What is ASP.net?
Microsoft's ASP.net is a server-side scripting technology that can be used to create dynamic and interactive Web applications. It is an important application that web hosting companies have implemented in their hosting server technology as well. Hosting resellers can benefit a lot from the web space package taken from web hosting companies who have implemented such applications as they would find the space to run their web application in asp.net which nowadays has been in demand. An ASP.net page is an HTML page that contains server-side scripts that are processed by a web server before being sent to the user’s browser. You can combine ASP with Extensible Markup Language (XML) and Hypertext Markup Language (HTML) to create powerful interactive Web sites. ASP.net coding is more "compact" than ASP code; the scripts required to perform a given function are shorter in ASP.net than they are in ASP.
Since the server-side script is building a regular HTML page, it can be served to almost any browser. An ASP.net file can be created by using any text editing tool, such as notepad.
A Microsoft server-side Web technology. ASP.NET takes an object-oriented programming approach to Web page execution. Every element in an ASP.NET page is treated as an object and run on the server. An ASP.NET page gets compiled into an intermediate language by a .NET Common Language Runtime-compliant compiler. Then a JIT compiler turns the intermediate code to native machine code, and that machine code is eventually run on the processor. Because the code is run straight from the processor, pages load much faster than classic ASP pages, where embedded VBScript or JS Script had to be continuously interpreted and cached.
ASP.NET is used to create Web pages and Web services and is an integral part of Microsoft's .NET vision.
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When you access your web hosting account, everything you need is available right there in hosting panel or domain control panel itself.
The main tools available within your panels let you do the basic domain and web space administration required to keep your website in order. You can set or reset your login details, ftp details and email accounts from web hosting control panel. You can access and maintain all your databases from your web hosting control panel as well, review basic statistics of your website, check your bandwidth use, check which scripts are supported, block certain IP addresses (depends on the web hosting package terms) from accessing your website, check for and clear up viruses, make a backup of your entire site, and other general maintenance actions, or grooming, of your domain.
If your web hosting plan allows it, you can actually set up different domains within your single account and control them all through your hosting or domain control panel.
Within your webhosting panel, you will more often than not find handy little extra applications called file manager. It is what made easier for a client to deploy website files in web space without taking the help of ftp account. Inbuilt feature of webhosting panel helps doing so, and this brilliant tool really comes as a handy element for hosting resellers who in this case every now and then need not have to memorize or search for ftp login information for different domains of its clients. It is not restricted to limited upload or download. One can deploy unlimited files in its web space using the feature however restricted to limited upload in some online software at one time due to unavailability to browse for unlimited files. Bandwidth doesn’t get much affected with such move and unlimited upload and download can easily be taken into process (incase the package has unlimited web space and bandwidth facility).
Some hosting panel has the feature of adding java applications separately to its web space package. As java is an important and widely used application most of the web hosting companies will make it sure the compatible features to enable the java application resides in the online software or control panel.
Many web hosting companies have added online shopping application in its web space packages which helps clients to add up the application to its website at ease rather swaying the process of manipulation and editing. These come free nowadays with web hosting packages. Most of the web hosting companies has included such applications for free in its web hosting package to let their client get benefited for hosting web applications.
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Active Server Pages (ASP) establishes strong popularity in business and software development. From applications web hosting Delhi which outfits well with ASP to applications built with ASP, the potency of ASP reclines in building dynamic HTML web pages which are based on a user's input and profile.
There are a few rules about utilization of ASP, the first one being a judgment regarding attaching to it and not itinerant off to UNIX or a number of other server platform. ASP excels with ActiveX/COM components, Microsoft Index Server, SQL Server databases and Microsoft Commerce server. ASP also utilizes Web hosting Delhi VB Script as a language; therefore ASP carries out well in the hands of an experienced VB user. Which just similar to any other programming language, troubleshooting is needed for ASP.
Another most important feature which web hosting makes ASP the programmer’s selection is its interface to regular tasks; the attribute simplifies web programming by turning the easy tasks easier. The interface employs the qualities of ASP besides exposing them as objects.
As in object-oriented programming, the programmer generates an occurrence of an object; ASP brings objects which are previously initiated and existing to the scripting language engine. The objects are therefore known as intrinsic and engage no work in advance. These objects could be accessed Web hosting all time and summarize a set of very definite services, separately from providing shorthand access to widespread tasks similar to reading the submitted data, redirecting the client's browser, reading and writing cookies, and with some more functionality.
