public static void Main()
{
var data = new StudentsSystemData();
var students = data.Students.All().ToList();
foreach (var student in students)
{
Console.WriteLine(student.FirstName);
}
}
public static void Main()
{
var data = new StudentsSystemData();
var courses = data.Courses.All();
foreach (var course in courses)
{
Console.WriteLine(course.Name);
}
data.Courses.Add(new Course
{
Name = "Repo Pattern",
Description = "Cool"
});
data.SaveChanges();
var students = data.Students.All();
Console.WriteLine(students.Count());
var masters = data.Students
.SearchFor(st => st.Level > 1);
PrintStudents(masters);
var ivaylos = data.Students.SearchFor(st => st.FirstName == "Ivaylo");
PrintStudents(ivaylos);
var firstMaster = data.Students.SearchFor(st => st.Level == -5);
if (firstMaster == null)
{
Console.WriteLine("NULL");
}
var levels = data.Students.All().Select(st => new
{
Level = st.Level,
LastName = st.LastName
});
foreach (var level in levels)
{
Console.WriteLine(level.LastName);
}
var orderedStudents = data.Students
.All()
.OrderBy(st => st.LastName)
.ThenBy(st => st.Level);
PrintStudents(orderedStudents);
var someQuery = data.Students
.All()
.Where(st => st.Level > 0)
.OrderBy(st => st.LastName)
.Select(st => new
{
FirstName = st.FirstName
});
var maxLevel = data.Students.All().Max(st => st.Level);
Console.WriteLine(maxLevel);
data.Courses.Add(new Course
{
Name = "Entity Framework",
Description = "Code First"
});
data.SaveChanges();
var entityFrCourse = data.Courses.SearchFor(c => c.Name == "Entity Framework").FirstOrDefault();
foreach (var master in masters)
{
entityFrCourse.Students.Add(master);
}
data.SaveChanges();
var activeCourses = data.Courses.SearchFor(c => c.Students.Count() > 0);
foreach (var course in activeCourses)
{
course.Description = "Code First Is Cool";
Console.WriteLine(course.Name);
}
data.SaveChanges();
}
public HomeworksController()
{
this.db = new StudentsSystemData();
}
public CoursesController()
{
this.studentsData = new StudentsSystemData();
}
public static void Main()
{
var data = new StudentsSystemData();
var courses = data.Courses.All();
foreach (var course in courses)
{
Console.WriteLine(course.Name);
}
data.Courses.Add(new Course
{
Name = "Repo Pattern2",
Description = "Cool3"
});
data.SaveChanges();
var students = data.Students.All();
Console.WriteLine(students.Count());
//var masters = data.Students.Where(st => st.Level > 1);
//PrintStudents(masters);
//var ivaylos = data.Students.Where(st => st.FirstName == "Ivaylo");
//PrintStudents(ivaylos);
//var firstMaster = data.Students.FirstOrDefault(st => st.Level == -5);
//if (firstMaster == null)
//{
// Console.WriteLine("NULL");
//}
//var levels = data.Students.Select(st => new
// {
// Level = st.Level,
// LastName = st.LastName
// });
//foreach (var level in levels)
//{
// Console.WriteLine(level.LastName);
//}
//var orderedStudents = data.Students
// .OrderBy(st => st.LastName)
// .ThenBy(st => st.Level);
//PrintStudents(orderedStudents);
//var someQuery = data.Students
// .Where(st => st.Level > 0)
// .OrderBy(st => st.LastName)
// .Select(st => new
// {
// FirstName = st.FirstName
// });
//var maxLevel = data.Students.Max(st => st.Level);
//Console.WriteLine(maxLevel);
//Console.WriteLine(data.Students.Find(2).LastName);
//data.Courses.Add(new Course
//{
// Name = "Entity Framework",
// Description = "Code First"
//});
//data.SaveChanges();
//var entityFrCourse = data.Courses.FirstOrDefault(c => c.Name == "Entity Framework");
//foreach (var master in masters)
//{
// // entityFrCourse.Students.Add(master);
//}
//data.SaveChanges();
//var activeCourses = data.Courses.Where(c => c.Students.Count() > 0);
//foreach (var course in activeCourses)
//{
// course.Description = "Code First Is Cool";
// Console.WriteLine(course.Name);
//}
//data.SaveChanges();
//var courses = data.Courses.ToList();
//foreach (var course in courses)
//{
// if (course.Students.Count() == 0)
// {
// data.Courses.Remove(course);
// }
//}
//var coursesWithStudents = data.Courses.Include(x => x.Students);
//data.SaveChanges();
//var someQuery = data.Students
// .Where(st => st.Level > 0)
// .OrderBy(st => st.LastName)
// .Select(st => new
// {
// FirstName = st.FirstName
// })
// .ToList();
//var courseFirst = data.Courses.FirstOrDefault();
//var courseEntry = data.Entry(courseFirst);
//courseEntry.State = EntityState.Detached;
//data.Courses.Attach(courseFirst);
//courseFirst.Name = "Entity Framework";
//data.SaveChanges();
}
public StudentsController(StudentsSystemData studentsSystemData)
{
