4
的DTO如果我有許多一對多在EF定義的關係:與許多一對多使用Automapper
public class StudentImage
{
public int StudentId { get; set; }
public int ImageId { get; set; }
public int Order { get; set; }
public virtual Student Student { get; set; }
public virtual Image Image { get; set; }
}
public class Student
{
public int Id { get; set; }
public string Name { get; set; }
public virtual ICollection<StudentImage> Images { get; set; }
}
public class Image
{
public int Id { get; set; }
public string Filename { get; set; }
public virtual ICollection<StudentImage> Students { get; set; }
}
的DTO的:
public class ImageDTO
{
public int Id { get; set; }
public string Filename { get; set; }
public int Order { get; set; }
}
public class StudentIDO
{
public int Id { get; set; }
public string Name { get; set; }
public ICollection<ImageDTO> Images { get; set; }
}
我怎麼會從學生地圖到StudentDTO和使用Automapper從圖像到ImageDTO?
我將鍵類型從int更改爲Guid,現在我得到一個Automapper異常:缺少類型映射配置或不支持的映射Guid - > Int32,System.Guid - > System.Int32。目標路徑: StudentIDO.Id.Id。唯一的int字段是Order。 –
@EduardoBrites這是因爲Guid無法映射到int。對於'458D34DC-5524-47F8-8507-F5AB9234063B',您期望什麼樣的整數值?改變你的DTOs ID類型爲Guid –
但是當然,我愚蠢的...... –