private void buttonDelete_Click(object sender, EventArgs e)
{
DataRowView view = this.BindingContext[adaWorkSystemDataSet1, "Schedule.FK_Activity_Schedule"].Current as DataRowView;
ADAWorkSystemDataSet.ActivityRow row = view.Row as ADAWorkSystemDataSet.ActivityRow;
int scheduleId = row.ScheduleId;
row.Delete();
DataRow[] rows = adaWorkSystemDataSet1.Activity.Select("ScheduleId = " + scheduleId,
"Sequence ASC");
int i = 1;
foreach (ADAWorkSystemDataSet.ActivityRow activityRow in rows)
{
activityRow.Sequence = i++;
}
}