User Controls Inherited from a Custom Control share variables?

[Yuri Vanzine]

I have a Custom Control that I inherit from a User Control like this:

public class SecureUserControl : UserControl, INamingContainer

it maintains a few control states like visible, readonly relying on security settings.

I override CreateChildControls() similar to how you woud handle a custom web control.

Every User Control I design inherits from SecureUserControl and not from System.Web.UI.UserControl.

The problem is that every time a private member is changed in one secureusercontrol-derived control, ie I change _readonly boolean member thru a button, the value in all the other secureusercontrol-derived controls changes also (I have 3 secureusercontrol-derived controls on the page and they end up sharing(???) the readonly property).

In classic OOP, whatever happens to the object does not affect other objects, unless you are using a singleton class.

My question to you, is UserControl class special or am I 'special' and do not understand how to apply oop to asp.net?

Please help!

P.S. I need to inherit from a UserControl and not from a WebControl or Control. The idea is to make your UserControls security-aware in one class and inherit from it.

 

[John Saunders]

I have a Custom Control that I inherit from a User Control like this:

public class SecureUserControl : UserControl, INamingContainer

it maintains a few control states like visible, readonly relying on security settings.

I override CreateChildControls() similar to how you woud handle a custom web control.

Every User Control I design inherits from SecureUserControl and not from System.Web.UI.UserControl.

The problem is that every time a private member is changed in one

secureusercontrol-derived control, ie I change _readonly boolean member thru
a button, the value in all the other secureusercontrol-derived controls
changes also (I have 3 secureusercontrol-derived controls on the page and
they end up sharing(???) the readonly property).

In classic OOP, whatever happens to the object does not affect other

objects, unless you are using a singleton class.

My question to you, is UserControl class special or am I 'special' and do

not understand how to apply oop to asp.net?

Please help!

P.S. I need to inherit from a UserControl and not from a WebControl or

Control. The idea is to make your UserControls security-aware in one class
and inherit from it.

Do you get the same effect when you inherit from WebControl?

 

[Yuri Vanzine]

I cannot test a webcontrol because the controls that inherit from secureusercontrol HAVE to be a usercontrol to be inherited by a ascx file.

 

[Yuri Vanzine]

Thank you for your help. I found out that my woes had been caused by improper use of postback rather than variables being shared between several instances of a class. No further help needed.