private void btn_Edit_Activities_Click(object sender, EventArgs e) { var selectedItem = listViewActivities.SelectedItems[0]; Activity selectedActivity = activities.Where(t => t.countStudents == int.Parse(selectedItem.Text)).FirstOrDefault(); ActivityDialog activityDialog = new ActivityDialog(selectedActivity); activityDialog.Show(); btn_Edit_Activities.Enabled = false; btn_Add_Activity.Enabled = false; }
private void btn_Add_Activity_Click(object sender, EventArgs e) { ActivityDialog activityDialog = new ActivityDialog(); activityDialog.Show(); }