View Data Control
• The List View control is useful for displaying data in any repeating
structure, similar to the Data List and Repeater controls. Unlike
those controls, the List View control supports edit, insert, and delete
operations as well as sorting and paging. The paging functionality is
provided for List View by the new Data Pager control.
• The List View control is a highly customizable control that enables
you to use templates and styles to define the control's UI. Like the
Repeater, Data List, and Form View controls, templates in the List
View control are not predefined to render specific UI in the browser.
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ASP.NET Enhancements in version 3.5
Data Pager Control
• The Data Pager control is used to page through data that is
displayed by a control that implements the IPageableItemContainer
interface, such as the List View control. The Data Pager control
supports built-in paging UI. You can specify the paging UI by using
the NumericPagerField object, which lets users select a page by
page number. You can also use the NextPreviousPagerField object,
which lets users navigate through pages one page at a time, or to
jump to the first or last page. Alternatively, you can create custom
paging UI by using the TemplatePagerField object.
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ASP.NET Enhancements in version 3.5
LinqDataSource Control
• The LinqDataSource control exposes Language Integrated Query
(LINQ) through the ASP.NET data source control architecture. You
use the LinqDataSource control when you are creating a Web page
that retrieves or modifies data and you want to use the programming
model that is provided by LINQ. You can simplify the code in a Web
page by enabling the LinqDataSource control to automatically create
the commands for interacting with the data. By using the
LinqDataSource control, you can reduce the amount of code that
you must write to perform data operations when compared to
performing the same operations in the SqlDataSource control or the
ObjectDataSource control. When you use the LinqDataSource
control, you also benefit by learning only one programming model to
interact with different types of data sources.
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AJAX Development
The .NET Framework version 3.5 enables you to create Web
applications that feature next-generation user interfaces with
reusable client components. You can develop Web pages by using a
server-based approach, a client-based approach, or a combination
of both, according to your requirements. The AJAX server-based
and client-based programming models feature the following:
• Server controls that support server-based AJAX development. This
includes the Script Manager, Update Panel, Update Progress, and
Timer controls. These controls enable you to create rich client
behavior with little or no client script, such as partial-page rendering
and displaying update progress during asynchronous post backs.
• The Microsoft AJAX Library, which supports client-based, objectoriented development that is browser independent. In addition to
supporting the new AJAX-enabled server controls, the client library
enables you to develop custom client components that extend DOM
elements or that represent a DOM element.
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AJAX Development
• Server classes that enable you to develop server controls that map
to custom client components whose events and properties are set
declaratively. Server types that support this functionality include
controls that derive from the Extender Control or Script Control base
classes, or that implement the IExtenderControl or IScriptControl
interfaces.
• Support for script globalization and localization by using client script.
Globalization enables you to display dates and numbers based on a
culture value (locale). Localization enables you to specify localized
content (text, images, and so on) in client components for UI
elements or exception messages.
• Access to Web services and to ASP.NET authentication, roles
management, and profile application services.
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VISUAL STUDIO 2008 FEATURES
1.LINQ Support
• LINQ essentially is the composition of many standard query
operators that allow you to work with data in a more intuitive way
regardless.
• The benefits of using LINQ are significant – Compile time checking
C# language queries, and the ability to debug step by step through
queries.
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VISUAL STUDIO 2008 FEATURES
2. Expression Blend Support
• Expression blend is XAML generator tool for Silverlight applications.
You can install Expression blend as an embedded plug-in to Visual
Studio 2008. By this you can get extensive web designer and
JavaScript tool.
3. Windows Presentation Foundation
• WPF provides you an extensive graphic functionality you never seen
these before. Visual Studio 2008 contains plenty of WPF Windows
Presentation Foundation Library templates. By this a visual
developer who is new to .NET, C# and VB.NET can easily develop
the 2D and 3D graphic applications.
• Visual Studio 2008 provides free game development library kits for
games developers.
