public void RemoveStudentFromDB(Student toRemove)
{
var student = new Student {
IdStudent = toRemove.IdStudent
};
// context.Entry(stu).State = System.Data.Entity.EntityState.Modified;
var entry = context.Entry(student);
/* if (entry.State == EntityState.Detached || entry.State == EntityState.Modified)
* {
* context.Entry(stu).State = System.Data.Entity.EntityState.Detached;
* entry.State = EntityState.Modified;
*/
context.Students.Attach(student);
context.Students.Remove(student);
context.SaveChanges();
}
public void Commit()
{
bool saveFailed;
do
{
saveFailed = false;
try
{
context.SaveChanges();
}
catch (DbUpdateConcurrencyException ex)
{
saveFailed = true;
ex.Entries.Single().Reload();
}
} while (saveFailed);
}