我使用NetBeans和我的代码如下 public class GradeBook
{
private String courseName; // course name for this GradeBook
private String courseInstructor; // instructor name for this GradeBook
// construc
我有以下的类访问对象的父： public class Parent
{
public virtual int ParentId { get; set; }
public virtual string Name { get; set; }
public virtual ICollection<Child> Children { get; set; }
}
pub
如何将此sql查询转换为linq查询？在asp.net SELECT distinct P.Pid,P.Name,PC.categoryName,
(select count(id) from POrderdetails where id=p.Pid)as detailsCount
FROM PTable P INNER JOIN PCATEGORY PC ON PC.pcategoryId=