private void loginControlButton_Click(object sender, EventArgs e) { string userEmail = usersDataGridView.SelectedRows[0].Cells[4].Value.ToString(); bool status = users.FirstOrDefault(x => x.EmailAddress == userEmail).Active; int active = status == true ? 0 : 1; dbProcessor.ChangeActiveStatus(active, userEmail); users = dbProcessor.GetUsers(); usersDataGridView.Rows.Clear(); AddToDataGrid(users); }