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Old 05-25-04, 11:06
timtm timtm is offline
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Join Date: May 2004
Posts: 1
Insert record into mySQL table

I'm having a little trouble inserting a record into a mySQL table. I'm using a Java Bean to do the insert.

insert.jsp
<form name="insertMovie" method="post" action="insertNow.jsp">

insertNow.jsp
<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" errorPage="" %>
<jsp:useBean id="movieBean" class="beans.movieBean" scope="request"/>

<%
try
{
/*SET THE REQUEST OBJECT */
movieBean.setRequest(request);

/* INSERT MOVIE INTO DATABASE */
movieBean.insertMovie();
}
catch (Exception e)
{
System.out.println(e.getMessage());
}
%>


movieBean.javapackage beans;
import java.lang.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class movieBean {
String mTitle;
String mRating;
String mGenre;
String mDuration;
String mTime1;
String mTime2;
String mTime3;
String mTime4;
String mTime5;
String mTime6;
String mDesc;
String mNowShow;
String mActor;
String mDirector;
String mProducer;
String mWriter;
String mStudio;
HttpServletRequest request = null;
Connection dbConn = null;

//SETS THE REQUEST OBJECT. THIS IS USED FOR GETTING PARAMETERS
public void setRequest(HttpServletRequest request){
this.request = request;
}

//CONNECT TO THE DATABASE
public void connectToDatabase()
throws Exception
{
Class.forName("org.gjt.mm.mysql.Driver");
String host="localhost";
String user="";
String pass="";
String db="dbname";
String connString;
connString = "jdbc:mysql://" + host + "/" + db + "?user=" + user + "&password=" + pass;
//connString = "jdbc:mysql://" + host + "/" + db;
Connection dbConn = DriverManager.getConnection(connString);
if(dbConn== null)
{
throw new Exception("The database connection failed");
}
}

//INSERT A RECORD INTO THE DATABASE - tblmovie
public void insertMovie()
throws Exception
{
//Connects to the database
connectToDatabase();

//Get the parameters from the insertMovie.jsp form (form values)
mTitle = request.getParameter("Title");
mRating = request.getParameter("Rating");
mGenre = request.getParameter("Genre");
mDuration = request.getParameter("Duration");
mTime1 = request.getParameter("Time1");
mTime2 = request.getParameter("Time2");
mTime3 = request.getParameter("Time3");
mTime4 = request.getParameter("Time4");
mTime5 = request.getParameter("Time5");
mTime6 = request.getParameter("Time6");
mDesc = request.getParameter("Desc");
mNowShow = request.getParameter("Showing");
mActor = request.getParameter("Actor");
mDirector = request.getParameter("Director");
mProducer = request.getParameter("Producer");
mWriter = request.getParameter("Writer");
mStudio = request.getParameter("Studio");

//Statement stmt = dbConn.createStatement();

//BUILD THE SQL INSERT STATEMENT
String sql = "INSERT INTO tblmovie " +
"(Title, Rating, Genre, Duration, Time1, Time2, Time3, Time4, Time5, Time6" +
"Description, Showing, Actor, Director, Producer, Writer, Studio)" +
"VALUES " +
"(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";

//THIS PREPARES THE SELECT STATEMENT
PreparedStatement statement = dbConn.prepareStatement(sql);

//SET THE PARAMETERS and RUN IT
statement.setObject (1, mTitle);
statement.setObject (2, mRating);
statement.setObject (3, mGenre);
statement.setObject (4, mDuration);
statement.setObject (5, mTime1);
statement.setObject (6, mTime2);
statement.setObject (7, mTime3);
statement.setObject (8, mTime4);
statement.setObject (9, mTime5);
statement.setObject (10, mTime6);
statement.setObject (11, mDesc);
statement.setObject (12, mNowShow);
statement.setObject (13, mActor);
statement.setObject (14, mDirector);
statement.setObject (15, mProducer);
statement.setObject (16, mWriter);
statement.setObject (17, mStudio);

statement.executeUpdate();

//CLOSE THE DATABASE CONNECTION
dbConn.close();

}
....
}



Why isn't this inserting the record? Please help, I've been struggling with this for a couple of days now.

Thanks

Last edited by timtm; 05-25-04 at 11:14.
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