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Index2.cshtml.cs
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Index2.cshtml.cs
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//#define X
#if X
#region snippet_all
using ContosoUniversity.Models;
using ContosoUniversity.Models.SchoolViewModels; // Add VM
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.EntityFrameworkCore;
using System.Linq;
using System.Threading.Tasks;
namespace ContosoUniversity.Pages.Instructors
{
#region snippet_1
public class IndexModel : PageModel
{
private readonly ContosoUniversity.Data.SchoolContext _context;
public IndexModel(ContosoUniversity.Data.SchoolContext context)
{
_context = context;
}
public InstructorIndexData Instructor { get; set; }
public int InstructorID { get; set; }
public int CourseID { get; set; }
#region snippet_OnGetAsync
public async Task OnGetAsync(int? id, int? courseID)
{
Instructor = new InstructorIndexData();
#region snippet_ThenInclude
Instructor.Instructors = await _context.Instructors
.Include(i => i.OfficeAssignment)
.Include(i => i.CourseAssignments)
.ThenInclude(i => i.Course)
.ThenInclude(i => i.Department)
.AsNoTracking()
.OrderBy(i => i.LastName)
.ToListAsync();
#endregion
#region snippet_ID
if (id != null)
{
InstructorID = id.Value;
Instructor instructor = Instructor.Instructors.Where(
i => i.ID == id.Value).Single();
Instructor.Courses = instructor.CourseAssignments.Select(s => s.Course);
}
#endregion
#region snippet_courseID
if (courseID != null)
{
CourseID = courseID.Value;
Instructor.Enrollments = Instructor.Courses.Where(
x => x.CourseID == courseID).Single().Enrollments;
}
#endregion
}
#endregion
#endregion
}
}
#endregion
#endif