Abstract class

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I have declared public Abstract class in Class library project.

Secondly i added new website to the visual studio solution, added reference of Abstract class project to implement the abstract methods & properties.

But its giving me following error :

'_Default' does not implement inherited abstract member 'RnDCSharpPrj_AbstractClass.AbstractClass.Add()'

here :
1) "_Default" is my partial class in Website
2) "RnDCSharpPrj_AbstractClass.AbstractClass.Add()" is the class library project having abstract method Add()

So i tried to implement Add() method in web site...then its giving me new error -

'ASP.default_aspx.GetTypeHashCode()': no suitable method found to override

Posted 28-Jul-10 2:35am

HardikSitapara

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4 solutions

Solution 1

I guess you simply removed your base Page class from the code behind and inherited abstract class.

Posted 28-Jul-10 2:44am

Arun Jacob

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raju melveetilpurayil 28-Jul-10 9:12am

yes me to think so. hardy1988 delete base Page Class.

Solution 3

:-D :) ;P :( :doh: :sigh: :( :suss::~ :omg: :mad::confused: X| :cool::thumbsup:

Posted 5-Sep-10 22:46pm

nvbao0603

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raju melveetilpurayil 6-Sep-10 5:00am

Reason for my vote of 1
this is not a place to fun.

Solution 4

:thumbsup::cool: X| :confused: :omg: :-O :(( :sigh: ;P :laugh: :) :-D ;) :( :doh: :-\ :rolleyes: :mad::~:suss::rose::thumbsdown:

Posted 5-Sep-10 22:48pm

nvbao0603

Comments

raju melveetilpurayil 6-Sep-10 5:00am

Reason for my vote of 1
this is not a place to fun

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raju melveetilpurayil · Accepted Answer · 2010-07-28T03:14:00

This is an example

C#

public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        //calling your derived class
        MyClass objMyClass = new MyClass();
        objMyClass.DoSomthing();
    }
}
//Abstract Class
public abstract class MyAbstractClass
{
    public abstract void DoSomthing();
}
//derived class
public class MyClass:MyAbstractClass
{
    public MyClass()
    { }
    public override void DoSomthing()
    {
        //add your implimentation here
    }
}

[edit] added a small comment[/edit]

Abstract class

4 solutions

Solution 2

Solution 1

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