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ASP-NET the Complete Reference Matthew MacDonald - Download as PDF File .pdf), Text File .txt) or read online. Refrence book. book. Read 12 reviews from the world's largest community for readers. Get the comprehensive low-down on all seven Framework. Trademarks/ are trademarks of the Microsoft group of companies. this book is a useful and persistent reference to keep on the desk. . Web server process, a single faulty component can tear down the whole server and all.

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Sometime in the July , Microsoft announced a whole new software NET. 1. Web applications: These include dynamic and data driven browser .. will guide you through the process of configuring the samples and tutorials. 2. Work through the examples in Chapter 2. They provide a foundation for working with and Visual Studio. 3. Complete the rest of the book as your. Books all Free Download. 83 Pdf for Free Download Asp. Net Visual Web Developer Express Edition Starter Kit, Pdf Free.

This is a source of confusion among novice ASP. State management ASP. As such, if an application uses stateful interaction, it has to implement state management on its own.

Asp net complete reference book

NET provides various functions for state management. Conceptually, Microsoft treats "state" as GUI state. Problems may arise if an application needs to keep track of "data state"; for example, a finite state machine which may be in a transient state between requests lazy evaluation or which takes a long time to initialize. State management in ASP. NET pages with authentication can make Web scraping difficult or impossible. Application State Application state is held by a collection of shared user-defined variables.

Application state variables are accessed using the Applications collection, which provides a wrapper for the application state variables. Application state variables are identified by name. These variables, accessed using the Session collection, are unique to each session instance.

The variables can be set to be automatically destroyed after a defined time of inactivity even if the session does not end. Client-side user session is maintained by either a cookie or by encoding the session ID in the URL itself. NET process.

This is the fastest way; however, in this mode the variables are destroyed when the ASP. NET process is recycled or shut down. NET runs a separate Windows service that maintains the state variables. Because state management happens outside the ASP.

NET engine accesses data using. This mode allows an ASP. NET application to be load-balanced and scaled across multiple servers. Because the state management service runs independently of ASP. NET process shutdowns. However, since session state server runs as a single instance, it is still a single point of failure for session state. The session-state service cannot be load-balanced, and there are restrictions on types that can be stored in a session variable.

The main advantage of this mode is that it allows the application to balance load on a server cluster, sharing sessions between servers.

This is the slowest method of session state management in ASP. NET applications to maintain the state of the web form controls and widgets. The server sends back the variable so that when the page is re-rendered, the controls render at their last state.

At the server side, the application may change the viewstate, if the processing requires a change of state of any control. The states of individual controls are decoded at the server, and are available for use in ASP. NET pages using the ViewState collection.

View state is turned on by default and normally serializes the data in every control on the page regardless of whether it is actually used during a postback. This behavior can and should be modified, however, as View state can be disabled on a per-control, per-page, or server-wide basis. Developers need to be wary of storing sensitive or private information in the View state of a page or control, as the base64 string containing the view state data can easily be de-serialized.

Encryption can be enabled on a server-wide and server-specific basis, allowing for a certain level of security to be maintained. NET offers a "Cache" object that is shared across the application and can also be used to store various objects.

The "Cache" object holds the data only for a specified amount of time and is automatically cleaned after the session time-limit elapses. Other Other means of state management that are supported by ASP.

NET are cookies, caching, and using the query string. A web control. NET can be saved in a Microsoft SQL Server database or in a separate process running on the same machine as the web server or on a different machine. NET worker process is recycled. NET request. That way session values are not lost when the web server is reset or the ASP.

NET prior to 2. NET and extend its functionality. The framework combines existing technologies such as JavaScript with internal components like "ViewState" to bring persistent inter-request state to the inherently stateless web environment. Significantly improved run-time error handling. Some of them are: Similar metaphors to Microsoft Windows applications such as controls and events.

NET application leaks memory. Controls know how to render themselves: In addition. This also eliminates the need of having the source code on the web server. Ability to use true object-oriented design for programming both page and controls If an ASP. Developers can also choose to pre-compile their "codebehind" files before deployment. NET uses the multi-language capabilities of the. Other differences compared to ASP classic are: NET simplifies developers' transition from Windows application development to web development by offering the ability to build pages composed of controls similar to a Windows user interface.