These can be explained as placeholders Web hosting for server surface global variables (IIS application), that describes the physical space of a web server chosen for a website. However a web server can have numerous IIS application, while one ASP application object is chosen per IIS application. This is because the Application object’s collection which holds user generated variables. Therefore when a programmer generates a variable, it is place on the contents collection that may hoard scalar variables and arrays separately from the objects as well.
Different to recognizable document types similar ASP serves documents, HTML documents of its own file type. Therefore an web hosting ASP document permits processing on the server side previous to it is come again to the browser. The extension of the ASP file is .asp. Documents with .asp extension give all the existing functionality resulting from ASP; it is also able of carry out script commands inside the document. The file extension assists the web server is familiar with the file that executes the script commands inside the file. The process; though, treats web hosting additional markup languages (e.g. HTML) in a standard style. This creates the source code of the put aside file's Perl Script (script commands written in PERL) engaged to the user as view: source does not function, as everything is accessed on the server side and returned items come in a standard format in HTML form.
For performing the script web hosting commands inside an ASP file, it should be particular what scripting language must be utilized for ASP to identify the commands. Setting a default scripting language in the .asp document can perform this; the specified scripting language shall then execute all script commands inside the tags and , which is called the script-delimiters. This setting can moreover be applied inside the Microsoft Management Console's IIS snap-in, or can be utilized as what ASP knows as a page command.
Ever thought of building a framework for dynamic HTML pages? Or making Internet and Intranet based applications interactive? It is possible, and the best part is that you need not rack your brains anymore. Just get your web Hosting hands on ASP- an abbreviation for the Active Server Pages, a specification for a dynamically created Web page with an ASP extension.ASP is also a feature that installs with Microsoft’s Internet Information Services (IIS) web-server and requires no special interaction or configuration. The server-side technology also does not put any requirements on the client or browser, and, as a result, gives rise to no browser-compatibility issues. An ASP file can contain text, HTML tags and scripts that are executed on the server; therefore, some basic understanding on HTML / XHTML shall be an added privilege.
ASP is an abbreviation for the Active Server Pages, for created dynamic Web Pages a with an ASP extension.ASP is also an attribute web hosting which are installed with Microsoft's Internet Information Services (IIS) web-server and needs no special interaction or configuration. The server-side technology also does not place any constraints on the client or browser as a result, provides go up to no browser-compatibility problems. An ASP file can enclose text, HTML tags and scripts which are executed on the server; so with, a number of basic understandings on XHTML/ HTML shall be an added opportunity.
A narrowing for Active Server Pages and a program web Hosting that runs within Internet Information Services, a free component which approaches with Windows 2000 or with Windows NT 4.0 Option Pack. ASP is a Microsoft Technology and an attribute of Microsoft's web server software. These ASP and Chili ASP are the technologies which permit ASP to run with no Windows OS.
An ASP file is identical to a HTML file and can hold text, XML, HTML, and scripts. Scripts in an ASP file are performed on the server. An ASP file has the file extension asp. Every Microsoft web hosting packages hold Active Server Pages.
ASP approaches free as it arrives with the Win2000 OS. It is fraction of IIS and must be added with add/remove programs with the help of the menu.
Cross Site Scripting and Cross-Site Request Forgery (CSRF) attacks are one of dangerous attacks on web. They are among the most famous security issues affecting web applications. OWASP regards is the number one security issue on the Web. Both ASP.NET Web Forms and ASP.NET MVC paid very much attention to make applications build with ASP.NET as secure as possible. So by default they will throw an exception 'A potentially dangerous value was detected from the client', when they see, < followed by an exclamation (like element if you are using Web Form. This will globally disable request validation. But in ASP.NET MVC request handling is different than ASP.NET Web Form. Therefore for disabling request validation globally in ASP.NET MVC you have to put Validate Input Attribute in your every controller. This becomes pain full for you if you have hundred of controllers. Therefore in this article i will present a very simple way to handle request validation globally through web.config.
Before starting how to do this it is worth to see why validate Request in Page directive and web.config not work in ASP.NET MVC. Actually request handling in ASP.NET Web Form and ASP.NET MVC is different. In Web Form mostly the Http Handler is the page handler which checks the posted form, query string and cookie collection during the Page Process Request method, while in MVC request validation occur when Action Invoker calling the action.
The ASP.NET Dynamic-Language Runtime (DLR) is a framework for using .NET Framework-based dynamic languages. The project includes samples for creating ASP.NET Web pages by using dynamic languages such as Iron Python and Iron Ruby.
