Hi,
You have to supply a <T> argument with the interface:
using System;
using System.Collections.Generic;
using System.Text;
public interface IDataManager<T>
{
List<T> SelectData();
int UpdateData(T objectToBeUpdated);
bool InsertData(T objectToBeInserted);
bool DeleteData(T objectToBeDeleted);
}
Regards,
Bruno
-----Ursprüngliche Nachricht-----
Von: Discussion of advanced .NET topics.
[mailto:[EMAIL PROTECTED] Im Auftrag von Alvarado, Yago
Gesendet: Montag, 27. März 2006 13:39
An: [email protected]
Betreff: [ADVANCED-DOTNET] Generics. How can I do a generic declaration?
Hi all,
I'm having a problem that I'm quite sure is quite simple to solve but
for some reason I just can get it to work.
All I want to do is to create an interface such as the following:
------------------------------------------------------------------------
-----------------------------
using System;
using System.Collections.Generic;
using System.Text;
public interface IDataManager
{
List<T> SelectData();
int UpdateData(<T> objectToBeUpdated);
bool InsertData(<T> objectToBeInserted);
bool DeleteData(<T> objectToBeDeleted);
}
------------------------------------------------------------------------
-----------------------------
According to all the documentation I've read, this shouldn't be a problem,
but every time I try to compile, the following compile error is thrown:
Error 1 The type or namespace name 'T' could not be found (are
you missing a using directive or an assembly reference?)
This is probably blatantly obvious for most of you but I just haven't find
a way to solve the problem.
I am assuming I have to tell the compiler that T will be a generic type
but I haven't found a way of doing it and as all the documentation and
examples I've seen don't mentione it, it makes me think it's something
very obvious...(not for me though).
What is it that I am missing?
Is there a secret reference I should be adding?
Maybe a secret using statement that I am missing?
Any ideas?
Thanks in advance,
Yago Alvarado
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