Ability to use the code-behind development model to separate business logic from presentation. NET applications: Product ASP. NET database and distributed computing applications. Detection of standards-compliant web browsers is more robust and support for Cascading Style Sheets is more extensive. Noteworthy frameworks designed for the platform include: XHTML 1.

The framework is commonly used with Castle ActiveRecord. A simple framework for. With IIS 7. NET for providing the UI for the web form.

This criticism does not apply to ASP. NET Framework releases: Date January Routing November NET Framework 4 features. Incorporation of ASP. Based on Windows programming. NET for login roles. New data controls ListView. NET related features Object oriented web application development supporting Inheritance. DataPager ASP. NET Framework 3. NET releases history tightly correlates with the.

NET to host services. Abstractions and System. FastCGI hosting. EntityFramework and WF. NET" http: July Retrieved NET began in Java" http: Scott Guthrie" http: November Notes [1] http: Business Wire.

NET can be run with Mono using one of three options: January Mono" http: Professional Developers Conference " http: The Architecture Journal. The Register. December Archived from the original http: Code Inline" http: NET 4. Around the same time. For example. The framework aims to alleviate the overhead associated with common activities performed in Web development. NET 3. While the vast majority of languages available to programmers to use in creating dynamic web pages have libraries to help with common tasks.

Mike Murach and Associates. Mario Some web servers such as Apache Tomcat were specifically designed to handle dynamic content by executing code written in some languages. NET http: Data Access in the ASP.

To provide a dynamic web page that reflected user inputs. Pro ASP. Sams Publishing. Any modifications to published pages needed to be performed by the pages' author. Murachs ASP. September JavaServer Faces. Programmers wanted tighter integration with the web server to enable high traffic web applications. The code that generates the HTML can do this based on variables in a template.

A syntax is made available to distinguish between HTML and variables. An alternative to this is pull-based architecture. The text to be generated can come from a database. These are to be used only for decisions that need to be made for the presentation layer. Consider the example of a real estate agent with houses for sale. From an architecture perspective.

Many template engines do support limited logic tags. This is generally considered a good practice as it modularizes code. In this architecture. Wicket and Stripes are examples of pull-based architectures. These frameworks use actions that do the required processing. JBoss Seam. They may provide functional APIs.

Programming Book

Drupal's structure provides a minimal core whose function is extended through modules that provide functions generally associated with web application frameworks. In a static web site. Content Management Systems Some projects that have historically been termed content management systems have begun to take on the roles of higher-layer web application frameworks.

These frameworks start with the view layer. Push-based vs. Examples of this include JavaEE Servlets. In a template. In a dynamic website. For instance. Pull-based Most MVC frameworks follow a push-based architecture. Web application framework Eventually.

Ruby on Rails. Add-on modules now enable these systems to function as full fledged applications beyond the scope of content management. Some Ajax frameworks are even embedded as a part of larger frameworks.

Due to the complexity of Ajax programming in Javascript. A graph traversal approach also tends to result in the creation of friendly URLs. The intent is to make web pages feel more responsive by exchanging small amounts of data with the server behind the scenes.

Ajax Ajax. This makes the URL easier to read and provides search engines with better information about the structural layout of the site. Some frameworks. Drupal is one example that provides role-based access to pages.

Some application frameworks provide mechanisms for caching documents and bypassing various stages of the page's preparation. Web application framework the M odel in the MVC pattern. Security Some web application frameworks come with authentication and authorization frameworks. Another technique is that of graph traversal such as used by Zope. Other features web application frameworks may provide include transactional support and database migration tools. This is intended to increase the web page's interactivity.

With the increased interest in developing "Web 2. A web cache stores copies of documents passing through it. For higher performance. Database access and mapping Many web application frameworks create a unified API to a database backend. AOLserver does. These compilers and their associated widget set libraries make the development of Rich Media Ajax Applications much more akin to that of developing Desktop applications.