ASP.NET MVC 2 RTM source as well as the source for ASP.NET MVC 2 Futures is now available for download.
ASP.NET Ajax Library Beta is now available for download. This release includes the Ajax Control Toolkit, the new client script loader, the new imperative syntax, and jQuery integration.
Lightweight Test Automation Framework Nov. Release is now available for download. This release features several improvements, bug fixes, and new tools.
Dynamic Data 4 is now available for download. Plus a new Domain Data Source for business logic for Web Forms is available.
ASP.NET is what you get when you combine ASP with .NET. You can build web pages and dynamic web applications with less code. You also gain the ability to create applications in .NET compatible languages such as C#. The tutorials in this section show what you can do with this versatile marriage of technologies.
ASP.NET is one of the most popular Internet and Web development tools in use today. Our ASP.NET Resource Center focuses on the vast amount of free ASP.NET content available online, plus some for-sale items. Start your search here for tools, downloads, text and video tutorials, webcasts, podcasts, wikis, documentation, reference manuals, conferences, FAQs, books, e-books, sample chapters, articles, newsgroups, forums, downloads from CNET's download.com, jobs and contract opportunities, and more that will help you develop ASP.NET-based applications. Keep track of ASP.NET blogs for the latest news and developments, or sign up for RSS feeds to be notified promptly of each new development. Download free open-source ASP.NET projects. Check out our ASP.NET terminology list —we've alphabetized hundreds of the key ASP.NET-related terms from the ASP.NET Resource Center so you can quickly see what kinds of resources you'll find.
Create and run a simple Web form example. Consider fee-based courses from Microsoft. Learn about Web forms, Web controls, multitier application architecture, ASP.NET 2.0 site navigation, filtering database data with parameters, and accessing database data. Make your ASP.NET applications talk. Customize sites with Web Parts. Learn the new features of IIS 7.0 including its complete integration with ASP.NET. Learn the new ASP.NET 2.0 code-behind model. Build wizard-based forms with less code.
Use ASP.NET Atlas to create an Ajax-based Web application. Check out the ASP.NET Project Atlas Quick start Tutorial. Download the ASP.NET Atlas wiki to create your own wiki Web site. View demos of ASP.NET applications. Check out an ASP.NET blog application, an ASP.NET business process management solution, and a Sudoku library that generates new puzzles and solves existing ones. Check out lots of ASP.NET code, including an ASP.NET calendar and event planner and an ASP.NET guestbook. Check out CAPTCHA—the "completely automated public Turing test to tell computers and humans apart." Learn about XML Web services and how to convert existing ASP applications to ASP.NET.
Check out ASP.NET-related Yahoo Groups and Google groups. Read insider blogs—Scott Guthrie, from Microsoft's ASP.NET team, blogs about ASP.NET, IIS and Visual Web Developer 2005; Shanku Niyogi, the ASP.NET Program Manager, blogs about the latest ASP.NET developments, events and more. Check out the best job sites and set up alerts so that you are notified when new jobs are posted. Check out a weekly Internet talk show for .NET developers. And have some fun with ASP.NET-based game programming—including hangman, blackjack, and "Dr. GUI.NET" from Microsoft—a game based on John Conway's Game of Life.
C# is one of the most popular object-oriented, event-driven programming languages in use today. Our C# Resource Center focuses on the enormous amount of free C# content available online. Start your search here for resources, downloads, tutorials, webcasts, C# game programming resources, documentation, books, e-books, journals, articles, blogs, RSS feeds and more that will help you develop C# applications.
As we scoured the Web, we found some fabulous and fun sites that we think you’ll enjoy. Interested in becoming a game programmer? The C# Resource Center includes links to several C# game programming webcasts that will teach you how to develop games and an animated screensaver using C#. Want to know what the experts are saying about C#? You’ll find links to Microsoft’s Visual C# 2005 Team blogs. Interested in using an open-source version of C#? Check out the Sharp Develop open-source integrated development environment downloads tutorials and articles.
The DotNetNuke Resource Center is your guide to the online resources for this open-source framework for web applications development. DotNetNuke, based on the Microsoft .NET framework, allows you to build robust, enterprise web applications including complex web sites and content management systems. In fact, we’ve used DotNetNuke and some of the third-party modules to develop the Deitel web site. In our DotNetNuke Resource Center you'll find:
A walkthrough of the DotNetNuke web site where you'll find downloads, community modules, forums, online help, a demo, project blogs, the security policy, web hosting benefits, news, community events, a bug tracker and more.
