public void OnSubreportProcessing(ReportViewer reportViewer, SubreportProcessingEventArgs e)
{
var countryId = int.Parse(e.Parameters["CountryId"].Values.First());
var cities = LocalData.GetCitiesByCountryId(countryId);
e.DataSources.Add(new ReportDataSource("Cities", cities));
}
public void OnDrillthrough(ReportViewer reportViewer, DrillthroughEventArgs e)
{
var report = (LocalReport)e.Report;
var parameters = report.GetParameters();
var countryId = int.Parse(parameters["CountryId"].Values.First());
var cities = LocalData.GetCitiesByCountryId(countryId);
report.DataSources.Add(new ReportDataSource("Cities", cities));
report.Refresh();
}
