Datareader is not reading the data

String username = TextBox1.Text.ToString();
String password = TextBox2.Text.ToString();
String utype = DropDownList1.Text.ToString();

if (utype == "user")
{
    SqlConnection cn = new SqlConnection(ConfigurationManager.ConnectionStrings["WATERMARKING"].ToString());
    String query = "Select USERNAME,PASSWORD,UTYPE from PROFILE where USERNAME='" + username + "'   and PASSWORD = '" + password + "' and UTYPE= '" + utype + "' ";
    SqlCommand cmd = new SqlCommand(query, cn);
    cn.Open();

    SqlDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);

    reader.Read();
    if (reader.HasRows)
    {
        HttpContext.Current.ApplicationInstance.CompleteRequest();
        Response.Redirect(Session["URL"].ToString());
    }
    else
    {
        HttpContext.Current.ApplicationInstance.CompleteRequest();
        //Response.Redirect( "LOGIN.aspx"  ) ;
        String s = "invalid user  password or username";
        Response.Write(s);
    }
}

else if(utype=="admin")
{
    SqlConnection cnn = new SqlConnection(ConfigurationManager.ConnectionStrings["WATERMARKING"].ToString());
    String queryy = "Select USERNAME,PASSWORD from PROFILE where USERNAME='" + username + "'   and PASSWORD = '" + password + "' ";
    SqlCommand cmd = new SqlCommand(queryy, cnn);
    cnn.Open();

    SqlDataReader readerr = cmd.ExecuteReader(CommandBehavior.CloseConnection);

    readerr.Read();
    if (readerr.HasRows)
    {
        HttpContext.Current.ApplicationInstance.CompleteRequest();
        Response.Redirect(Session["URLL"].ToString());
        //Response.Write("helo");
    }
    else
    {
        //HttpContext.Current.ApplicationInstance.CompleteRequest();
        //Response.Redirect( "LOGIN.aspx"  ) ;
        String s = "invalid admin password or username";
        Response.Write(s);
    }
}