public void Create()
{
using (var sm = new StudentManager())
{
Student s = new Student();
}
}
public bool AddStudent(Student v)
{
db.Students.Add(v);
if (!Save())
{
return false;
}
return true;
}
public bool RemoveStudent(Student v)
{
if (!db.Students.Local.Contains(v))
{
db.Students.Attach(v);
}
db.Students.Remove(v);
if (!Save())
{
return false;
}
return true;
}
public bool UpdateStudent(Student v)
{
if (!db.Students.Local.Contains(v))
{
db.Students.Attach(v);
}
db.Entry<Student>(v).State = EntityState.Modified;
if (!Save())
{
return false;
}
return true;
}