protected void btnSearch_Click(object sender, EventArgs e)
        {
            Distrito.Set(ddlDistrito.Selected);
            Location.Set(ddlPlanta.Selected);
            Chofer.Set(ddlEmpleado.Selected);
            Mobile.Set(ddlMovil.Selected);
            InitialDate.Set(SecurityExtensions.ToDataBaseDateTime(dtDesde.SelectedDate.Value));
            FinalDate.Set(SecurityExtensions.ToDataBaseDateTime(dtHasta.SelectedDate.Value));
            PoisTypesIds.Set(lbPuntosDeInteres.SelectedValues);

            var deltaTime = FinalDate.Get().Subtract(InitialDate.Get());

            if (deltaTime > dtvalidator.MaxRange)
            {
                ShowError("El rango de tiempo debe ser menor o igual a " + dtvalidator.MaxRange.ToString());
                return;
            }
            LoadPositions(true);
        }