A video introduction to DotNetNuke.
The DotNetNuke Quick Start Videos.
The tutorial, "Creating a DotNetNuke Module—For Absolute Beginners!" by Michael Washington.
The article, "Create Your First DotNetNuke Skin with Dreamweaver," by Vasilis Terzopoulos.
Blogs from numerous DotNetNuke team members including Shaun Walker, the creator and maintainer of DotNetNuke, and Joe Brinkman, the Lead Architect and Security Specialist.
DotNetNuke modules including a mapping module that enables you to add Google Maps into your web pages, a DotNetNuke image gallery module, the AJAX-based Visual DotNetNuke Admin module to help manage your DotNetNuke site and more.
A walkthrough of the Snowcovered website where you'll find numerous for-sale DotNetNuke skins and modules developed by third-party vendors.
DotNetNuke help documentation.
The sample chapter, "The Express and DotNetNuke Combination," from the book, Beginning DotNetNuke 4.0 Web site Creation in C# 2005 with Visual Web Developer 2005 Express: from Novice to Professional, by Nick Symonds..
The DotNetNuke OpenForce conferences.
The tutorial, “How to Build a Website Using DotNetNuke,” from DotNetNuke Creative Magazine.
Resources from the DotNetNuke Project, including the project road map.
BuildPortal.com—a free Web 2.0, Ajax-enabled DotNetNuke portal builder system.
DotNetNuke resources, articles, books, sample chapters, tutorials, podcasts and more.
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When selecting a web host, expensive is NOT superior. The entire world of web hosting is thorny, and it is tough to inform how trustworthy a host can be. Cost should not be seemed at as a measure of how fine a web host is, as the price of hosting is at the present barely important when contrast to other services like live support and server management. Cheap web hosting which is good does live, and several times, it is better than exclusive web hosting plans which are offered by strictly unsound people.
The things which you should get note of when searching for cheap web hosting are mostly the technical-support, the speed and the memorials the web host has. These aspects are more significant in comparison to others, because hardware across all good and bad hosts are almost alike, and what differentiates them is how rapidly you can obtain to them at any time you have difficulty so that your website has the least amount of downtime possible.
With ASP.NET, developers can choose to create the server-side code for their Web pages in a myriad of languages. The most common languages that developers will choose will likely be VB.NET or C#. (There are a number of other languages one can choose to use, from Perl.NET to JScript.NET to COBOL.NET.) Of the many ASP.NET articles and code examples that exist on the Web, it seems that while a slim majority of them are shown VB.NET, a good number are written in C#.
What language is the "best" language choice? If you are a VB wizard, should you take the time to learn C# or continue to use VB.NET? Are C# ASP.NET pages "faster" than VB.NET ASP.NET pages? These are questions that you may find yourself asking, especially when you're just starting to delve into .NET. Fortunately the answer is simple: there is no "best" language. All .NET languages use, at their root, functionality from the set of classes provided by the .NET Framework. Therefore, everything you can do in VB.NET you can do in C#, and vice-a-versa. The only differences among languages is merely a syntactical one.
If you are more familiar with Java, JSScript, or C/C++, you may find C#'s syntax more familiar than VB.NET's. If you've been doing VB for the past five years, there's no reason to think you have to now switch to a new language (although you should always look to be learning new things).
What if you have an ASP.NET Web page written in C# that you want to convert to VB.NET, or vice-a-versa? As aforementioned, the languages only differ in their syntax, so this translation, while not usually trivial, is still fairly straightforward, and can be accomplished systematically.
In ASP.NET you can use the language you want to use to produce the page (VB.NET or C#).
All the code is in a particular file that is not including in the web pages and you must recompiling when you make changes, because ASP.NET using compiling language.
The compiling of the page was made at the server the first time and in the next run reuse this compiling result.
This is a simple introduction to the difference between this two language, but is not sufficient to define the difference of this two languages.
ASP is run under the inetinfo.exe (IIS) process space and hence susceptible to application crashes as a result the IIS needs to be stopped or restarted. ASP is related to the process isolation setting in IIS.
The ASP.NET worker process is a distinct worker process, aspnet_wp.exe, separate from inetinfo.exe (IIS process), and the process model in ASP.NET is unrelated to process isolation settings in IIS.
