Ajax

[jerald55]

below my java Script is there
it is not entering after if(xmlObj.readystate == 4 & xmlObj.status == 200)
please help me..,

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}
var xmlObj = GetXmlHttpObject();

function getCityData()
{
	var stateValue = document.getElementById("State").value;
	
	url = "http://localhost:8085/NewForm/getCity.jsp?State="+stateValue;
	alert(url);
	xmlObj.open("GET",url,true);
	
	xmlObj.onreadystatechange = function()	{  
		//alert(xmlObj.status);
		//alert(xmlObj.readystate);
		alert(xmlObj);
		if(xmlObj.readystate == 4 & xmlObj.status == 200)
		
		{
					alert(xmlObj.readystate);
			alert("jerald");
			alert(xmlObj.responseText);
			//var id =
				document.getElementById("City");
			
			var result = xmlObj.responseText;
			alert(result);
				
			var s = result.split(',');
			var indx = 1;
			for(indx=1; indx < s.length; indx++)
			
			{
				document.form1.City.options[s[indx]] = new Option(s[2],s[1]);
			
			}
			
			}
	}
	xmlObj.send(null);
}

[clueful]

Try alerting the relevant values:

xmlObj.onreadystatechange = function() { 
alert(  this.readyState + '\n\n' + this.status )

If you are testing locally and not under the http protocol, status will always be 0. To avoid that you could change your if() statement to:

if( this.readystate == 4 && ( !location.href.indexOf('http') ? this.status == 200 : true ) )

[Kor]

At a first glace

if(xmlObj.readystate == 4 & xmlObj.status == 200)

Should be:

if(xmlObj.readystate == 4 && xmlObj.status == 200)

[jerald55]

Hi,
I did it but i totally changed my code i'm not used xmlObj i used xmlHttp
my coding are shown below

function loadContent()
{

xmlhttp=GetXmlHttpObject();

if (xmlhttp==null)
{
alert ("Your browser does not support Ajax HTTP");
return;
}

var stateValue = document.getElementById("State").value;
var url="getCity.jsp";
url=url+"?State="+stateValue;

xmlhttp.onreadystatechange=getOutput;
xmlhttp.open("GET",url,true);


xmlhttp.send(null);
}


function getOutput()
{
if (xmlhttp.readyState==4)
{

document.getElementById("City").innerHTML=xmlhttp.responseText;
//alert(document.getElementById("City"));
}
}
function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
{
return new XMLHttpRequest();
}
if (window.ActiveXObject)
{
return new ActiveXObject("Microsoft.XMLHTTP");
}
return null;
}

but now i'm facing another problem this javascript goes to my getCity.jsp
in that JSP i want to get C_ID and City Name but i want to display only the city name in the combo box2
now i'm getting both the C_ID and city name in the combo box 2

below my getCity.jsp are shown

<%@ page import="java.sql.*"%>
<%@ page import="java.io.*"%>
<%@ page import="java.lang.*"%>
<%@ page import="java.text.*"%>
<%@page contentType="text/html" pageEncoding="UTF-8" language="java"%>

<%
String stateId = null;
Connection con = null;
PreparedStatement stmt = null;
ResultSet rs = null;

try
{
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());

con = DriverManager.getConnection("jdbcracle:thin:@localhost:1521:xe","distil","distil");

stateId = request.getParameter("State");

String query = "select C_ID,CITY from mt2 where S_ID='"+stateId+"'";

stmt = con.prepareStatement(query);

rs = stmt.executeQuery();
String City = null;
while(rs.next())
{
City = "" + rs.getString(1) + " " + rs.getString(2);
//City = ""+ rs.getString(1);
}
out.println(City);
}
catch (SQLException ex){
System.err.println(ex.getMessage());
}
catch (Exception e){
e.printStackTrace();
}
finally{
//rs.close();
//con.close();
stmt.close();
}
%>

[jerald55]

i want to write coding for date format for Oracle dd-mmm-yyyy in ajax.


in the Form i put text box i converted string to Date format in server side.

but my TL said to change the code in ajax or javaScript to validate the date in client side itself.


