Inherits class (C#) : Class Inheritance « Language Basics « ASP.Net

1. ASP.Net
2. Language Basics
3. Class Inheritance

Inherits class (C#)

<%@ 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("<b>Created a new ScientificCalculator object.</b><br/>");

    Response.Write("Current Value = " + MyCalc.CurrentValue);

    MyCalc.Add(23);
    Response.Write("<br/><b>Added 23 - MyCalc.Add(23)</b><br/>");
    Response.Write("Current Value = " + MyCalc.CurrentValue);

    MyCalc.Subtract(7);
    Response.Write("<br/><b>Subtracted 7 - MyCalc.Subtract(7)</b><br/>");
    Response.Write("Current Value = " + MyCalc.CurrentValue);

    MyCalc.Multiply(3);
    Response.Write("<br/><b>Multiplied by 3 - MyCalc.Multiply(3)</b><br/>");
    Response.Write("Current Value = " + MyCalc.CurrentValue);

    MyCalc.Divide(4);
    Response.Write("<br/><b>Divided by 4 - MyCalc.Divide(4)</b><br/>");
    Response.Write("Current Value = " + MyCalc.CurrentValue);

    MyCalc.SquareRoot();
    Response.Write("<br/><b>Square root - MyCalc.SquareRoot()</b><br/>");
    Response.Write("Current Value = " + MyCalc.CurrentValue);

    MyCalc.Clear();
    Response.Write("<br/><b>Cleared - MyCalc.Clear()</b><br/>");
    Response.Write("Current Value = " + MyCalc.CurrentValue);
  }
</script>

           
       

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