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VISUAL STUDIO 2008 FEATURES
4. VS 2008 Multi-Targeting Support
• Earlier you were not able to working with .NET 1.1 applications
directly in visual studio 2005. Now in Visual studio 2008 you are
able to create, run, debug the .NET 2.0, .NET 3.0 and .NET 3.5
applications. You can also deploy .NET 2.0 applications in the
machines which contains only .NET 2.0 not .NET 3.x.
5. AJAX support for ASP.NET
• Ajax Library contains plenty of rich
AJAX controls like Menu, Tree View,
web parts and also these components
support JSON and VS 2008 contains in
built ASP.NET AJAX Control Extenders.
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VISUAL STUDIO 2008 FEATURES
6. JavaScript Debugging Support
• Since starting of web development all the developers got frustration
with solving JavaScript errors. Debugging the error in JavaScript is
very difficult. Now Visual Studio 2008 makes it is simpler with
JavaScript debugging. You can set break points and run the
JavaScript step by step and you can watch the local variables when
you were debugging the JavaScript and solution explorer provides
JavaScript document navigation support.
7. Nested Master Page Support
• Already Visual Studio 2005 supports nested master pages concept
with .NET 2.0, but the problem with this Visual Studio 2005 that
pages based on nested masters can't be edited using WYSIWYG
web designer. But now in VS 2008 you can even edit the nested
master pages.
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VISUAL STUDIO 2008 FEATURES
8. LINQ Intellisense and Javascript Intellisense support for
Silverlight applications
• Intellisense Support: When we are writing the LINQ Query VS
provides LINQ query syntax as tool tips. Most happy part for .NET
developers is Visual Studio 2008 contains intellisense support for
JavaScript. Javascript Intellisense makes developers life easy when
writing client side validation, AJAX applications and also when
writing Silverlight applications
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VISUAL STUDIO 2008 FEATURES
9. Organize Imports or Using:
• VS contains Organize Imports feature which removes unnecessary
namespaces which you have imported. You can select all the
namespaces and right click on it, then you can get context menu
with Organize imports options like "Remove Unused Using", "Sort
Using", "Remove and Sort". Refactoring support for new .NET 3.x
features like Anonymous types, Extension Methods, Lambda
Expressions.
10. Intellisense Box display position
• Earlier in some cases when you were typing the an object name and
pressing . (period) then intellisense was being displayed in the
position of the object which you have typed. Here the code which we
type will go back to the dropdown, in this case sometimes
programmer may disturb to what he was typing
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VISUAL STUDIO 2008 FEATURES
10. Intellisense Box display position
• Now in VS 2008 If you hold the Ctrl key while
the intellisense is dropping down then
intellisense box will become semi-transparent
mode.
11. Visual Studio LINQ Designer
• Already you know in VS 2005 we have inbuilt
SQL Server IDE feature. by this you no need
to use any other tools like SQL Server Query
Analyzer and SQL Server Enterprise Manger.
You have directly database explorer by this you
can create connections to your database and you
can view the tables and stored procedures in VS IDE itself. But now
in VS 2008 it has View Designer window capability with LINQ-toSQL.
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VISUAL STUDIO 2008 FEATURES
12. ASP.NET Membership Provider
• The ASP.NET membership provider is a feature that enables
ASP.NET developers to create Web sites that allow users to create
unique user name and password combinations. With this facility, any
user can establish an account with the site, and sign in for exclusive
access to the site and its services. This is in contrast to Windows
security, which requires users to have accounts in a Windows
domain. Instead, any user that supplies his or her credentials (the
user name/password combination) can use the site and its services.
• The membership feature requires using a SQL Server database to
store the user information. The feature also includes methods for
prompting with a question any users who have forgotten their
password.
