public void Insert(T entidad)
 {
     using (var Db = new DavinciKlinicDBContext())
     {
         Db.Entry(entidad).State = EntityState.Added;
         Db.SaveChanges();
     }
 }
 public void Update(T entidad)
 {
     using (var db = new DavinciKlinicDBContext())
     {
         db.Entry(entidad).State = EntityState.Modified;
         db.SaveChanges();
     }
 }
 public void Delete(T Entidad)
 {
     using (var Db = new DavinciKlinicDBContext())
     {
         Db.Entry(Entidad).State = EntityState.Deleted;
         Db.SaveChanges();
     }
 }