Vb. The introduction of net programming Hello World (ii)

Programming three. Visual Basic. NET development tool Visual Studio. NET Introduction:

Microsoft offers four different visual Studio. NET versions are: Enterprise Architecture design, enterprise development, professional and academic. The college edition is primarily intended for college students who learn Visual Studio.NET, which is divided into three separate versions: Visual C # Standard Edition, Visual Basic. NET Standard Edition and Visual C + + Standard Edition. Each of the above versions is expensive. Visual Studio, which is now available in the market, is mainly 7 CD-disks. NET Enterprise-Class architecture Design edition. (Note: This article describes the Visual Studio. NET 2002,.net FrameWork SDK version number 3705) Here is a version of how to install Visual Studio. Net.

1. System requirements for installing the Visual Studio. NET version:

Each version of Visual Studio. NET has a different combination of components, which determines the different system requirements for the computer. It is recommended that your computer system meet the following requirements:

Operating system:

Windows XP Professional, Windows XP Home, Windows 2000 Server Edition, Windows 2000 Professional, Windows 4.0 Workstation, Windows NT 4.0 Server, Windows. Net Server Edition

Processor:
Pentium II, frequency 450 MHz processor, recommended use of Pentium III, 600MHz processor frequency

Memory

Windows XP Professional Edition 160 MB RAM
Windows 2000 Professional Edition MB RAM
Windows 2000 Server Edition GB MB RAM
Windows NT 4.0 Workstation MB RAM
Windows NT 4.0 Server 160 MB RAM

Hard

Visual Studio. NET Academic Edition has 2.5 GB free space on the installation drive, including MB on the system drive
Professional and Enterprise editions have 3.5 GB of free space on the installation drive, including MB on the system drive

CD or DVD drive: Must

Video: x 600 resolution, 256 colors. Recommended use of 16-bit enhanced color

Mouse: Microsoft mouse or compatible pointing device

2, install Visual Studio. Net

This is mainly about the installation process for the most common visual Studio. Net 2002 Enterprise Structure designs available on the market. The other versions are similar.

Visual Studio on the market. The NET Enterprise Architecture design is made up of 7 CD discs, in which visual Studio can be properly installed with only the first 5 discs. NET, where the fifth CD is the component Update disc. Installs Visual Stuido. NET, the following are the specific steps:

(1), close all open applications to avoid unwanted reboots during installation

(2), turn off the anti-virus program in your computer, because the installer is running a script that accesses the file system object, and the antivirus program may prompt for a warning, which could cause a serious failure to install correctly.

(3) After the completion of the above work, insert the first CD-ROM of Visual Studio. NET and execute the Setup.exe program. The installer then scans your computer first to understand the components that are installed. If the scanning process determines that the system needs to update the components, the "Step 1: Install Windows Component Update" appears in the pop-up Setup dialog box. Select Step 1 to update the system components, at which point the installer prompts you to insert the component Update disc, the fifth disc. This option is not available if a component update is not required. After you update the system components, the computer restarts. Insert the first disc at this point, and the Setup dialog box enables Step 2: Install Visual Studio. NET. Select Step 2 and the installer prompts you to select the content and location to install, select the content and location after installation, and then click the Install button to begin installing Visual Studio. NET. The next step is to put a different disc in the optical drive according to the installer prompts.

(4), Visual Studio. NET installed, the system will eject the "Restart Computer" prompt box, click the "OK" button to restart the computer after the Visual Stuio. NET all the installation work is done.

Use this installation to successfully install visual Studio below. NET developed the first visual Basic in this series. NET program "Hello world! "。

Four. The first visual Basic. NET program "Hello world! "：

If you do not have visual Studio. NET, you can also install. NET through a text editor and download from Microsoft.
Frame Work SDK to write Visual Basic. Net, a text editor to edit Visual Basic. NET source program, installed with the downloaded. NET FrameWork SDK for visual Basic. NET compiler Vbc.exe. This compiler enables you to compile and join Visual Basic that is edited with a text editor. NET source files. Although this approach can give us a better understanding of visual Basic. NET's operating mechanism and some underlying mechanism, but it is difficult to promote, on the one hand, visual Studio. NET is really too good, the use of text editor is difficult to implement such as resource editing, component editing and other operations. On the other hand, Visual Basic. NET source files are relatively complex, and code written in a text editor can cause a lot of errors, and these errors can be difficult to detect and take advantage of visual Studio. NET to develop visual Basic. NET application can greatly avoid the above embarrassment, and can easily debug the various warnings and errors in the programming.

1. The software environment for writing, debugging, and running a program is described in this series of articles:

(1). Windows 2000 Server Edition.

(2). Visual Studio. Net 2002 Enterprise Architecture Design Edition.