References [1] Multiple wiki. Python and Ruby. Common Gateway Interface" http: This allows the application designer to design business objects without needing to explicitly define a database schema. The first of these compilers was Morfik followed by Google Web Toolkit. Frameworks such as Ruby on Rails can also work in reverse. Tony Web services Some frameworks provide tools for creating and providing web services. Kris These utilities may offer similar tools as the rest of the web application.

Web application framework to code in high-level languages such as Java. EnterpriseServices namespaces of the framework. It includes a large library. Windows NT 4. NET Framework The CLR is an application virtual machine so that programmers need not consider the capabilities of the specific CPU that will execute the program.

Principal design features Interoperability Because computer systems commonly require interaction between new and older applications. NET Framework provides means to access functionality that is implemented in programs that execute outside the.

The class library is used by programmers. NET supports. NET Framework execute in a software as contrasted to hardware environment. Access to COM components is provided in the System.

Programs written for the. InteropServices and System. The CLR also provides other important services such as security. NET library is available to all the programming languages that. The framework's Base Class Library provides user interface. NET Framework is intended to be used by most new applications created for the Windows platform. In order to be able to develop and not just run applications. The class library and the CLR together constitute the. NET environment. NET Framework allows it to theoretically be platform agnostic..

Simplified Deployment The. Microsoft submitted the specifications for the Common Language Infrastructure which includes the core class libraries. The BCL provides classes which encapsulate a number of common functions. The CTS specification defines all possible datatypes and programming constructs supported by the CLR and how they may or may not interact with each other conforming to the Common Language Infrastructure CLI specification.

Common Type System. Security The design is meant to address some of the vulnerabilities. NET Framework supports the exchange of types and object instances between libraries and applications written using any conforming. That is. NET Framework includes design features and tools that help manage the installation of computer software to ensure that it does not interfere with previously installed software.

While Microsoft has never implemented the full framework on any system except Microsoft Windows. NET provides a common security model for all applications. This makes it possible for third parties to create compatible implementations of the framework and its languages on other platforms.

Because of this feature. Portability The design of the. XML document manipulation and so on. The demand causes the CLR to perform a call. Metadata All CIL is self-describing through. Typically the evidence is the source of the assembly whether it is installed on the local machine or has been downloaded from the intranet or Internet. The complete name of an assembly not to be confused with the filename on disk contains its simple text name.

By implementing the core aspects of the. A private key can also be specified known only to the creator of the assembly and can be used for strong naming and to guarantee that the assembly is from the same author when a new version of the assembly is compiled required to add an assembly to the Global Assembly Cache. Assemblies The CIL code is housed in. As mandated by specification..

NET assemblies. Other code can demand that calling code is granted a specified permission. Metadata is usually generated by language compilers but developers can create their own metadata through custom attributes. Code Access Security is based on evidence that is associated with a specific assembly. Metadata contains information about the assembly. The CLR checks the metadata to ensure that the correct method is called.

NET has its own security mechanism with two general features: Code Access Security uses evidence to determine the permissions granted to the code. The assembly consists of one or more files. NET metadata. The public key token is a unique hash generated when the assembly is compiled. CodeDom System. The verification mechanism checks to see if the code does anything that is 'unsafe'. NET Framework as well as its alternative implementations including.

The algorithm used is quite conservative.

Most of the built in APIs are part of either System. This helps increase the fault tolerance of the application. Unsafe code will only be executed if the assembly has the 'skip verification' permission. NET Framework includes a set of standard class libraries.

It includes an expanded set of libraries. This can help increase the security of the application by isolating potentially unsafe code. Application Domains can also be configured independently with different security privileges.

The developer. Diagnostics System.


NET Framework stack walk: Collections System. Windows Communication Foundation among others. When an assembly is loaded the CLR performs various tests. Verification is not so exact. Resources System. Two such tests are validation and verification. NET Framework class library is divided into two parts: NET Compact Framework. Microsoft Silverlight and Mono. Application Domains can be created and code can be loaded into or unloaded from them independent of other Application Domains.

