Ошибка при получении значений из считывателя дважды

Question

У меня возникает ошибка при получении значений из 2 разных считывателей.

Ниже приведен мой код.

protected void Page_Load(object sender, EventArgs e) 
{ 
    SqlConnection con; 
    con = new SqlConnection("Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\ASPNETDB.MDF;Integrated Security=True;User Instance=True"); 
    SqlCommand com = new SqlCommand(); 
    DataSet ds = new DataSet(); 
    SqlDataAdapter da = new SqlDataAdapter(); 
    string result = "SELECT AVG(p_tan) AS p_tang, AVG(e_tan) AS e_tang, AVG(p_rel) AS p_reli, AVG(e_rel) AS e_reli, AVG(p_res) AS p_resp, AVG(e_res) AS e_resp, AVG(p_assu) AS p_assur, AVG(e_assu) AS e_assur, AVG(p_emp) AS p_emph, AVG(e_emp) AS e_emph FROM stats"; 
    SqlCommand showresult = new SqlCommand(result, con); 
    con.Open(); 
    SqlDataReader reader = showresult.ExecuteReader(); 
    while (reader.Read()) 
    { 
     Label1.Text = reader["p_tang"].ToString().Trim(); 
     Label2.Text = reader["e_tang"].ToString().Trim(); 
     Label3.Text = reader["p_reli"].ToString().Trim(); 
     Label4.Text = reader["e_reli"].ToString().Trim(); 
     Label5.Text = reader["p_resp"].ToString().Trim(); 
     Label6.Text = reader["e_resp"].ToString().Trim(); 
     Label7.Text = reader["p_assur"].ToString().Trim(); 
     Label8.Text = reader["e_assur"].ToString().Trim(); 
     Label9.Text = reader["p_emph"].ToString().Trim(); 
     Label10.Text = reader["e_emph"].ToString().Trim(); 
reader.Close(); 
     reader.Dispose(); 


     string re = "SELECT AVG(p_tan) AS p_tang1, AVG(e_tan) AS e_tang1, AVG(p_rel) AS p_reli1, AVG(e_rel) AS e_reli1, AVG(p_res) AS p_resp1, AVG(e_res) AS e_resp1, AVG(p_assu) AS p_assur1, AVG(e_assu) AS e_assur1, AVG(p_emp) AS p_emph1, AVG(e_emp) AS e_emph1 FROM stats_other"; 
     SqlCommand manager = new SqlCommand(re, con); 

     SqlDataReader rea = showresult.ExecuteReader(); 


     while (rea.Read()) 
     { 
      Label33.Text = rea["p_tang1"].ToString().Trim(); 
      Label34.Text = rea["e_tang1"].ToString().Trim(); 
      Label23.Text = rea["p_reli1"].ToString().Trim(); 
      Label24.Text = rea["e_reli1"].ToString().Trim(); 

      Label41.Text = rea["p_resp1"].ToString().Trim(); 
      Label42.Text = rea["e_resp1"].ToString().Trim(); 
      Label28.Text = rea["p_assur1"].ToString().Trim(); 
      Label29.Text = rea["e_assur1"].ToString().Trim(); 
      Label37.Text = rea["p_emph1"].ToString().Trim(); 
      Label38.Text = rea["e_emph1"].ToString().Trim(); 

Когда я бегу он выдает ошибку о том, «индекс из исключения диапазона был необработанное пользователем кода»

Любая помощь будет appriciate

Answer 1

string re = "SELECT AVG(p_tan) AS p_tang1, AVG(e_tan) AS e_tang1, AVG(p_rel) AS p_reli1, AVG(e_rel) AS e_reli1, AVG(p_res) AS p_resp1, AVG(e_res) AS e_resp1, AVG(p_assu) AS p_assur1, AVG(e_assu) AS e_assur1, AVG(p_emp) AS p_emph1, AVG(e_emp) AS e_emph1 FROM stats_other"; 
    SqlCommand manager = new SqlCommand(re, con); 

    SqlDataReader rea = showresult.ExecuteReader(); 

Вы только что создали второй читатель для оригинал команда.
Вы никогда не используете manager.