我有如下Manufacturer实体： class Manufacturer
{
[Key]
public int Id { get; set; }
[DisplayName("Manufacturer Code")]
public int Code { get; set; }
[DisplayName("Manufacturer Name"
是否可以使用来自WHERE子句的别名from avg(n.nota) as media？ SELECT a.nome AS nome, c.nome AS curso, avg(n.nota) AS media from Aluno a
JOIN Matricula m ON m.aluno_id = a.id
JOIN Curso c ON m.curso_id = c.id
JOIN S
在个人项目中，我有这样的事情： template <typename T>
class Base {
//This class is abstract.
} ;
template <typename T>
class DerivedA : public Base<T> {
//...
} ;
template <typename T>
class Derive
如何将通过using定义的别名类型传递给泛型类？ 我尝试以下的代码： using ID = Int32; // it might be replaced with `String`.
using CC = C<ID>;
public class C<T> {
T id;
}
而且会有一个错误： Error CS0246 The type or namespace name '