Text System. The class library is organized in a hierarchy of namespaces. Windows Presentation Foundation. RegularExpressions [9] The. These class libraries implement a large number of common functions. Language Integrated Query. The BCL classes are available in both. Globalization System. IO System. It uses. ISO followed in April It then enumerates all the objects on the heap which were initially allocated contiguously using reflection. NET types objects is done contiguously[10] from the managed heap.

When there is no reference to an object. ECMA and ISO require that all patents essential to implementation be made available under "reasonable and non-discriminatory terms". All objects not marked as reachable are garbage.

Microsoft announced that much of the source code for the. By December Patents that Microsoft holds in these areas may deter non-Microsoft implementations of the full framework. To this end. NET metadata and reflection to discover the objects encapsulated by an object.

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NET Framework uses up to Generation 2 objects. The GC used by. NET Framework is actually generational.. NET application has a set of roots. NET Framework includes a garbage collector which runs periodically. This helps increase the efficiency of garbage collection.

The GC runs only when a certain amount of memory has been used or there is enough pressure for memory on the system. These include references to static objects and objects defined as local variables or method parameters currently in scope. As long as there exists a reference to an object. The objects are then compacted together to make used memory contiguous again.

In addition to meeting these terms. The objects that survive a garbage collection are tagged as Generation 1. Since it is not guaranteed when the conditions to reclaim memory are reached. NET Framework versions. Being released under the non Open-source Microsoft Reference License means this source code is made available for debugging purpose only.

A reduced version of the framework. Version Version Number Release Date 1. Windows Server R2 A more complete listing of the releases of the. NET Framework stack. Version 3. NET Micro Framework is targeted at severely resource-constrained devices. NET Framework may be found on the List of. Windows Workflow Foundation WF. NET Framework family also includes two versions for mobile or embedded device use.

By late the first beta versions of. Microsoft has included a tool to obfuscate code Dotfuscator Community Edition. The size issue is partially solved with. NET Framework runtime installers for end-users. NET Framework is the predominant implementation of.

NET Alternative implementations of the CLR. In case the CPU lacks support for those extensions. ISO shall not be held responsible for identifying any or all such patent rights. Two significant limitations should be noted.

NET Framework Client Profile will be available on all operating systems and all architectures excluding Itanium supported by the full. NET technologies. NET Framework installed. NET is only supported on Windows. ISO standards may include the disclaimer.

The size is around 54 MB for. Some developers have expressed concerns about the large size of the. Other implementations for parts of the framework exist. Alternative implementations The Microsoft. While all of these implementations are based on the same standards. Since Visual Studio. Microsoft's full implementation of. For this reason. NET are inherently cross platform.

NET version Microsoft ships for Windows and are on occasion incompatible. Microsoft does provide limited. In all other scenarios. Simd namespace. Mac OS X. It is dual-licensed under free software and proprietary software licenses. NET Framework" http: Automatic Memory Management in the Microsoft. It parses. Some alternative implementations of parts of the framework are listed here. Retrieved 1 June It also includes C and VB. NET Micro Framework is a. C http: Information technology.

It includes support for ASP. NET Framework non-Windows platforms can be problematic. NET base class libraries about 70 classes with about methods. It also features a subset of the. Mono is actively being developed by Novell. Programming languages. It is free software using the open source MIT License.

NET platform for extremely resource-constrained devices. It supports a variety of CPUs and operating systems. Wii and others and operating systems. NET compilers. It includes a small version of the. Retrieved 15 September Channel 9. Retrieved 3 August Foreword [27] http: Retrieved 26 June Neil MacDonald. Introduction'" http: Free Software Foundation.

Making Mono safe for Gaming http: And just to be clear. Amrit Williams. NET and Windows Forms. Neither alternative to real ASP fully emulates every feature. This was done in order to achieve high performance compared to calling external executable programs or CGI scripts which were the most popular method for writing web applications at that time. Microsoft's ASP can use both and has the potential to have other languages make use of the scripting engine. PerlScript a derivative of Perl and others are available as third-party installable Active Scripting engines.

NET 4. NET is one of the most widely adopted Web application platforms available today. This series covers the basics the new or practicing. It comprises 4 articles: Chapter 1: Introduction to. NET This chapter begins by asking the questions, "What is. Finish off by developing your first ASP.

