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First we need a Web server. Apache is the most popular, practical and easily configurable Web server available on the Internet. It can be downloaded from www.apache.org. Apache runs on most operating systems. This will also work on IIS.
After installation on the network drive or local drive, we see a number of subdirectories among which we see cgi-bin and htdocs. The cgi-bin subdirectory is used to contain executable files, while htdocs is used to contain HTML files.
When your installation and setup configuration is successful (for help see the Web site), type the address as http:/127.0.0.1 and press enter. We see a default page placed in the htdocs directory and see the apache server running.
Change the htdocs subdirectory and create an HTML file new.html to display a form page as follows:
Now save this file! Open up your favourite browser and type http://127.0.0.1/new.html, then press enter. We see results! A button with a text (caption) search, is on the page.
Now we get down to business. Let us try out a C# code snippet that, when a user c
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licks on the search button, a C# program loads and executes.
Make a file new.cs and write the following lines into it:
Save this file. Using csc.exe compile it, turn it into an .exe, and put it in proper Apache's cgi-bin subdirectory, or allow execute permissions if using IIS.
Now, for this, we need to modify a few things to our new.html, as follows:
We open up the browser type in the URL http://127.0.0.1/new.html. We see what? Not "hi it's me," but an "Internal Server Error"! Do not panic. Our new.cs code just needs slight modification too! See the new code below:
Now if we execute it the same way into the browser, we see no errors. Yes! You have just successfully, without spending even a quarter of an hour, made a Web-enabled program in C#.
Last but not the least, here is something for better understanding. Note the code below:
In the content-type, instead of HTML, I changed it to plain. So what does that output to the monitor? Don't be surprised. It won't flash an error. Rather, forthcoming lines containing HTML tags won't take effect and will behave as simple text.
Hope you didn't find the reading time hard on you! Happy coding.
Source: DotNetExtreme.com