this.data = studentsSystemData;
}
public StudentsController()
{
this.data = new StudentsSystemData();
}
public CoursesController()
{
this.studentsData = new StudentsSystemData();
}
public HomeworksController(StudentsSystemData studentsSystemData)
{
this.data = studentsSystemData;
}
public static void Main()
{
var data = new StudentsSystemData();
var courses = data.Courses.All();
foreach (var course in courses)
{
Console.WriteLine(course.Name);
}
data.Courses.Add(new Course
{
Name = "Repo Pattern",
Description = "Cool"
});
data.SaveChanges();
var students = data.Students.All();
Console.WriteLine(students.Count());
var masters = data.Students.SearchFor(st => st.Level > 1);
PrintStudents(masters);
var ivaylos = data.Students.SearchFor(st => st.FirstName == "Ivaylo");
PrintStudents(ivaylos);
var firstMaster = data.Students.SearchFor(st => st.Level == -5).FirstOrDefault();
if (firstMaster == null)
{
Console.WriteLine("NULL");
}
var levels = data.Students.All().Select(st => new
{
Level = st.Level,
LastName = st.LastName
});
foreach (var level in levels)
{
Console.WriteLine(level.LastName);
}
var orderedStudents = data.Students
.All()
.OrderBy(st => st.LastName)
.ThenBy(st => st.Level);
PrintStudents(orderedStudents);
var someQuery = data.Students
.All()
.Where(st => st.Level > 0)
.OrderBy(st => st.LastName)
.Select(st => new
{
FirstName = st.FirstName
});
var maxLevel = data.Students.All().Max(st => st.Level);
Console.WriteLine(maxLevel);
data.Courses.Add(new Course
{
Name = "Entity Framework",
Description = "Code First"
});
data.SaveChanges();
var entityFrCourse = data.Courses.SearchFor(c => c.Name == "Entity Framework").FirstOrDefault();
foreach (var master in masters)
{
entityFrCourse.Students.Add(master);
}
data.SaveChanges();
var activeCourses = data.Courses.SearchFor(c => c.Students.Count() > 0);
foreach (var course in activeCourses)
{
course.Description = "Code First Is Cool";
Console.WriteLine(course.Name);
}
data.SaveChanges();
}
public static void Main()
{
var data = new StudentsSystemData();
var courses = data.Courses.All();
foreach (var course in courses)
{
Console.WriteLine(course.Name);
}
data.Courses.Add(new Course
{
Name = "Repo Pattern",
Description = "Cool"
});
data.SaveChanges();
var students = data.Students.All();
Console.WriteLine(students.Count());
// var masters = data.Students.Where(st => st.Level > 1);
// PrintStudents(masters);
// var ivaylos = data.Students.Where(st => st.FirstName == "Ivaylo");
// PrintStudents(ivaylos);
// var firstMaster = data.Students.FirstOrDefault(st => st.Level == -5);
// if (firstMaster == null)
// {
// Console.WriteLine("NULL");
// }
// var levels = data.Students.Select(st => new
// {
// Level = st.Level,
// LastName = st.LastName
// });
// foreach (var level in levels)
// {
// Console.WriteLine(level.LastName);
// }
// var orderedStudents = data.Students
// .OrderBy(st => st.LastName)
// .ThenBy(st => st.Level);
// PrintStudents(orderedStudents);
// var someQuery = data.Students
// .Where(st => st.Level > 0)
// .OrderBy(st => st.LastName)
// .Select(st => new
// {
// FirstName = st.FirstName
// });
// var maxLevel = data.Students.Max(st => st.Level);
// Console.WriteLine(maxLevel);
// Console.WriteLine(data.Students.Find(2).LastName);
// data.Courses.Add(new Course
// {
// Name = "Entity Framework",
// Description = "Code First"
// });
// data.SaveChanges();
// var entityFrCourse = data.Courses.FirstOrDefault(c => c.Name == "Entity Framework");
// foreach (var master in masters)
// {
// // entityFrCourse.Students.Add(master);
// }
// data.SaveChanges();
// var activeCourses = data.Courses.Where(c => c.Students.Count() > 0);
// foreach (var course in activeCourses)
// {
// course.Description = "Code First Is Cool";
// Console.WriteLine(course.Name);
// }
// data.SaveChanges();
// var courses = data.Courses.ToList();
// foreach (var course in courses)
// {
// if (course.Students.Count() == 0)
// {
// data.Courses.Remove(course);
// }
// }
// var coursesWithStudents = data.Courses.Include(x => x.Students);
// data.SaveChanges();
// var someQuery = data.Students
// .Where(st => st.Level > 0)
// .OrderBy(st => st.LastName)
// .Select(st => new
// {
// FirstName = st.FirstName
// })
// .ToList();
// var courseFirst = data.Courses.FirstOrDefault();
// var courseEntry = data.Entry(courseFirst);
// courseEntry.State = EntityState.Detached;
// data.Courses.Attach(courseFirst);
// courseFirst.Name = "Entity Framework";
// data.SaveChanges();
}
public StudentsController()
{
this.data = new StudentsSystemData();
}
