How to Create a Class, a Tutorial on Creating a C# Class using Visual Studio.Net

Part of the You Can Learn C# series.
By Ken Brown
August 31, 2004

This is a two part article on creating a class in Visual Studio.
Create a Class
Using a Class

One of the basics to good object oriented programming is the use of classes to control access to objects and provide reusable code, which is easy to maintain. This tutorial covers the basic task of creating a class using Visual Studio. After following the simple steps presented, you will easily create your own class and be able to instantiate the class on a WebForm.

Let's get started creating our C# class...

1. Open Visual Studio
2. Choose New Project
3. Choose Visual Studio Solutions / Blank Solution
4. Type in the name "CreateClass" / Click on the Okay button.

The New Project Dialog Box for creating a class in Visual Studio

5. Right Click on the new solution you just created, found in the Solution Explorer tab.
6. Choose menu item Add / New Project
7. Choose Project type of Visual C# Projects
8. Choose Template type of Asp.Net Web Application
9. Type in a location of "http://localhost/CreateClass/YCLSProj1"

Creating a new project in Visual Studio

10. Choose OKAY, This will create a new Web Project on your local harddrive in "C:\inetpub\wwwroot\createclass\YCLSproj1"

Now you are ready to add a new class.

1. In Solution Explorer, right click on your Project. (YCLSProj1)
2. Choose menu item "ADD" / "Add Class"
3. The dialog box that opens will already have "Web Project Items" chosen with the "Class" template highlighted.
4. You need to change the class name to "Friends.cs", then choose the "Open" button.

Creating a class using the Add New Item dialog box.

5. That will create a new class ...
      public class Friends
6. You also see the constructor for the class
      public Friends()
7. Create a couple of variables.
Above the constructor for the class add two public variables.
      public string id;
      public string name;
8. Now create a new public constructor using the variables you just created.
      public Friends(string id, string name)
      { = name; = id;

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You Can Learn C# and ASP.Net SeriesC# and ASP.Net
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