NullReference Exception - Why?

[wallaceoc]

I keep getting the following error with the code below:


Exception Details: System.NullRefe renceException: Object reference not set
to an instance of an object.


Caused by this line:

this.basicSearc h.OnSomethingHa ppened += new
System.EventHan dler(this.ShowR esult);


Here is some of my code:

CODE
private void ShowResult(obje ct sender, System.EventArg s e)
{
this.results.se archData = ((BasicSearch)s ender).searchDa ta;
PlaceHolder1.Co ntrols.Clear();
resultsCtrl = LoadControl("re sults.asxc");
PlaceHolder1.Co ntrols.Add(resu ltsCtrl);
Response.Write( "NOT HAPPENING");
}


private void InitializeCompo nent()
{
this.Load += new System.EventHan dler(this.Page_ Load);
this.basicSearc h.OnSomethingHa ppened += new
System.EventHan dler(this.ShowR esult);

}


OnSomethingHapp enened is an event declared in my BasicSearch usercontrol page.

Any ideas whats wrong?


Regards,

Wallace

[Cor Ligthert]

Re: NullReference Exception - Why?

Wallaceoc,

Although in this newsgroup are persons active who know a lot of C# is the
better place for C# related questions

microsoft.publi c.dotnet.langua ges.csharp

Cor

[Jon Skeet [C# MVP]]

Re: NullReference Exception - Why?

wallaceoc <wallaceoc@disc ussions.microso ft.com> wrote:[color=blue]
> I keep getting the following error with the code below:[/color]
[color=blue]
> Exception Details: System.NullRefe renceException: Object reference not set
> to an instance of an object.
>
> Caused by this line:
>
> this.basicSearc h.OnSomethingHa ppened += new
> System.EventHan dler(this.ShowR esult);[/color]

That suggests that basicSearch is null. What have you done to make sure
it's not null?

--
Jon Skeet - <skeet@pobox.co m>

http://www.pobox.com/~skeet

If replying to the group, please do not mail me too