Classical ASP had no mechanism of running itself on non- Microsoft technology platforms like the 'The Apache Web Server'
ASP.NET could be run on non-Microsoft Platforms also. Cassini is a sample Web server produced by Microsoft which, among other projects, has been used to host ASP.NET with Apache.
In ASP, ASP engine executes server-side code, which is always through an interpreter (JSScript or VBScript). When a traditional ASP page is requested, the text of that page is parsed linearly. All content that is not server-side script is rendered as is back to the response. All server-side script in the page is first run through the appropriate interpreter (JSScript or VBScript), the output of which is then rendered back to the response. This architecture affects the efficiency of page rendering in several ways. First, interpreting the server-side script on the fly. As a side effect, one common optimization for ASP applications is to
move a lot of server-side script into precompiled COM components to improve response times. A second efficiency concern is that intermingling server-side evaluation blocks with static HTML is less efficient than evaluating a single server-side script block, because the interpreter has to be invoked over and over again. Thus, to improve efficiency of rendering, many ASP developers resort to large blocks of server-side script, replacing static HTML elements with Response. Write() invocations instead. Finally, this ASP model actually allows different blocks of script within a page to be written in different script languages. While this may be appealing in some ways, it also degrades performance by requiring that a particular page load both scripting engines to
process a request, which takes more time and memory than using just one language.
In contrast, ASP.NET pages are always compiled into .NET classes housed within assemblies. This class includes all of the server-side code and the static HTML, so once a page is accessed for the first time (or any page within a particular directory is accessed), subsequent rendering of that page is serviced by executing compiled code. This eliminates all the inefficiencies of the scripting model of traditional ASP. There is no longer any performance difference between compiled components and server-side code embedded within a page they are now both compiled components. There is also no performance difference between interspersing server-side code blocks among static HTML elements, and writing large blocks of server-side code and using Response. Write() for static HTML content. Also, because the .aspx file is parsed into a single code file and compiled, it is not possible to use multiple server-side languages within a single .aspx file.
In classic ASP it was very difficult for us to debug the application. ASP developers had time to debug application due to limited support due to the interpreted model.
But in ASP.NET In addition to improved performance over the interpreted model, pages that are compiled into classes can be debugged using the same debugging tools available to desktop applications or component developers. Errors with pages are generated as compiler errors, and there is a good chance that most errors will be found at compilation time instead of runtime, because VB.NET and C# are both strongly typed languages. Plus, all the tools available to the .NET developer are applicable to the .aspx developer.
In ASP.NET it is no longer possible to include executable code outside the scope of a function within a script block marked as run at=server, and conversely, it is no longer possible to define a function within a pair of server-side script tags.In traditional ASP applications, components used by pages and deployed in this fashion were notoriously difficult to update or replace. Whenever the application was up and running, it held a reference to the component file so to replace that file, you had to shut down IIS (temporarily taking your Web server offline), replace the file, and restart IIS.
The goals of ASP.NET was to eliminate the need to stop the running Web application whenever components of that application need to be updated or replaced that is, updating an application should be as simple as using xcopy to replace the components on the Web server with the new updated versions. To achieve this xcopy deployment capability, the designers of ASP.NET had to ensure two things: first, that the running application not hold a reference to the component file and second, that whenever the component file was replaced with a new version, that new version was picked up with any subsequent requests made to the application. Both of these goals are achieved by using the shadow copy mechanism provided by the Common Language Runtime (CLR).
Shadow copying of assemblies is something you can configure when you create a new application domain in .NET. The Asp Domain Setup class (used to initialize an Asp Domain) exposes a Boolean property called Shadow Copy Files and a string property called Cache Path, and the Asp Domain class exposes a method called Set Shadow Copy Path() to enable shadow copying for a particular application domain. The Boolean property turns the mechanism on for a particular application domain, the Cache Path specifies the base directory where the shadowed copies should be placed, and the Set Shadow Copy Path() method specifies which directories should have shadow copying enabled.ASP.NET creates a distinct application domain for each application it hosts in its worker process and for each application domain, it enables shadow copying of all assemblies referenced in the /bin directory. Instead of loading assemblies directly from the /bin directory, the assembly loader physically copies the referenced assembly to a separate directory (also indicated in the configuration settings for that application domain) and loads it from there. This mechanism also keeps track of where the assembly came from, so if a new version of that assembly is ever placed in the original /bin directory, it will be recopied into the Note shadow" directory and newly referenced from there.