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MVC-Pattern in my C# GUI !?!

Hi NG !
For learning work with patterns I would like to add the MVC-Pattern in my
little application.
On my form (View) I have a TabController with 2 tabs. In each tab I would
like to have a datagrid, which should be updated after some changes. So this
two datagrids must implement my observer-interface. My class supportControl
would be the Model, which extends from my observable class.
Thats my theoretical understanding.. .now my questions to the implementation
in C#:

1.) The 2 Datagrids are the objects, which must be updated. Do I have to
create two classes (for each datagris one), which extends from
System.Windows. Forms.DataGrid and implements my observer interface ?
2.) My DataGrid on the main form would initialized by the classes i created
under point 1.) ???

Sorry this questions, but I'm not sure, if thats the right way of
implementation MVC !

Thanks and regards

Marcel Hug
Jan 2 '06
10 5987

Finally a useful reply.

Thank you Jeorg

On Mon, 02 Jan 2006 11:18:55 -0800, Joerg Jooss
<ne********@joe rgjooss.de> wrote:
Hello Marcel,
Hi NG !
For learning work with patterns I would like to add the MVC-Pattern in
my
little application.
On my form (View) I have a TabController with 2 tabs. In each tab I
would
like to have a datagrid, which should be updated after some changes.
So this
two datagrids must implement my observer-interface. My class
supportControl
would be the Model, which extends from my observable class.


Actually, you need neither an observer interface (C# is not Java -- use events),
nor should your model need to extend from any particular class. Your controller
should update the model, the model should expose events to signal state changes,
and your views should subscribe to those model events they care about. See
http://www.codeproject.com/csharp/mo...controller.asp for an introduction.

Cheers,


Jan 5 '06 #11

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