private void btnDelete_Click(object sender, EventArgs e) { int ActivityID = int.Parse(txtbDelete.Text); if (MessageBox.Show("Are you sure that you want to delete this activity?", "Delete Activity", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { activity_Service.Delete_Activity(ActivityID); MessageBox.Show("Activity Deleted", "Done", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); } else { MessageBox.Show("Activity Not Deleted", "Done", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); } listViewActivities.Items.Clear(); showPanel("Activities"); }