Cod tinut aici doar pt $

//checkedListBox1.Items[].
            //con.Open();
            //string test = "@ID";
            //String sqlSelectQuery = "SELECT * FROM produsMasina";// WHERE ID = ID"  ; // dar ID este INT
            ////SqlCommand cmd = new SqlCommand(sqlSelectQuery, con);
            //int.TryParse(textBox2.Text, out int id);
            //int a = 9;
            ////cmd.Parameters.AddWithValue("@ID", id);
            //SqlDataReader dr = cmd.ExecuteReader();
            //while (dr.Read())
            //{
            //    textBox3.Text += $"{dr["ID"]}   {dr["Masina"].ToString()}   {dr["model"]}  {dr["roti"]}   {dr["culoare"]}" + Environment.NewLine;
            //}
            //con.Close();