 |
 | Home | Contact Us | FAQ | Search & Site Map | Link to Us |
 | Sign In | Join | Other 45 Sites in Network |
.NET Forum / Languages / C# / February 2008When inheriting from System.Web.UI.Page or UserControl, do I have to call their contructors?
Hi, When inheriting from System.Web.UI.Page (or any other class for that matter), do I have to call the inherited classes constructors? I've seen allot of code where people do: protected override void OnInit(EventArgs e) { base.OnInit(e); } Is this necessary if we don't override any methods/events of the inherited class also? > When inheriting from System.Web.UI.Page (or any other class for that > matter), do I have to call the inherited classes constructors? [quoted text clipped - 5 lines] > base.OnInit(e); > } That's probably just created by the designer. It's not doing anything useful. Note that that *isn't* calling the constructor - it's calling the OnInit method.  SignatureJon Skeet - <skeet@pobox.com> http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet World class .NET training in the UK: http://iterativetraining.co.uk The OnInit is useful. If it isn't called, then themes and stylesheets generated in code or through ASP.NET control markup will not be applied. Signature- Nicholas Paldino [.NET/C# MVP] - mvp@spam.guard.caspershouse.com >> When inheriting from System.Web.UI.Page (or any other class for that >> matter), do I have to call the inherited classes constructors? [quoted text clipped - 11 lines] > Note that that *isn't* calling the constructor - it's calling the > OnInit method. > The OnInit is useful. If it isn't called, then themes and stylesheets > generated in code or through ASP.NET control markup will not be applied. But surely overriding OnInit to just call base.OnInit isn't useful is it? How can that change anything? SignatureJon Skeet - <skeet@pobox.com> http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet World class .NET training in the UK: http://iterativetraining.co.uk I thought you were referring to just the call to OnInit in the override. The assumption was that there was some other code after the call to OnInit. If that's all there is in the method definition, then yes, it's pretty pointless. Signature- Nicholas Paldino [.NET/C# MVP] - mvp@spam.guard.caspershouse.com >> The OnInit is useful. If it isn't called, then themes and >> stylesheets >> generated in code or through ASP.NET control markup will not be applied. > > But surely overriding OnInit to just call base.OnInit isn't useful is > it? How can that change anything?
Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
|
Reply to this Message
|
 Sign In
 Join
 My Latest Posts My Monitored Threads My Blog My Photo Gallery My Profile My Homepage Start New Thread Enable EMail Alerts Rate this Thread
|
©2008 Advenet LLC Privacy Policy - Terms of Use
This website includes both content owned or controlled by Advenet as well as content owned or controlled by third parties.