ASP.net C# Example, What is ASP.net C# Technology?

ASP.net Technology

Class Library

ASP.NET includes an enormous class library which was built by Microsoft. Because this class library is so large, it encapsulates a a huge number of common functions. For example, if you wanted to retrieve data from a database and display that data in a simple grid control through classic ASP, then you'd have to write quite a lot of code.

In ASP.NET, you don't write any code to display the data: you just write the code to bind the data to an object called a DataGrid (which can be done in just a couple of lines). Then, you just have to create a reference on your page to where that DataGrid should go. The DataGrid will be rendered as a table, and will contain all of the data extracted from the database.

Microsoft has created an amazingly well designed MSDN library for ASP.NET and all of the other .NET languages. It includes a full class library containing information and examples on every class, function, method, and property accessible through ASP.NET.

Web Services

Great feature of ASP.NET is Web Services. Web services mean that you can literally have several pieces of your application on different servers all around the world, and the entire application will work perfectly and seamlessly. Web services can even work with normal .NET Windows applications. For example: A lot of people would like to have a stock ticker on their web site, but not many people want to manually type in all changes to the prices. If one company (a stock broker) creates a web service and updates the stock prices periodically, then all of those people wanting the prices can use this web service to log in, run a function which grabs the current price for a chosen company, and return it.

Complete Compatibility

Important goals of .NET was to allow developers to write an ASP.NET application using multiple programming languages. As long as each ASP.NET page contains only one programming language, you can mix and match different pages using different languages and they will work together seamlessly. This means you can now have a team of developers with half programming in C#, and the other half in VB.NET, with no need to worry about language incompatibilities, etc.

A cool little side-affect of all this is that all the programming languages look very similar, and differ only by their language syntax.

First is written in C#, and the second in VB.NET.

The C# version:
void Page_Load(Object S, EventArgs E) { myLabel.Text = "ASP.NET Tutorial!";


The VB.NET version:
Sub Page_Load(S As Object, E As EventArgs) myLabel.Text = "ASP.NET Tutorial!"
End Sub

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