1)ajax.jsp:
<%@ page import="java.sql.*" %> <%
String name = request.getParameter("name").toString();
System.out.println(name);
String data ="";
try{
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
Statement st=con.createStatement();
ResultSet rs=st.executeQuery("select * from employee where name='"+name+"'");
while(rs.next())
{
data =rs.getString("address");
}
out.println(data);
System.out.println(data);
}
catch (Exception e) {
System.out.println(e);
}
%>
<%@page import="java.sql.*"%><html>
<head>
<script type="text/javascript">
function showData(value){
xmlHttp=GetXmlHttpObject()
var url="getdata.jsp";
url=url+"?name="+value;
xmlHttp.onreadystatechange=stateChanged
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
function stateChanged() { if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
var showdata = xmlHttp.responseText;
document.getElementById("lab").innerHTML="Address";
document.getElementById("address").style.visibility="visible";
document.getElementById("address").value= showdata;
} }
function GetXmlHttpObject(){
var xmlHttp=null;
try {
xmlHttp=new XMLHttpRequest();
}
catch (e) {
try {
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
}
</script>
</head>
<body>
<form name="employee">
<br><br>
<pre>
<label>Name</label> <input type="text" name="name" id="name" onkeyup="showData(this.value);">
<label id="lab"> </label> <input style="visibility:hidden" type="text" name="address" id="address">
</form> </html>
--------------------------------------------------
2)getdata.jsp:<%@ page import="java.sql.*" %> <%
String name = request.getParameter("name").toString();
System.out.println(name);
String data ="";
try{
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
Statement st=con.createStatement();
ResultSet rs=st.executeQuery("select * from employee where name='"+name+"'");
while(rs.next())
{
data =rs.getString("address");
}
out.println(data);
System.out.println(data);
}
catch (Exception e) {
System.out.println(e);
}
%>
