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What's New in Visual Studio .NET 2003
in keeping this site Free
What's New in the .NET Framework Version 1.1
1.) ASP.NET Mobile Controls - (formerly the Microsoft
Mobile Internet Toolkit)
Mobile Controls (formerly the Microsoft Mobile Internet
Toolkit) extends the .NET Framework and Visual Studio .NET
by providing support for mobile (wireless) devices such
as cell phones and personal data assistants (PDAs). The
.NET Framework version 1.1 release incorporates the mobile
controls into the .NET Framework and Visual Studio .NET
Because mobile controls are now a part of the .NET Framework,
the terminology has changed to match the conventions used
in .NET documentation, and the mobile controls documentation
has merged into the larger .NET Framework documentation
set. The name Mobile Internet Toolkit is replaced by ASP.NET
ASP.NET Mobile Controls extend ASP.NET server controls such
that they adapt to the mobile device on which the Web application
is rendering. Through browser detection, the mobile controls
conform to the capabilities of individual devices ranging
from full-featured PDA browsers to small, 5-line ×
20-character cell phone displays. This adaptive rendering
feature handles many of the tedious device-specific rendering
decisions and frees you to focus on your Web application
2.) ADO.NET - Changes in ADO.NET
The .NET Framework Data Provider for ODBC, which previously
was available as a Web download only, now ships with the
.NET Framework under the namespace System.Data.Odbc.
The .NET Framework Data Provider for Oracle now ships
with the .NET Framework under the namespace System.Data.OracleClient.
Developers using the .NET Framework version 1.0 can download
the .NET Framework Data Provider for Oracle from http://msdn.microsoft.com/downloads.
In addition, ADO.NET now includes the following features:
The DataReader object now exposes a HasRows
property to determine if rows were returned
without having to call Read. For more
information, see Retrieving Data Using
The Connection object now has an EnlistDistributedTransaction
method to enable manual enlistment in
distributed transactions. For more information,
see Performing Transactions.
3.) Side-by-Side Execution :
The .NET Framework version 1.1 supports side-by-side
execution. Side-by-side execution is the ability to store
and execute multiple versions of an application or component
on the same computer. This means that you can have multiple
versions of the runtime, and multiple versions of applications
and components that use a version of the runtime, on the
same computer at the same time. In addition, subsequent
installations of other versions of the .NET Framework
or of a component will not affect the applications already
installed. For more information, see Side-by-Side Execution.
Side-by-side execution does not imply that a managed application
is compatible with other versions of the runtime or of
a component. Rather, it means that a managed application
can choose the runtime and the components it executes
with, and that multiple versions of the runtime, applications,
and components can coexist on the same computer. It is
up to you to decide which versions of the runtime and
which components a particular application will use.
4.) Changes in .NET Framework Security :
In version 1.0 and 1.1, applications that receive less
than full trust from the runtime code access security
system cannot call shared managed libraries unless the
library writer specifically allows them to through the
use of the AllowPartiallyTrustedCallersAttribute attribute.
If you plan on using libraries from partially trusted
code, you need to be aware that some libraries will not
be available to your code. In version 1.1, System.Web.dll,
System.Web.Mobile.dll, and System.Web.RegularExpressions.dll
are included in the list of assemblies that have the
AllowPartiallyTrustedCallersAttribute and can
be called from partially trusted code. For more information,
see Using Libraries from Partially Trusted Code.
Default security policy has been changed so that applications
executing from the Internet zone and assigned to the Internet
Zone code group now receive permissions associated
with the Internet permission set. As a result, applications
from the Internet now receive sufficient permission to
execute. In the .NET Framework 1.0 Service Pack 1 and
Service Pack 2, such applications received the permissions
associated with the Nothing permission
set and could not execute.
ASP.NET now supports partial trust in Web-based applications,
offering greater security for multiple applications that
are hosted on a single Web server. Although the operating
system account under which an application runs imposes
security restrictions on the application, the code access
security system of the common language runtime can enforce
additional restrictions on selected application resources
based on policy that you specify. You can use this feature
in a shared server environment to isolate separate applications
and with standalone servers where you want applications
to run with the minimum necessary privileges.
