public ST_Purchase Update(ST_Purchase data)
{
dao.Entry(data).State = EntityState.Modified;
dao.SaveChanges();
return(data);
}
public ST_Purchase Insert(ST_Purchase data)
{
dao.ST_Purchase.Add(data);
dao.SaveChanges();
return(data);
}
public void Delete(ST_Purchase data)
{
dao.ST_Purchase.Remove(data);
dao.SaveChanges();
}