public void Add(tab_teacher teacher)
{
using (context = new Context())
{
context.Teachers.Add(teacher);
context.SaveChanges();
}
}
public void Update(tab_teacher teacher)
{
using (context = new Context())
{
var item = context.Teachers.Find(teacher.id);
if (item != null)
{
context.Entry(item).CurrentValues.SetValues(teacher);
context.SaveChanges();
}
}
}
