protected void btn_asignarGuardar_Click(object sender, EventArgs e) { PlayaOrigenDestinoBC plod = new PlayaOrigenDestinoBC(); DataTable dt = (DataTable)ViewState["seleccionados"]; if (plod.Crear(dt, int.Parse(hf_idPlaya.Value))) { ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "mensaje", "alert('Todo OK!');", true); } else { ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "mensaje", "alert('Error!');", true); } }