ASP.NET provides a <trust> configuration directive
that enables you to configure code access security levels
for your applications. If your partially trusted ASP.NET
applications call shared managed libraries, those libraries
must contain an AllowPartiallyTrustedCallersAttribute
attribute that allows calls from partially trusted code.
For more information, see Using Libraries from Partially
6.) IPv6 Support in the .NET Framework :
.NET Framework version 1.1 supports the emerging update
to the Internet Protocol, commonly referred to as IP version
6, or simply IPv6. This protocol is designed to significantly
increase the address space used to identify communication
endpoints in the Internet to accommodate its ongoing growth.
IPv6 is supported in the System.Net namespace, ASP.NET,
and XML Web services.
What's New in Visual Studio .NET 2003
1.) Solutions Explorer - Track Active Item :
A new option in visual studio 2003, Track Active Item
in Solution Explorer, has been added to the Projects and
Solutions, Environment, Options Dialog Box. When this
option is selected, Solution Explorer automatically opens
the folder for the active item, scrolls to its node, and
selects its name. The selected item changes as you work
with different files within a project or solution, or
different components within an Integrated Development
Environment (IDE) designer. When this option is cleared,
the selection in Solution Explorer does not change automatically.
This option is enabled by default, but it is cleared when
you choose the "Visual C++ Developer" or "Visual C# Developer"
profile on the My Profile tab of the Visual Studio Start
Checked Out Exclusive - Item is checked out from a source
control database to one developer only.
Other developers cannot access this file.
Checked Out Shared - Item is checked out from a source
control database for shared use by a
development team. Different versions of the
item will be merged upon checkin.
3.) Options and Settings : (Copy Options and Settings
from Previous version)
You can copy certain Options dialog box settings from
a previous version of Visual Studio .NET to a more recent
version visual studio 2003. If you have two different
versions of the program installed on the same machine,
the first time you launch the newer version of the Visual
Studio .NET, a dialog box appears giving you the choice
to migrate your existing setting. If you dismiss this
dialog, you can display it later by executing the following
command from the Windows command line:
After you migrate your previous Options settings into
the new version of Visual Studio .NET, select Options
from the Tools menu to display the Options dialog box
and review your settings. Most option settings should
appear as you last set them.
4.) Web References : (Browsing for XML Web Services)
The Start Browsing for XML Web Services pane in the Add
Web Reference Dialog Box now provides Web links to both
local and Internet sources of available Web services.
Use this pane to locate the desired Web service, then
enter a Web reference name to use in your code, and select
Add Reference. The new reference will appear in Solution
Explorer under the Web References node for the active
Web links to sources of available Web services include
Web services on the local machine - select this link to
list Web services available on your
own Visual Studio .NET developer machine.
Browse UDDI Servers on the local network - select this
link to list servers with Web services that
are available within your local area network.
UDDI Directory - select this link to search the Microsoft
UDDI Business Registry for businesses
that provide Web services.
Test Microsoft UDDI Directory - select this link to list
Web services under development that
have been posted for testing.
5.) Build : (Only build startup projects and dependencies
A new option in visual studio 2003, Only build startup
projects and dependencies on Run, has been added to the
Projects and Solutions, Environment, Options Dialog Box,
under Build and Run Options. When this option is selected,
pressing F5 or choosing the Start or Build command from
the Debug or Run menu only builds the startup project
and its dependencies. When this option is cleared, pressing
F5 builds all projects, dependencies, and solution files.
This option is cleared by default, but it is enabled when
you choose the "Visual C++ Developer" and the " Visual
C# Developer" profile on the My Profile tab of the Visual
Studio Start Page.
