//silme
public void Delete(Newspapers newspapers)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(newspapers);
entity.State = EntityState.Deleted;
context.SaveChanges();
}
}
//güncelleme
public void Update(Journals journals)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(journals);
entity.State = EntityState.Modified;
context.SaveChanges();
}
}
public void Delete(OrderList orderList)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(orderList);
entity.State = EntityState.Deleted;
context.SaveChanges();
}
}
//Silme fonksiyonu
public void Delete(GeneralBooks generalBooks)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(generalBooks);
entity.State = EntityState.Deleted;
context.SaveChanges();
}
}
//Güncelleme fonksiyonu
public void Update(EnglishBooks englishBooks)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(englishBooks);
entity.State = EntityState.Modified;
context.SaveChanges();
}
}
//Silme fonksiyonunu yazalım :
public void Delete(ForeignMembers foreignMembers)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(foreignMembers);
entity.State = EntityState.Deleted;
context.SaveChanges();
}
}
//Silme fonksiyonunu yazalım :
public void Delete(CollegeStudents collegeStudents)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(collegeStudents);
entity.State = EntityState.Deleted;
context.SaveChanges();
}
}
//Ekleme fonksiyonu
public void Add(GeneralBooks generalBooks)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
var entity = context.Entry(generalBooks);
entity.State = EntityState.Added;
context.SaveChanges();
//context.GeneralBooks.Add(generalBooks);
//context.SaveChanges();
}
}
//Ekleme fonksiyonunu yazalım :
public void Add(ForeignMembers foreignMembers)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
//context.ForeignMembers.Add(foreignMembers);
//context.SaveChanges();
var entity = context.Entry(foreignMembers);
entity.State = EntityState.Added;
context.SaveChanges();
}
}
//Güncelleme işlemini gerçekleştirecek olan kodu yazalım :
public void Update(GeneralMembers generalMembers)
{
using (InstituteDbEntities context = new InstituteDbEntities())
{
//Bizim güncellencek olan ürünü bulup verilerini değiştirip kaydetme işlemini yapmamız gerekiyor.
//Bu işlem entity framework'de şu şekilde yapılır:
var entity = context.Entry(generalMembers); //bu generalMembers için context üzerinden abone ol demek
//Yani bizim gönderdğimiz generalMembers'ı vt'deki generalMembers ile eşitliyor
entity.State = EntityState.Modified; //Güncelle
context.SaveChanges(); //Değişiklikleri kaydedelim.
}
}