2007/07/27 | VS 2008 and .NET 3.5 Beta 2 发布了
类别(NET) | 评论(1) | 阅读(84) | 发表于 15:31
相关消息请见：VS 2008 and .NET 3.5 Beta 2 Released

贴部分重要内容
VS 2008 Multi-Targeting Support
VS2008 enables you to build applications that target multiple versions ofthe .NET Framework.   You can learn more about how this works from myblog post here:
VS 2008 Web Designer and CSS Support
VS2008 includes a significantly improved HTML web designer.   Thisdelivers support for split-view editing, nested master pages, and greatCSS integration.   Below are two articles I've written that discuss thismore:
 ASP.NETalso has a new <asp:ListView> control that I'll be blogging aboutin the near future.   It delivers very flexible support for data UIscenarios, and allows full customization of the markup emitted.   Itworks nicely with the new CSS support in VS 2008.
ASP.NET AJAX and JavaScript Support
.NET3.5 has ASP.NET AJAX built-in (and adds new features like UpdatePanelsupport with WebParts, WCF support for JSON, and a number of bug fixesand performance improvements).   VS 2008 also has great support forintegrating JavaScript and AJAX into your applications:
 Iwill be doing a blog post in the next few days that talks more aboutsome of the ASP.NET AJAX specific improvements, as well as how toupgrade existing ASP.NET AJAX 1.0 applications to use them.
Language Improvements and LINQ
Thenew VB and C# compilers in VS 2008 deliver significant improvements tothe languages.   Both add functional programming concepts that enableyou to write cleaner, terser, and more expressive code.   These featuresalso enable a new programming model we call LINQ (language integratedquery) that makes querying and working with data a first-classprogramming concept with .NET.  
Below are some of the articles I've written that explore these new language features using C#:
 Data Access Improvements with LINQ to SQL  
LINQto SQL is a built-in OR/M (object relational mapper) in .NET 3.5.   Itenables you to model relational databases using a .NET object model. You can then query the database using LINQ, as well asupdate/insert/delete data from it.   LINQ to SQL fully supportstransactions, views, and stored procedures.   It also provides an easyway to integrate business logic and validation rules into your datamodel.   Below are some of the articles I've written that explore how touse it:

I'llbe adding several more articles to my series above in the weeks ahead. I think you'll find that LINQ to SQL makes it dramatically easierto build much cleaner data models, and write much cleaner data code.

大致翻译的说下这些要点：
VS 2008 Multi-Targeting Support
可以多版本.NET Framework编译应用程序

VS 2008 Web Designer and CSS Support
改进的HTML设计及强化的css支持和支持分离视图页面

ASP.NET AJAX and JavaScript Support.
NET3.5自带ASP.NET AJAX，增强javascript的智能提示及调试功能

Language Improvements and LINQ
VB和C#得到很大改进，并提出了一个编程模型：LINQ (language integratedquery综合语言查询)。

Data Access Improvements with LINQ to SQL
数据访问得到了改进，通过基于ORM（对象关系映射）的LINQto SQL。

需要下载的可以到这里：Results for - "visual studio 2008"

安装镜像
如果您更喜欢自己安装软件，您可以下载下列产品的独立镜像：
Visual Studio 2008 Standard Edition Beta 2
Visual Studio 2008 Professional Edition Beta 2
Visual Studio Team System 2008 - Team Suite Beta 2
Visual Studio Team System 2008 - Team Foundation Server Beta 2
Visual Studio Team System 2008 - Test Load Agent Beta 2
MSDN Library for Visual Studio 2008 Beta 2


重要：

  • 当beta2安装完成后，您应该运行该脚本以确保.net Framework 3.5 Beta 2的安装不会影响到ASP.NET AJAX 1.0扩展
  • 如果您要安装Team Foundation Server，您必须满足其系统需求，按照其步骤安装完成。系统需求和安装步骤在下载页面都可以找到。
  • 因为是预览版软件，所以我们不建议您将其安装在做开发的机器上。


VPC镜像
如果您喜欢将这个有用的评测型预览软件安装在虚拟机的环境下，您可以下载VPc镜像.您可能需要虚拟主机或者虚拟服务器去运行这些镜像。
下载的文件可能会花30-60分钟解压一些自解压文件，具体时间则依赖于您的硬件。
Visual Studio Team System 2008 - Team Suite Beta 2 VPC
Visual Studio Team System 2008 - Team Suite & Team Foundation Server Beta 2 VPC

重要：

  • 当VPC解压并打开后，您应该运行该脚本以确保.net Framework 3.5 Beta 2的安装不会影响到ASP.NET AJAX 1.0扩展
  • 如果您要安装Team Foundation Server，您必须满足其系统需求，按照其步骤安装完成。系统需求和安装步骤在下载页面都可以找到。
  • 因为是预览版软件，所以我们不建议您将其安装在做开发的机器上。


Visual Studio体验版

Visual Studio体验版方便爱好者，初学者和学生使用和学习的轻量级工具
Visual Studio 2008 Express Editions Beta 2
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