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VISUAL STUDIO 2008 FEATURES
13.Exploring the ASP.NET 3.5 Chart Controls
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The new Chart Controls for .NET Framework 3.5 enables ASP.NET and
Windows Forms developers to easily create rich and professional-looking
data visualization solutions. The Chart Controls currently contains 25
different chart types with 3-D support for most of them, and all of these,
available for FREE. Amongst the other features found in 3rd party charting
controls, the Chart Controls for .NET framework provides feature like
DataBinding, Data Export, support for Financial and Statistical data, State
Management, Streaming, Serialization and much more.
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VISUAL STUDIO 2010 FEATURES
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•
In Visual Studio 2010, various designer improvements have been
made to help create WPF or Silverlight applications.
Improved Support for Silverlight
In Visual Studio 2008, you could install the Silverlight Tools to create
Silverlight applications in Visual Studio. However, the designer support for
Silverlight projects was limited. In Visual Studio 2010, the designer support
for Silverlight and WPF projects are now the same. For example, in
Silverlight projects you can now select and position items with the mouse on
the design surface.
Support for Multiple Platform Versions
In Visual Studio 2008, control design times were able to target only the
latest WPF platform version. In Visual Studio 2010, this support is extended
across multiple platforms, including design-time support for WPF 3.5, WPF
4, Silverlight 3, and future platform releases. As the same extensibility API
exists for all these platforms, control design-time authors can easily write
one experience and share it across the control runtimes for each platform.
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VISUAL STUDIO 2010 FEATURES
• Cloud Development
Windows Azure™ Tools in Visual Studio 2010 developers can build,
debug and deploy services and applications for Microsoft's new
cloud platform.
• Support for Multiple Platform Versions
In addition to SQL Server developers will be able to work with IBM
DB2 and Oracle databases .
• Support for developers
Contextual support helps developers better understand existing
code – and write new code more efficiently
Enable Office tools to make your solutions more flexible and
productive for specific needs
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VISUAL STUDIO 2010 FEATURES
N-tier Applications and LINQ to DataSet
• N-tier data applications are data-centric applications that are
separated into multiple logical layers (or tiers). A typical N-tier
application includes a presentation tier, a middle tier, and a data tier.
Separating application components into separate tiers increases the
maintainability and scalability of the application. For more
information about N-tier data applications, see N-Tier Data
Applications.
• The following diagram shows how LINQ to DataSet relates to the
DataSet and fits into an n-tier application:
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VISUAL STUDIO 2010 FEATURES
3. Extract Interface: Using a set of existing type members it defines
a new interface type.
4. Reorder Parameters: This feature allows you to re order the
parameters which you declare as formal variable for a function.
5. Rename: This is very frequently used feature to rename a
variable throughout the project.
6. Promote Local Variable to Parameter: It helps to convert
variables from local to function formal parameters.
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VISUAL STUDIO 2010 FEATURES
• Java Script Debugger in Internet Explorer 8
When Internet Explorer 8 is installed, built-in Java Script debugger
ships along. Since this is an in-proc debugger one need not launch a
separate app.
It has all the familiar Visual Studio 2008 Features debugger like call
stacks, watches, locals and immediate window.
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VISUAL STUDIO 2010 FEATURES
To get to the debugger just press SHIFT+F12, or click the
Developer tools icon in the command bar.
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VISUAL STUDIO 2010 FEATURES
To get to the debugger just press SHIFT+F12, or click the
Developer tools icon in the command bar.
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.NET Framework Conceptual Overview
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.NET Common Language Infrastructure
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Asp.net FEATURES
.
The ASP.NET Technology is used to design
– Web forms (Web Applications)
– Web Services
– Mobile Forms (Mobile Applications)
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Machine.config
Web.config
Side by side Execution
Powerful Object Oriented Language
Power web server controls are introduced
Sessions
– Session can be maintained either at Web server or State Server
or Sql Server
Database.
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Asp.net FEATURES
. Caching
– Client side caching
– Sever side caching
• Security
– Forms Authentication
– Windows Authentication
– Passport Authentication
• Web Services
• Globalization and Localization
• Set up & Deployment
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