目录

1、 AdminController

1.1、 Students

1.2、 StudentDetail

1.3、 EnrolledStudent

1. AdminController 

using ITM_College.Data;

using ITM_College.Models;

using Microsoft.AspNetCore.Mvc;

using Microsoft.EntityFrameworkCore;

namespace ITM_College.Controllers

{

public class AdminController : Controller

{

private readonly ITM_CollegeContext db;

public AdminController(ITM_CollegeContext db)

{

this.db = db;

}

1. 1. Students

// ------ Controller 2 Student Controller ------

// i- All Students

// ii- Add Students

// iii- Update Student

// iv- Delete Student

public IActionResult Students(string message, string error)

{

ViewBag.message = message;

ViewBag.error = error;

var students = db.Students

.Include(s => s.StudentCourseRegistrations.Where(sr => sr.Status == 2)) // Filter registrations with status 2

.ThenInclude(sr => sr.AddmissionForNavigation)

.ToList();

return View(students);

}

1. 1. StudentDetail

public IActionResult StudentDetail(int id)

{

// Check if the student ID exists in the StudentCourseRegistration table

bool isStudentRegistered = db.StudentCourseRegistrations.Any(s => s.StudentId == id);

if (isStudentRegistered)

{

return RedirectToAction("EnrolledStudent", new { id = id });

}

else

{

return RedirectToAction("NotEnrolledStudent", new { id = id });

}

}

1. 1. EnrolledStudent

public IActionResult EnrolledStudent(int id)

{

var student = db.Students.Include(s => s.StudentCourseRegistrations)

.ThenInclude(scr => scr.AddmissionForNavigation)

.ThenInclude(c => c.Faculty)

.ThenInclude(f => f.FacultyDepartmentNavigation)

.FirstOrDefault(col=>col.StudentId == id);

return View(student);

}