Saturday, April 30, 2011

learn asp nice and easy

hay guys its my first thread so plz stay calm in casse of any mistake and do let me know

overview of asp
ASP stands for Active Server Pages. ASP is a server side technology which is used to display dynamic content on the web pages. ASP is becoming popular day by day as the favorite server side technology. ASP in itself isn't a language actually, instead it uses VBScript or JScript to display dynamic content. ASP is more of a technology used by VBScript / JScript on the server side. So if you know VBScript or JScript you can start creating .ASP pages right now.

I will assume here that you are not familiar with VBScript, the language of choice for creating ASP pages. So I will also give you a little insight into VBScript too. But a general understanding of HTML is required.

requirements
You must be wondering what is required to run an ASP page ? well if you are running windows then you can download Personal Web Server ( for Win95 & Win98 ) or Internet Information Server ( for WinNT ) from www.microsoft.com. If you are running Windows 2000 then you have got IIS 5 already, you just need to install it. Just go to the 'control panel' and click the 'Add/Remove Programs' icon. Then on the left click the 'Add/Remove Windows Components' button, a window will appear offering you a lot of choices. Just check where 'Internet Information Services' is written and click 'Next', your IIS 5 will be installed. For those of you who are running other operating systems please take a look at www.chilisoft.com. They offer ASP solution for those of us not running Microsoft Windows. Please note that Chilisoft products are not free but you can download PWS or IIS free of cost from Microsoft's web site above.


Installing Personal Web Server
If you are running Windows 95/98 then you will most probably be needing PWS to run .asp pages. Just in case if you don't know what PWS stands for, PWS stands for Personal Web Server. If you have got Windows CD with yourself then you can install PWS from there. Or if you want then you can download the latest version of Personal Web Server from www.microsoft.com. Installation is all very easy. Just run the setup file and PWS will install just as any other application is installed on your system. I will advise you to accept the defaults when it comes to giving the location as to where the 'inetpub' and 'wwwroot' directories should be installed. Once the setup finishes you will most probably be ready to run the PWS.

After the installation of PWS, you will find a PWS icon on your desktop and probably a PWS small icon in the tray on the right lower corner of your desktop too. Double click any of them to bring up the PWS control window. If the PWS is already running then you will see an option 'Stop PWS'. But if PWS has been stopped and is not running then you will see the option to 'Start PWS'. Since we want to check that PWS has installed successfully and everything is running optimally, you should start the PWS if it is not already running. If it has started on its own then don't do anything.

Ok, now we want to check if PWS is running correctly and Active Server Pages are running or can be run. Open your Internet browser e.g. Microsoft Internet Explorer. In the URL box enter http://127.0.0.1 and press enter. If all is well then you will see a default page generated by PWS. When you install PWS it also sort of builds a default web site on your system, and that is what we tested here. If you can see some page then PWS is running correctly and we are done. But if PWS is running and you cannot see any page by entering the above URL then you might need to restart your computer and then start PWS again and then open your browser and enter the URL as given above. Hopefully everything will be alright now. Installation of PWS is very eay and most of times everything is done without any problems.

Note that to see .asp pages you cannot see them just be opening them in browser without the 'http' protocol. You have to appendhttp://127.0.0.1/ before the page name and address to see it running on your own local computer. More on that later. For now you have successfully installed PWS and now we are ready to create some simple Active Server Pages.

Your first ASP page
Open you favorite text editor ( notepad ). ASP pages may be developed using expensive editors like Microsoft Visual Interdev but that is out of scope as far as this tutorial is concerned. So notepad is all we need.

Here we will be using VBScript for writing .asp pages. Note that you can also use JScript or PerlScript to write Active Server Pages. Write down the following in your notepad :
<html>

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