Now i taken the code for nov-11-2011 how can i change that code for my format..

my javascript for date is coming below


function check(objName) {
var datefield = objName;
if (isDate(objName) == false) {
datefield.select();
alert("Invalid dates.");
datefield.focus();
return false;
}
else {
return true;
}
}
function isDate(objName) {
var strDatestyle = "dd-mmm-yyyy";
var strDate;
var strDateArray;
var strDay;
var strMonth;
var strYear;
var intday;
var intMonth;
var intYear;
var booFound = false;
var datefield = objName;
var strSeparadate2rArray = new Array("-"," ","/",".");
var intElementNr;
var err = 0;
var strMonthArray = new Array(12);
strMonthArray[0] = "Jan";
strMonthArray[1] = "Feb";
strMonthArray[2] = "Mar";
strMonthArray[3] = "Apr";
strMonthArray[4] = "May";
strMonthArray[5] = "Jun";
strMonthArray[6] = "Jul";
strMonthArray[7] = "Aug";
strMonthArray[8] = "Sep";
strMonthArray[9] = "Oct";
strMonthArray[10] = "Nov";
strMonthArray[11] = "Dec";
strDate = datefield.value;
if (strDate.length < 1) {
return true;
}
for (intElementNr = 0; intElementNr < strSeparadate2rArray.length; intElementNr++) {
if (strDate.indexOf(strSeparadate2rArray[intElementNr]) != -1) {
strDateArray = strDate.split(strSeparadate2rArray[intElementNr]);
if (strDateArray.length != 3) {
err = 1;
return false;
}
else {
strDay = strDateArray[0];
strMonth = strDateArray[1];
strYear = strDateArray[2];
}
booFound = true;
}
}
if (booFound == false) {
if (strDate.length>5) {
strDay = strDate.substr(0, 2);
strMonth = strDate.substr(2, 2);
strYear = strDate.substr(4);
}
}
if (strYear.length == 2) {
strYear = '20' + strYear;
}
if (strDatestyle == "dd-mmm-yyyy") {
strTemp = strDay;
strDay = strMonth;
strMonth = strTemp;
}
intday = parseInt(strDay, 10);
if (isNaN(intday)) {
err = 2;
return false;
}
intMonth = parseInt(strMonth, 10);
if (isNaN(intMonth)) {
for (i = 0;i<12;i++) {
if (strMonth.toUpperCase() == strMonthArray[i].toUpperCase()) {
intMonth = i+1;
strMonth = strMonthArray[i];
i = 12;
}
}
if (isNaN(intMonth)) {
err = 3;
return false;
}
}
intYear = parseInt(strYear, 10);
if (isNaN(intYear)) {
err = 4;
return false;
}
if (intMonth>12 || intMonth<1) {
err = 5;
return false;
}
if ((intMonth == 1 || intMonth == 3 || intMonth == 5 || intMonth == 7 || intMonth == 8 || intMonth == 10 || intMonth == 12) && (intday > 31 || intday < 1)) {
err = 6;
return false;
}
if ((intMonth == 4 || intMonth == 6 || intMonth == 9 || intMonth == 11) && (intday > 30 || intday < 1)) {
err = 7;
return false;
}
if (intMonth == 2) {
if (intday < 1) {
err = 8;
return false;
}
if (LeapYear(intYear) == true) {
if (intday > 29) {
err = 9;
return false;
}
}
else {
if (intday > 28) {
err = 10;
return false;
}
}
}
if (strDatestyle == "dd-mmm-yyyy") {
//datefield.value = strMonthArray[intMonth-1] + "-" + intday+"-" + strYear;
datefield.value = intday + "-" +strMonthArray[intMonth-1]+"-" + strYear;

}
else {
datefield.value = intday + "-" + strMonthArray[intMonth-1] + "-" + strYear;
}
return true;
}
function LeapYear(intYear) {
if (intYear % 100 == 0) {
if (intYear % 400 == 0) { return true; }
}
else {
if ((intYear % 4) == 0) { return true; }
}
return false;
}
function doDateCheck(dil_ProjectStartDate, dil_ProjectEndDate) {
if (Date.parse(dil_ProjectStartDate.value) <= Date.parse(dil_ProjectEndDate.value)) {
alert("The dates are valid.");
}
else {
if (dil_ProjectStartDate.value == "" || dil_ProjectEndDate.value == "")
alert("Enter date.");
else
alert("Date of joining must be greater than date of birth.");
}
}




<td><font size="5">Project Start Date</td>
<td><input type="text" size="20" name="dil_ProjectStartDate" onBlur="check(this)">
</td>
<td><font size="5">Project End Date</td>
<td><input type="text" size="20" name="dil_ProjectEndDate" onBlur="check(this)">
</td>
Please Help ME

[jerald55]

hi i have written the program for generating dynamic combo box.

i created 3 table for state mt1(table name),City mt2,Area mt3.

using ajax i have generated dynamic combo box but in the database it store only the ID not the select character..,


what i want to do...,

[jerald55]

Please Help Me...
Reply for my thread..,