NET page! This chapter begins below. Chapter 2: ASP. NET page structure, and understand the View State. NET languages. Chapter 3: VB. Lastly, we discuss the concept of object-oriented programming and the philosophy of separating design from content as we look closely at code-behind.

The chapters cover everything from the basics of database design and development, through ADO. Your Feedback If you have a question about any of the information covered in this series, your best chance of a quick response is to post your query in the SitePoint.

Suggestions for improvement as well as notices of any mistakes you may find one or two may have slipped through the cracks are especially welcome — submit these to SitePoint Book Support. NET Website! NET, Chapter 1 — Introduction to.

It is a technology that Microsoft claims will reinvent the way companies carry out business globally for years to come. What is this show-stopping technology? What is. The key features that. NET offers include:.

NET Platform: The. NET platform includes the. NET Framework and tools to build and operate services, clients, and so on. NET, the focus of this book, is a part of the. NET Framework. NET Products:. NET, Office. NET, Visual Studio. NET Server. NET, Visual Basic. NET, and C. Because all these products are built on top of. The collection of My Services currently extends to passport, messenger, contacts, email, calendars, profiles, lists, wallets, location, document stores, application settings, favorite Websites, devices owned, and preferences for receiving alerts.

The book focuses on one of the core components within the. What is ASP.

ASP.Net: The Complete Reference

ASP has gained popularity by offering the simplicity of flexible scripting via several languages. Early in , Microsoft released its new technology for Internet development. NET, and represents a leap forward from ASP both in sophistication and productivity for the developer. It continues to offer flexibility in terms of the languages it supports, but instead of a range of simple scripting languages, developers can now choose between several fully-fledged programming languages.

Development in ASP. NET requires not only an understanding of HTML and Web design, but also a firm grasp of the concepts of object-oriented programming and development. NET pages are constructed. NET actually is. NET is a server-side technology for developing Web applications based on the Microsoft.

NET is server-side; that is, it runs on the Web server. When a Web browser requests a Web page created with client-side technologies, the Web server simply grabs the files that the browser the client requests and sends them down the line. The client is entirely responsible for reading the code in the files and interpreting it to display the page on the screen.

Server-side technologies, like ASP. NET, are different. Instead of being interpreted by the client, server-side code for example, the code in an ASP. NET page is interpreted by the Web server.

In the case of ASP. As all processing of ASP.

As Figure 1. The server and server-side technology is entirely responsible for processing the dynamic portions of the page. Figure 1. The Web server is responsible for processing the server-side code and presenting the output to the user client. NET is a technology for developing Web applications.

A Web application is just a fancy name for a dynamic Website. Web applications usually but not always store information in a database on the Web server, and allow visitors to the site to access and change that information. Rather than tying you to a specific technology and language, however, ASP. NET lets you write Web applications using a variety of familiar programming languages. Finally, ASP. NET is based on the Microsoft.

NET Framework collects all the technologies needed for building Windows applications, Web applications, and Web Services into a single package with a set of more than twenty programming languages. To develop Websites with ASP. NET so good? Compared with other options for building Web applications, ASP. NET Websites.

NET pages are compiled, not interpreted. Instead of reading and interpreting your code every time a dynamic page is requested, ASP. NET compiles dynamic pages into efficient binary files that the server can execute very quickly.

NET has full access to the functionality of the. Support for XML, Web Services, database interaction, email, regular expressions, and many other technologies are built right into. NET, which saves you from having to reinvent the wheel. With all these advantages, ASP.This speeds up all later runs of the software as the CIL-to-native compilation is no longer necessary.

While all of these implementations are based on the same standards. The main advantage of this mode is that it allows the application to balance load on a server cluster, sharing sessions between servers. NET runtime.

Configuration Namespace http: In the case of transport protocols that do not implement a formal session layer e. NET offers a "Cache" object that is shared across the application and can also be used to store various objects. The client is entirely responsible for reading the code in the files and interpreting it to display the page on the screen.

Code Access Security uses evidence to determine the permissions granted to the code. Showing

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