Abort : Use this method in your application to forcibly terminate the underlying TCP connection of a request. These routines were previously available only as an external library. Web Forms now supports model binding, which lets you bind data controls directly to data-access methods. NET automatically converts data from form fields, query strings, cookies, session state, and view state into method parameters.
You can use these parameters to select data from or make updates to the database. This technique is similar to model binding in ASP.
Model Binding and Web Forms tutorial series. Model Binding What's New whitepaper. Model Binding Part 1 - Selecting Data video. Model Binding Part 2 - Filtering video. You can now write strongly typed, two-way data-binding expressions in Web Forms data controls, instead of using Bind or Eval expressions. This approach lets you access complex properties in data controls. These expressions can be used with the new model binding feature.
Strongly typed data controls What's New whitepaper. Strongly Typed Data Controls blog entry. Strongly typed data controls video. Unobtrusive validation moves the code for client-side validation into a single external JavaScript file, which makes pages smaller and faster to load. It also provides better caching of script files.
Unobtrusive Validation What's New whitepaper. When you set the EnableCdn property of the ScriptManager control, the control tests whether the script was loaded successfully from the CDN.
If not, the control falls back to loading the script from an alternate local location. These new properties remove the need for the control to retrieve all rows from the data source each time a new page is displayed.
For information about new features in this release, see the following links on the ASP. NET website:. The following table lists enhancements for ASP. A new Personal Site template provides pages for a blog, a photo gallery, and Twitter content. The Starter Site template has been updated to let users log in to your site by using Facebook, Twitter, and Windows Live. The Web Pages 1 site templates have also been upgraded to run on Web Pages 2.
Razor syntax now supports conditional HTML attributes, which makes it much simpler to render attributes based on values that you set in code. New options for validating user input are available, including client-side validation which helps improve the performance of your site. New validation classes ValidationHelper and Validator help you specify validation rules by using just a few lines of code.
You can run existing Web Pages 1 applications and new Web Pages 2 applications on the same computer. The new Starter Site template includes examples of how to use the new providers. A new Map helper lets you call existing map engines such as Bing, Google, Yahoo, and MapQuest and render maps on your website. A new Display Modes feature lets you create device-specific pages.
The pages are rendered automatically based on the device that makes the request, such as a mobile device. For more information about the ASP. The essential points of this development model are as follows. Source code location. See check-ins and provide feedback. The community can see and provide feedback on developer check-ins both from Microsoft and from the community. Community contributions. Developers outside of Microsoft community can submit patches and code contributions.
Check-ins are evaluated. The Microsoft development team reviews every check-in open source or otherwise for inclusion. Every check-in is evaluated against existing standards.
Community code is included in Visual Studio. The community code approved for inclusion in ASP. NET is included in Visual Studio. Microsoft development and support continue. They continue to be supported by existing Microsoft support policy. Web Forms. Web Forms has not been made open source because it is part of System. Because of this dependency, the code cannot easily be replaced except when the.
NET framework or the OS are updated. The following sections provide information about editor enhancements and new features in the Visual Studio release. The following features in the web page designer are either new or have been enhanced for the Visual Studio release. Installed browsers appear in a new drop-down list next to the Start Debugging button in Visual Studio.
This feature lets you test the same page, application, or site in different browsers. To test in several browsers simultaneously, choose the Browse With option from the drop-down list, and then use CTRL-click to select multiple browsers. To set multiple browsers as the default, use Browse With to select multiple browsers, and then choose Set as Default from within the Browse With dialog box.
You can use Page Inspector to examine both the source code and the resulting output. For ASP. Page Inspector works even when the default ASP. NET bundling and minification features are enabled. When you do, Visual Studio Express for Web automatically creates preconfigured controls on the page. NET features such as membership, roles, and login server controls let you add authentication login and authorization to a website by using little or no code.
You can enable users to register on the site, and you can create a login page that automatically checks user credentials. You can help protect pages so that only logged-in users can view them. On a single page, you can present different information to users who are logged in and to anonymous users. For more information, see How ASP. NET Security Works. Visual Studio Express for Web includes several project types to help you create web applications, sites, and services:.
NET recognizes for processing. In addition, you can create folders for special purposes, such as for storing source code, defining themes, and managing resources. NET Web Site project template. These templates include many autogenerated capabilities that you can customize.
NET Web Applications Projects let you compile a website into a single assembly and explicitly define project resources. This project type offers more options for deploying and maintaining web applications than a web site project does. NET Web Application project template. NET Entity Framework. The project types can target any relational database. The template includes basic definitions for a service contract, a data contract, a service implementation, and service configuration.
You can use this template to create a service that requires little or no additional coding, and that can be the basis for more advanced services. Silverlight Application Projects You can use the Silverlight application project templates to create rich internet applications. Visual Studio Express for Web includes many features to help you create and manage websites and web application projects.
Additional features include the following:. Multi-targeting You can target a web application to a specific version of the. By default, Visual Studio Express for Web targets the current version of the.
The multitargeting feature helps make sure that applications use only the functionality that is available in a specified version of the. In addition, the multitargeting feature lets you deploy older applications without requiring you to add a.
NET Framework version in the deployment package. IntelliSense IntelliSense offers context-appropriate code choices as you type, including properties, functions, and objects. IntelliSense enables you to keep your coding context, find the information that you need, and insert language elements directly into your code. Debugging You can test pages by using the integrated debugger, which enables you to find errors in your code. You can also turn on trace, which displays useful debugging information in each page.
NET Debugging Overview. Individualizing Webpages You can create user profiles, which enable you to store user-specific settings that you can use to customize pages for each user. Managing state The state management capabilities of Visual Studio Express for Web enable you to store information between page requests, such as customer information or the contents of a shopping cart.
You can save and manage application-specific, session-specific, page-specific, user-specific, and developer-defined information. Globalization You can configure your pages to automatically read text from a resource file that is matched to the user's preferred language and locale. NET Globalization and Localization.
Microsoft Visual Studio was officially launched a few months as well. Today, sinhvienit will introduce you to the download link all versions of Visual Studio and the serial number to register for each version. Basically, it is designed for easy deployment and fast prototyping. SQL Server Express is available as a free package, and you can redistribute it with other applications. It is designed to integrate smoothly with your other server infrastructure investments.
Microsoft SQL Server is a powerful and reliable free data management system that delivers a rich and reliable data store for lightweight Web Sites and desktop applications.
Links to all its versions are provided below. Microsoft SQL Server is a powerful and reliable free data management system that provides an extensive and reliable data store for lightweight Web Sites and desktop applications. Assess mission-critical capabilities to achieve unparalleled scale, security, high availability, and lead performance for your Tier 1 database, business intelligence, and advanced analytics workloads. Microsoft SQL Server Express is developed to build intelligent, mission-critical applications using a scalable, hybrid database platform.
And that DB has everything built-in. The database includes advanced security, in-database analytics, and reliable memory performance.
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