ASP.Net/Language Basics/Class Inheritance
Inherit a Class (C#)
<source lang="csharp">
<%@ Page Language="C#" %> <script runat="server">
public class Animal { private int legs; private string bodyHair; public int Legs { get { return legs; } set { legs = value; } } public string BodyHair { get { return bodyHair; } set { bodyHair = value; } } public string Walk() { return "I"m walking on " + legs + " legs"; } } public class Dog : Animal { public Dog() { Legs = 4; } public string Bark() { return "Woof"; } public string Bite() { return "Chomp Chomp"; } public string Wag() { return "Wag Wag"; } } public class Person : Animal { public Person() { Legs = 2; } public string Talk() { return "yadda yadda yadda"; } } void Page_Load(object Sender, EventArgs E) { Dog d = new Dog(); Response.Write(d.Walk()); Response.Write("
"); Response.Write(d.Bark()); Response.Write("
"); Person p = new Person(); Response.Write(p.Walk()); }
</script> <html> <head> </head> <body> </body> </html>
</source>
Inherits class (C#)
<source lang="csharp">
<%@ page Language="c#" runat="server" %> <script runat="server">
public class ScientificCalculator : Calculator { public void SquareRoot() { double root = Math.Sqrt(CurrentValue); Clear(); Add(root); } } public class Calculator { private double currentValue; public double CurrentValue { get { return currentValue; } } public void Add(double addValue) { currentValue += addValue; } public void Subtract(double subValue) { currentValue -= subValue; } public void Multiply(double multValue) { currentValue *= multValue; } public void Divide(double divValue) { currentValue /= divValue; } public void Clear() { currentValue = 0; } } void Page_Load() { ScientificCalculator MyCalc = new ScientificCalculator(); Response.Write("Created a new ScientificCalculator object.
"); Response.Write("Current Value = " + MyCalc.CurrentValue); MyCalc.Add(23); Response.Write("
Added 23 - MyCalc.Add(23)
"); Response.Write("Current Value = " + MyCalc.CurrentValue); MyCalc.Subtract(7); Response.Write("
Subtracted 7 - MyCalc.Subtract(7)
"); Response.Write("Current Value = " + MyCalc.CurrentValue); MyCalc.Multiply(3); Response.Write("
Multiplied by 3 - MyCalc.Multiply(3)
"); Response.Write("Current Value = " + MyCalc.CurrentValue); MyCalc.Divide(4); Response.Write("
Divided by 4 - MyCalc.Divide(4)
"); Response.Write("Current Value = " + MyCalc.CurrentValue); MyCalc.SquareRoot(); Response.Write("
Square root - MyCalc.SquareRoot()
"); Response.Write("Current Value = " + MyCalc.CurrentValue); MyCalc.Clear(); Response.Write("
Cleared - MyCalc.Clear()
"); Response.Write("Current Value = " + MyCalc.CurrentValue); }
</script>
</source>
Inherits class (VB.net)
<source lang="csharp">
<%@ page language="vb" runat="server" %> <script runat="server">
Public Class ScientificCalculator : Inherits Calculator Public Sub SquareRoot() Dim root As Double Dim current As Double = MyBase.CurrentValue root = Math.Sqrt(current) MyBase.Clear() MyBase.Add(root) End Sub End Class Public Class Calculator Private _current As Double Public ReadOnly Property CurrentValue As Double Get Return _current End Get End Property Public Sub Add(addValue As Double) _current += addValue End Sub Public Sub Subtract(addValue As Double) _current -= addValue End Sub Public Sub Multiply(addValue As Double) _current *= addValue End Sub Public Sub Divide(addValue As Double) _current /= addValue End Sub Public Sub Clear() _current = 0 End Sub End Class Sub Page_Load() Dim MyCalc As New ScientificCalculator() Response.Write("Created a new ScientificCalculator object.
") Response.Write("Current Value = " & MyCalc.CurrentValue) MyCalc.Add(23) Response.Write("
Added 23 - MyCalc.Add(23)
") Response.Write("Current Value = " & MyCalc.CurrentValue) MyCalc.Subtract(7) Response.Write("
Subtracted 7 - MyCalc.Subtract(7)
") Response.Write("Current Value = " & MyCalc.CurrentValue) MyCalc.Multiply(3) Response.Write("
Multiplied by 3 - MyCalc.Multiply(3)
") Response.Write("Current Value = " & MyCalc.CurrentValue) MyCalc.Divide(4) Response.Write("
Divided by 4 - MyCalc.Divide(4)
") Response.Write("Current Value = " & MyCalc.CurrentValue) MyCalc.SquareRoot() Response.Write("
Square root - MyCalc.SquareRoot()
") Response.Write("Current Value = " & MyCalc.CurrentValue) MyCalc.Clear() Response.Write("
Cleared - MyCalc.Clear()
") Response.Write("Current Value = " & MyCalc.CurrentValue) End Sub
</script>
</source>