实施通用接口

Question

I have a generic interface, looking like this

public interface IDataReader<T> where T:class
{
    IQueryable<T> ReadFile(DataTable table);
}

and I want to create a class that implement this interface. Is it possible that we actually create a class that using real class instead of generic like the interface ?

public class CustomnReader<Person> : IDataReader<T>

Thank you

Answer 1

You must do like this

public class CustomnReader<Person> : IDataReader<T> // <- Here you must give an exact class

public class CustomnReader<Person> : IDataReader<Person> // Like this

or you can do

 public class CustomnReader<T> : IDataReader<T> where T : class // <- Here create and give a type when creating an object

CustomerReader<Person> cr = new CustomerReader<Person>;

Answer 2

Thanks Yuval and Suren,

I end up using

public class CustomnReader : IDataReader<Person>

it looks like it can work as for now.

Thank you