Microsoft Windows NT 4.0 Guide Manual de usuario descargar pdf (Pagina 126)

Microsoft

Windows Server

™

2003 White Paper

Windows NT 4.0 Server Upgrade Guide 121

Upgrading ASP Web Applications to ASP.NET Applications

Application written with VBScript must to be ported to Visual Basic .NET or C# because VBScript

is no longer supported under ASP.NET. Migrating code to Visual Basic .NET is not as simple as

renaming an ASP page from .ASP to .ASPX. An upgrade requires significant code changes.

Because all ASP.NET pages are compiled into assemblies, you gain from significant performance

improvements. Pages are no longer interpreted every time they run. Applications now have

complete support for the rich type system of the common language runtime and all the class

libraries defined in the Framework Class Libraries.

For a complete discussion of the developer needs for upgrading, see Migrating ASP Pages to

ASP.NET on the MSDN

Web site.

ASP.NET 1.0 Applications and ASP.NET 1.1 Applications

When upgrading an existing server on which are installed ASP.NET applications that use .NET

Framework 1.0, the resulting upgraded computer is configured to use .NET Framework 1.1.

Version 1.0 remains installed in what is called side-by-side deployment. However, side-by-side

deployment is supported only when running in IIS 5.0 isolation mode. For more information, see

Side-by-side Deployments of .NET Framework 1.0 and 1.1

later in this guide.

Most ASP.NET 1.0 applications run fine under the new worker process isolation mode; however,

some ASP.NET 1.0 Web applications do not run correctly with .NET Framework 1.1, primarily

because of the tightened security settings. For example, under version 1.0, you could pass a SQL

connection string with a user ID and a blank password and succeed. Under version 1.1, this action

is not allowed.

You can configure individual applications to determine which version of the framework to run by

configuring the script maps for each virtual directory. For more information, download the

Windows Server 2003 Deployment Kit: Deploying IIS 6.0

resources. See the “Upgrading an IIS

Server to IIS 6.0” chapter.

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Microsoft Windows NT 4.0 Guide Manual de usuario Pagina 126