private void toggleTimeseries(ListViewCommandEventArgs e, int rowindex)
{
ucTsWasteTransfersSheet control = (ucTsWasteTransfersSheet)this.lvWasteTransferActivity.Items[rowindex].FindControl("ucTsWasteTransfersSheet");
closeAllSubSheets(); // only allow 1 sheet open
control.Visible = !control.Visible;
Control div = this.lvWasteTransferActivity.Items[rowindex].FindControl("subsheet");
div.Visible = !div.Visible;
if (control.Visible)
{
// create search filter and change activity filter
WasteTransferTimeSeriesFilter filter = FilterConverter.ConvertToWasteTransferTimeSeriesFilter(SearchFilter);
filter.ActivityFilter = getActivityFilter(e);
control.Populate(filter, SearchFilter.YearFilter.Year);
}
}