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POto retrieve data from database and show it with tha radio buttons with radio botton containing the data value
 

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  1. POto retrieve data from database and show it with tha radio buttons with radio botton containing the data value
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    <p>i am building a web based railway ticket reservation system. I want to retrieve all the required data from the database using while loop but show one of the data i.e train_no with radio button so that i could pass it to the next jsp. but while doing this i am getting an sql exception "data not found" . please help me. following is a part of the code...</p> <pre><code> &lt;%@page import="java.sql.*"%&gt; &lt;%@page import="javax.servlet.*"%&gt; &lt;%@page import="java.io.*"%&gt; &lt;%String s3=String.valueOf(request.getAttribute("s2")); String d3=String.valueOf(request.getAttribute("d2")); String dj3=String.valueOf(request.getAttribute("dj2")); %&gt; &lt;% Connection con; PreparedStatement ps,ps1; ResultSet rs; try{ String driverName="sun.jdbc.odbc.JdbcOdbcDriver"; String url="jdbc:odbc:rail"; String username="root"; String password="root"; Class.forName(driverName); con=DriverManager.getConnection(url,username,password); ps=con.prepareStatement("Select * from train_for where source=? and destination=? and doj=?"); ps.setString(1,s3); ps.setString(2,d3); ps.setString(3,dj3); rs=ps.executeQuery(); while(rs.next()) { %&gt; &lt;tr&gt;&lt;td&gt;&lt;input type="radio" value="&lt;%=rs.getString("train_no")%&gt;" name="rad1"&gt;&lt;%=rs.getString("train_no")%&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;&lt;%=rs.getString(4)%&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;&lt;%=rs.getString(5)%&gt;&lt;/td&gt;&lt;/tr&gt; &lt;br&gt;&lt;br&gt; &lt;%} } catch(Exception e) { out.println(e); } %&gt; </code></pre>
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    1. USalpha_calling
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    1. COis your column for train_no auto-generated and is it populated already?
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      1. USmykey
    2. COAre you able to perform the SQL statement on the database itself? Does it return rows there?
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      1. POto retrieve data from database and show it with tha radio buttons with radio botton containing the data value
      1. USnimrod
    3. COi solved the problem. It was inside the while loop. i had to first store all the data retrieved from the database in different string variables.
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      1. USalpha_calling
 

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