using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.ComponentModel.DataAnnotations.Schema; namespace Entities.Contracts { [Table("grades")] public class Grade { [Key] [Column("grade_id")] public int GradeId { get; set; } [Column("school_id")] public int SchoolId { get; set; } public School School { get; set; } [Column("grade_name")] [MaxLength(20)] public string GradeName { get; set; } [Column("grade_level")] public int GradeLevel { get; set; } // Navigation Properties public ICollection Classes { get; set; } public Grade() { Classes = new HashSet(); } } }