<%--
Document : response
Created on : Jan 20, 2010, 11:34:37 AM
Author : srishi
--%>
<%@page import="java.sql.*"%>
<%@page import="java.io.*"%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>employee data entry</title>
</head>
<body>
<form action="response.jsp" method="get">
<center>Employee Data Entry Page</center>
<table border ="0">
<tr>
<td>
<br>
<h5>Employee Id(India)</h5>
</td>
<td><input type="text" name ="emp_idin"size="15" id="tb">
</td>
<br>
<tr>
<td>
<h5>Employee Id(USA)</h5>
</td>
<td><input type="text" name ="emp_idus"size="15" id="textbox1">
</td>
</tr>
<br>
<tr>
<td>
<h5>Employee Name</h5>
</td>
<td><input type="text" name ="emp_name" size ="40" id="textbox2">
<br>
</td>
</tr>
<tr>
<td>
<h5>Designation</h5>
</td><td><input type="text" name ="emp_des" size="40" id="textbox3">
</td></tr>
<tr>
<td>
<h5>Department</h5></td><td><input type="text" name ="emp_dept" size="40" id="textbox4">
</td></tr>
</table>
<input type="submit" value="submit" name="submit"/>
<%
String emp_idin = request.getParameter("emp_idin");
String emp_idus = request.getParameter("emp_idus");
String emp_name = request.getParameter("emp_name");
String emp_des = request.getParameter("emp_name");
String emp_dept = request.getParameter("emp_dept");
/* Create string of connection url within specified
format with machine name,
port number and database name. Here machine name id
localhost and database name is student. */
String connectionURL = "jdbc:odbc:empdsn";
// declare a connection by using Connection interface
Connection connection = null;
// declare object of Statement interface that uses for executing sql statements.
PreparedStatement pstatement = null;
// Load JBBC driver "com.mysql.jdbc.Driver"
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver").newInstance();
int updateQuery = 0;
// check if the text box is empty
if(emp_idin!=null && emp_idus!=null && emp_name!=null && emp_des!=null && emp_dept!=null){
// check if the text box having only blank spaces
if(emp_idin!="" && emp_idus!="" && emp_name!="" && emp_des!="" && emp_dept!="") {
try {
/* Create a connection by using getConnection()
method that takes parameters of string type
connection url, user name and password to connect
to database. */
connection = DriverManager.getConnection(connectionURL, "", "");
// sql query to insert values in the secified table.
String queryString = "INSERT INTO emp_mast(emp_idin,emp_idus,emp_name,emp_des,emp_dept) VALUES (?, ?, ?)";
/* createStatement() is used for create statement
object that is used for
sending sql statements to the specified database. */
pstatement = connection.prepareStatement(queryString);
pstatement.setString(1,emp_idin);
pstatement.setString(2,emp_idus);
pstatement.setString(3,emp_name);
pstatement.setString(4,emp_des);
pstatement.setString(5,emp_dept);
updateQuery = pstatement.executeUpdate();
if (updateQuery != 0) { %>
<br>
<table border="0">
<tr><th>Data is inserted successfully
in database.</th></tr>
</table>
<%
}
}
catch (Exception ex) {
out.println("Unable to connect to Database.");
}
finally {
// close all the connections.
pstatement.close();
connection.close();
}
}
}
%>
</form>
</body>
</html>the problem with this code is this whn i run the project its executing very good but on entereing the data ... its goin directly on the exception and printing unable tyo connect database