protected void butCargabeb_Click(object sender, EventArgs e) { int val = 0; if (int.TryParse(txtcantbeb.Text, out val)) { int cant = 0; cant = negoBebida.CantidadBebidas(Convert.ToInt64(ddlbebida.SelectedItem.Value)); if (cant >= Convert.ToInt32(txtcantbeb.Text)) { LabErrorBe.Text = "*"; cargarGrilla(); negoPe.AgregarBebidaPla(Convert.ToInt64(ddlbebida.SelectedItem.Value), Convert.ToInt64(Session["idMesa"]), Convert.ToInt64(txtcantbeb.Text), Convert.ToInt64(Session["id"]) ); cargarGrilla(); CargaBebida(); } else { LabErrorBe.Text = "Solo quedan " + cant + " de " + ddlbebida.SelectedItem.Text; } } else { LabErrorBe.Text = "Debe ingresar numeros"; } negome.LiberarMesa(Convert.ToInt64(Session["idMesa"]), true); }