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Harshu
Programming error
1 Answer(s)      4 years and 11 months ago
Posted in : JDBC


import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;

public class UpdOrders extends HttpServlet
{
public void doGet(HttpServletRequest req,HttpServletResponse res)throws ServletException,IOException
{
res.setContentType("text/html");
PrintWriter out=res.getWriter();

int num2=Integer.parseInt(req.getParameter("num1"));
String nm2=req.getParameter("nm1");
String add2=req.getParameter("add1");
String e2=req.getParameter("e1");
String ph2=req.getParameter("ph1");

try
{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con=DriverManager.getConnection("jdbc:odbc:Odsn");
Statement s=con.createStatement();
int x=s.executeUpdate("update OrderTab set (Name='"+nm2+"',Address='"+add2+"',E-Mail='"+e2+"',PhoneNo='"+ph2+"' where OrderNo="+num2+")");

if(x>0)
out.println("Updated");
else
out.println("Not Updated");
}
catch(SQLException se)
{
out.println("Database Error :"+se.getMessage());
}
catch(Exception e)
{
out.println(e.toString());
}
}
}

Please reply me the error in this program because i am not getting the answer. please do reply.

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View Answers

January 19, 2010 at 3:30 PM


Hi Friend,

Change your field name E-Mail to Email in your database. It contradicts.

Try the following:

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;

public class UpdOrders extends HttpServlet
{
public void doPost(HttpServletRequest req,HttpServletResponse res)throws ServletException,IOException
{
res.setContentType("text/html");
PrintWriter out=res.getWriter();

int num2=Integer.parseInt(req.getParameter("num1"));
String nm2=req.getParameter("nm1");
String add2=req.getParameter("add1");
String e2=req.getParameter("e1");
String ph2=req.getParameter("ph1");

try
{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con=DriverManager.getConnection("jdbc:odbc:access");
Statement s=con.createStatement();
int x=s.executeUpdate("update OrderTab set Name='"+nm2+"',Address='"+add2+"',Email='"+e2+"',PhoneNo='"+ph2+"' where OrderNo='"+num2+"'");

if(x>0)
out.println("Updated");
else
out.println("Not Updated");
}
catch(SQLException se)
{
out.println("Database Error :"+se.getMessage());
}
catch(Exception e)
{
out.println(e.toString());
}
}
}

Thanks


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