Related Article : How to Use Entity Framework Fluent API ?
Project Tree
![Project Tree]( "Project Tree")
Course.cs
Department.cs
Details.cs
OnsiteCourse.cs
Related Article : How to Use Entity Framework Fluent API ?
Project Tree
SchoolEntities.cs
using System.ComponentModel.DataAnnotations;
using System.Data.Entity;
using System.Data.Entity.ModelConfiguration.Conventions;
namespace EFFluventAPI.Models
{
publicclassSchoolEntities: DbContext
{
publicDbSet<Course> Courses { get; set; }
publicDbSet<Department> Departments { get; set; }
publicDbSet<Instructor> Instructors { get; set; }
publicDbSet<OfficeAssignment> OfficeAssignments { get; set; }
protectedoverridevoidOnModelCreating(DbModelBuilder modelBuilder)
{
//Configure Code First to ignore PluralizingTableName convention
//If you keep this convention then the generated tables
//will have pluralized names
modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
modelBuilder.Entity<OfficeAssignment>().HasKey(t => t.InstructorId);
modelBuilder.Entity<Department>()
.HasKey(t => new { t.DepartmentId, t.Name });
modelBuilder.Entity<Department>()
.Property(t => t.DepartmentId)
.HasDatabaseGeneratedOption(DatabaseGeneratedOption.None);
modelBuilder.Entity<Department>().Property(t => t.Name).HasMaxLength(50);
modelBuilder.Entity<Department>().Property(t => t.Name).IsRequired();
modelBuilder.Entity<Department>().Ignore(t => t.Budget);
modelBuilder.Entity<Department>()
.Property(t => t.Name).HasColumnName("DepartmentName");
modelBuilder.Entity<Course>()
.HasRequired(c => c.Department)
.WithMany(t => t.Courses).Map(m => m.MapKey("ChangedDepartmentId"));
modelBuilder.Entity<Department>().Property(t => t.Name).IsUnicode(false);
modelBuilder.Entity<Department>()
.Property(p => p.Name).HasColumnType("varchar");
modelBuilder.ComplexType<Details>()
.Property(t => t.Location).HasMaxLength(20);
modelBuilder.Entity<OnsiteCourse>()
.Property(t => t.Details.Location).HasMaxLength(20);
modelBuilder.Entity<OfficeAssignment>()
.Property(t => t.Timestamp).IsConcurrencyToken();
modelBuilder.Entity<OfficeAssignment>()
.Property(t => t.Timestamp).IsRowVersion();
}
}
}
Course.cs
using System.Collections.Generic;
namespace EFFluventAPI.Models
{
publicclassCourse
{
publicCourse()
{
this.Instructors = newHashSet<Instructor>();
}
// Primary key
publicint CourseId { get; set; }
publicstring Title { get; set; }
publicint Credits { get; set; }
// Foreign key
publicint DepartmentId { get; set; }
// Navigation properties
publicvirtualDepartmentDepartment { get; set; }
publicvirtualICollection<Instructor> Instructors { get; privateset; }
}
}
using System.Collections.Generic;
namespace EFFluventAPI.Models
{
publicclassDepartment
{
publicDepartment()
{
this.Courses = newHashSet<Course>();
}
// Primary key
publicint DepartmentId { get; set; }
publicstring Name { get; set; }
publicdecimal Budget { get; set; }
publicSystem.DateTime StartDate { get; set; }
publicint? Administrator { get; set; }
// Navigation property
publicvirtualICollection<Course> Courses { get; privateset; }
}
}
Instructor.cs
using System;
using System.Collections.Generic;
namespace EFFluventAPI.Models
{
publicclassInstructor
{
publicInstructor()
{
this.Courses = newList<Course>();
}
// Primary key
publicint InstructorId { get; set; }
publicstring LastName { get; set; }
publicstring FirstName { get; set; }
publicDateTime HireDate { get; set; }
// Navigation properties
publicvirtualICollection<Course> Courses { get; privateset; }
}
}
OfficeAssignment.cs
using System;
using System.ComponentModel.DataAnnotations;
namespace EFFluventAPI.Models
{
publicclassOfficeAssignment
{
publicInt32 InstructorId { get; set; }
publicstring Location { get; set; }
publicByte[] Timestamp { get; set; }
// Navigation property
publicvirtualInstructorInstructor { get; set; }
}
}
Details.cs
using System;
namespace EFFluventAPI.Models
{
publicclassDetails
{
publicDateTime Time { get; set; }
publicstring Location { get; set; }
publicstring Days { get; set; }
}
}
namespace EFFluventAPI.Models
{
publicclassOnsiteCourse: Course
{
publicOnsiteCourse()
{
Details = newDetails();
}
publicDetails Details { get; set; }
}
}
Related Article : How to Use Entity Framework Fluent API ?