public void alterar(devolucao dev)
{
using (locadoraEntities1 db = new locadoraEntities1())
{
db.Entry(dev).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
}
public void excluir(devolucao dev)
{
using (locadoraEntities1 db = new locadoraEntities1())
{
db.Entry(dev).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
}
}
public void inserir(devolucao dev)
{
using (locadoraEntities1 db = new locadoraEntities1())
{
db.devolucao.Add(dev);
db.SaveChanges();
}
}
public devolucao selecionar(int codigo)
{
devolucao dev = null;
using (locadoraEntities1 db = new locadoraEntities1())
{
dev = (from devolucao in db.devolucao where devolucao.devolucao_codigo == codigo select devolucao).FirstOrDefault();
}
return(dev);
}