protected void Page_Load(object sender, EventArgs e) { controleCliente = new ControleCliente(); if (Request.QueryString["cliente"] != null) { peqClienteConsulta.Enabled = false; this.carregarcliente(Convert.ToInt32(Request.QueryString["cliente"])); DropDownPet.DataSource = controleCliente.GetPets(); DropDownPet.DataTextField = "Nome"; DropDownPet.DataValueField = "Codigo"; DropDownPet.DataBind(); } }