protected void Page_Load(object sender, EventArgs e)
 {
     try {
         client = new WSHabitat.WS_HabitadClient();
         string    fileJSON = client.consultaHabitad();
         DataTable dt       = (DataTable)JsonConvert.DeserializeObject(fileJSON, typeof(DataTable));
         GridView_Habitats.DataSource = dt;
         if (!IsPostBack)
         {
             GridView_Habitats.DataBind();
         }
     } catch (Exception ex) {
         Response.Write("<script language=javascript> alert('" + ex.Message + "'); </script>");
     }
 }
 protected void GridView_Habitats_PageIndexChanging(object sender, GridViewPageEventArgs e)
 {
     GridView_Habitats.PageIndex = e.NewPageIndex;
     GridView_Habitats.DataBind();
 }