For Visual C++ projects only, three new commands have
been placed on a new Project Only submenu of the Build
Build Only <projectname>
Rebuild Only <projectname>
Clean Only <projectname>
These commands build, rebuild, or clean only the C++ project
currently selected in Solution Explorer, without building
or cleaning any project dependencies or solution files.
6.) Debug : (Debugger Enhancements)
The Visual Studio .NET 2003 debugger has been enhanced
by the addition of several new features:
Security enhancements, including a new restriction
that limits Just-In-Time Debugging
to the local machine.
Remote debugging using pipes, a new, more secure alternative
to TCP/IP debugging.
SOS, a powerful tool for debugging from the Command
Support for automatically downloading of debug symbols
from a symbol server.
Improved error messages, especially for errors that
occur while debugging web applications.
7.) Deployment : Support for Multiple Versions
of the .NET Framework
You can create installers that target a specific version
of the .NET Framework using a launch condition that checks
for the correct version and redirects the user to a Web
location to download if necessary.
8.) Automation Object Model : (Visual C++ .NET
Visual C++ .NET 2003 features five new property pages
for Visual C++ projects:
XML Data Generator Tool
Auxiliary Managed Wrapper
In addition to these new property pages, new objects
and members were added to the VCProjectEngine assembly
to enable users to programmatically manipulate these new
property pages and their values, as well as existing property
The new objects are:
Installation : Side-by-Side Installations of Visual Studio
Visual Studio supports installation of versions 2002
and 2003 on the same machine; however you should be aware
of certain issues.
Visual Studio .NET 2002 shipped with the Microsoft .NET
Framework SDK version 1.0. Visual Studio
.NET 2003 ships with .NET Framework SDK
version 1.1. If you developed applications that reference
.NET Framework version 1.0 and attempt
to open the solution in Visual Studio
.NET 2003, the references to .NET Framework are changed
to reference .NET Framework 1.1. You
should review the latest .NET Framework
documentation for information on changes that might affect
your application. For more information, see Targeting
a .NET Framework Version and Installation
If you open and then save solutions created in Visual
Studio .NET 2002 in Visual Studio .NET
2003, you can no longer open the solution created
in version 2002 in Visual Studio .NET 2002.
10.) Help : Preferred Help Collection
In the Help, Environment, Options Dialog Box, a drop-down
menu for the Preferred Help Collection option displays
the documentation sets available while working in your
version of Visual Studio .NET. The default choice, Visual
Studio .NET 2003 Combined Help Collection, makes available
both the original product documentation and any additional
Help collections designed to be integrated with Visual
Studio .NET, such as Help for Visual Studio add-ons.
Visual J# can be used by developers who are familiar with
the Java-language syntax to build applications and services
on the .NET Framework using the Visual Studio .NET 2003
IDE. Visual J# also supports most of the functionality found
in Visual J++ 6.0.
12.) Enterprise Instrumentation Framework :
The Enterprise Instrumentation Framework allows unified
eventing, logging, and tracing of enterprise applications
deployed in a production environment. Applications can
be consistently instrumented to publish errors, audits,
administrative events, and diagnostic trace events. Operations
teams can configure the instrumentation of a running application,
including the ability to enable tracing of user requests
or business processes through a distributed application.
13.) Tools for Developing for Devices : Smart Device
The Visual Studio .NET integrated development environment
now includes tools for developing applications for smart
devices, such as the Pocket PC. Using the tools and the
.NET Compact Framework, a subset of the .NET Framework,
you can create, build, debug, and deploy applications
that run on the .NET Compact Framework in personal digital
assistants (PDAs), mobile phones, and other resource-constrained
14.) ASP.NET Mobile Designer :
ASP.NET Mobile Designer extends ASP.NET and the .NET
Framework, allowing you to build Web applications for
mobile phones, PDAs, and pagers. This designer is integrated
into the Visual Studio IDE. You can create mobile Web
applications, use the Mobile Designer to modify a mobile
Web form, and then build and run the application, all
from within Visual Studio. For more information, see Getting
Started with the ASP.NET Mobile Designer.