How to customize classes and how to use custom classes

Source: Internet
Author: User
1. First write a class file, such as Hello. cs.
Using System;

Namespace myclass. SayHello
{
Public class TSayHello
{
String name;
Public TSayHello ()
{
This. name = "World ";
}

Public String Say ()
{
Return ("Hello," + this. name + "! ");
}
}
}

2. Compile the custom class as a dll file
Csc.exe/target: library/r: System. dll Hello. cs

3. copy the generated Hello. dll to the Bin directory of the root directory of the website. If it is a virtual directory, copy it to the Bin directory of the changed virtual directory.

4. Reference a custom class in a program
Using System;
Using System. Web. UI. WebControls;

Using myclass. SayHello;

// Reference the namespace of the custom class

Namespace myClasses
{
Public class ourgame: System. Web. UI. Page
{
// Declare the controls that will appear in the Web Form
Public Label LblSayHello;

Private void Page_Load (object sender, System. EventArgs e)
{
TSayHello myhello = new TSayHello ();
// Create a custom class object
LblSayHello. Text = myhello. Say ();
}
}
}

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