public Student UpdateStudent(Student student)
{
if (String.IsNullOrWhiteSpace(student.IndexNumber))
{
throw new InvalidArgumentException("Nie podano numeru indexu studenta do zmiany");
}
var db = new apbdContext();
db.Attach(student);
if (student.FirstName != null && student.FirstName.Trim().Length > 0)
{
db.Entry(student).Property("FirstName").IsModified = true;
}
if (student.LastName != null && student.LastName.Trim().Length > 0)
{
db.Entry(student).Property("LastName").IsModified = true;
}
if (student.BirthDate != null)
{
db.Entry(student).Property("BirthDate").IsModified = true;
}
db.SaveChanges();
return(GetStudent(student.IndexNumber));
}
public bool DeleteStudent(string id)
{
var student = _studentContext.Student.First(s => s.IndexNumber == id);
if (student != null)
{
_studentContext.Entry(student).State = EntityState.Detached;
_studentContext.Attach(student);
_studentContext.Entry(student).State = EntityState.Deleted;
_studentContext.SaveChanges();
return(true);
}
return(false);
}
public void DeleteStudent(string index)
{
var db = new apbdContext();
var s = new Student
{
IndexNumber = index
};
db.Attach(s);
db.Remove(s);
db.SaveChanges();
}
