Re: javascript validations

From:
srilatha Palla <srilatha.palla39@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 30 Jun 2013 22:44:58 -0700 (PDT)
Message-ID:
<29192858-655d-4e61-bc35-b1b4f7ce688a@googlegroups.com>
On Monday, July 1, 2013 10:59:48 AM UTC+5:30, srilatha Palla wrote:

<%@ page import="da.ma.volks.Connector" %>
 
<%@page import="java.sql.*"%>
 
<%@ page import="java.awt.*" %>
 
<%@ page language="java" contentType="text/html; charset=ISO-8859-1=

"

 
    pageEncoding="ISO-8859-1"%>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://ww=

w.w3.org/TR/html4/loose.dtd">

 
<html>
 
<head>
 
 
 
<script language="javascript" src="mail.js"></script>
 
 
 
<script type="text/javascript">
 
 
 
function verify()
 
{
 
=09
 
 
 
        var letters = /^[A-Za-z]+$/;
 
for( var i=0;i<document.getElementById("Registration").value.length;i++=

)

 
    {
 
        if (document.Registration.fname.value == ""
 
                || document.Registration.fname.value == null) {
 
            alert(" firstname cannot be blank");
 
            document.Registration.fname.focus();
 
        =09
 
            return false;
 
        }
 
        else
 
        if (!document.Registration.fname.value.match(letters)) {
 
            alert(" Enter alphabetics only in fname");
 
            document.Registration.fname.focus();
 
            return false;
 
        }
 
        else
 
        if (document.Registration.lname.value == ""
 
                || document.Registration.lname.value == null) {
 
            alert("LastName cannot be blank ");
 
            document.Registration.lname.focus();
 
            return verifyfname();
 
        }
 
 
 
        if (!document.Registration.lname.value.match(letters)) {
 
            alert(" Enter alphabetics only");
 
            document.Registration.lname.focus();
 
            return false;
 
        }
 
 
 
        if (document.Registration.uid.value == "") {
 
            alert("userid cannot be blank");
 
            document.Registration.uid.focus();
 
            return false;
 
        }
 
        var letter = "_";
 
        if (document.Registration.uid.value.match(letter)) {
 
            alert("underscores not allowed");
 
            document.Registration.uid.focus();
 
            return false;
 
        }
 
 
 
        if (document.Registration.pwd.value == "") {
 
            alert("password cannot be blank");
 
            document.Registration.pwd.focus();
 
            return false;
 
        }
 
 
 
        if (document.Registration.pwd.value.length < 5) {
 
            alert("Password must be more than 5 characters");
 
            document.Registration.pwd.focus();
 
            return false;
 
        }
 
 
 
        if (document.Registration.cfmpwd.value == "") {
 
            alert("confirmpassword cannot be blank");
 
            document.Registration.cfmpwd.focus();
 
            return false;
 
        }
 
        if (document.Registration.cfmpwd.value.length < 5) {
 
            alert(" confirmpassword should be more than 5 characters");
 
            document.Registration.cfmpwd.focus();
 
            return false;
 
        }
 
 
 
        if ((document.Registration.pwd.value) != (document.Registration.cfmpw=
d.value)) {

 
            alert("Your password does not match");
 
            document.Registration.cfmpwd.value == "";
 
            document.Registration.cfmpwd.focus();
 
            return false;
 
        }
 
 
 
        if (document.Registration.country.value == "") {
 
            alert(" country cannot be blank");
 
            document.Registration.country.focus();
 
            return false;
 
        }
 
 
 
        if (document.Registration.mobile.value == "") {
 
            alert("Mobilenumber cannot be blank");
 
            document.Registration.mobile.focus();
 
            return false;
 
        }
 
 
 
        var d = new Date();
 
        var date = d.getDate();
 
        var month = d.getMonth() + 1;
 
        var year = d.getFullYear();
 
 
 
        var cdate = document.Registration.birthday.value;
 
        var cmonth = document.Registration.birthday_month.value;
 
        var cyear = document.Registration.birthday_year.value;
 
        if (document.Registration.birthday_month.value == "") {
 
            alert("Mobilenumber cannot be blank");
 
            document.Registration.birthday_month.focus();
 
            return false;
 
        }
 
 
 
        if (cmonth > month && cyear > year) {
 
            alert("Month is not valid month");
 
            document.Registration.birthday_month.focus();
 
            return false;
 
        }
 
        if (cyear > year) {
 
            alert("Year is not valid year");
 
            document.Registration.birthday_year.focus();
 
            return false;
 
        }
 
        if (cdate > date && cmonth > month && cyear > year) {
 
            alert(" Date is not valid date");
 
            document.Registration.birthday.focus();
 
            return false;
 
        }
 
    }
 
        return true;
 
    }
 
 
 
    function getCountryCode() {
 
        var xmlhttp;
 
        if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, S=
afari

 
            xmlhttp = new XMLHttpRequest();
 
        } else {// code for IE6, IE5
 
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
 
        }
 
        xmlhttp.onreadystatechange = function() {
 
            if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
 
                //alert(CountryCode);
 
                document.getElementById("CountryCode").value = xmlhttp.responseText=
;

 
            }
 
        }
 
        var country = document.getElementById("country").value;
 
        xmlhttp.open("GET", "getCountryCode.jsp?country=" + country, true);
 
        xmlhttp.send();
 
    }
 
</script>
 
 
 
<meta http-equiv="Content-Type" content="text/html; charset=ISO-885=

9-1">

 
<title>Registration Page</title>
 
 
 
</head>
 
<body bgcolor="#33CCFF" onload="document.Registration.fname.focus()">
 
 
 
<center>
 
 <font face="Times New Roman,Times" size="+3">
 
 Registration Page</font>
 
 </center>
 
            
 
   <div align="center">
 
      <form name="Registration" action="Process.jsp" method="POST"=

  >

 
                <input type="hidden" name="expid" value="%% EXPID %=

%" >

 
                <div></div>
 
              <center><table cellspacing="2" cellpadding="4" border=

="0" >

 
                  <tbody >
 
                   <tr>
 
                      <td class="normalfont"><font face="calibri" siz=

e="+1">FirstName</font> </td>

 
                      <td>
 
                        <input type="text" class="formInput" name="=

fname" onblur="return verify(this.value,1,0)" /></td>

 
                        
 
                    </tr>
 
                    <tr>
 
                      <td class="normalfont"><font face="calibri" siz=

e="+1">LastName:</font></td>

 
                      <td>
 
                        <input type="text" class="formInput" name="=

lname" onblur="return verify(this.value,1,0)" /></td>

 
                    </tr>
 
                    <tr>
 
                      <td ><font face="calibri" size="+1">Preferred U=

serId</font></td>

 
                      <td>
 
                        <input type="text" class="formInput" name="=

uid" /></td>

 
                    </tr>
 
                    <tr>
 
                      <td ><font face="calibri" size="+1">Password</f=

ont></td>

 
                      <td>
 
                        <input type="password" class="formInput" name=

="pwd" /></td>

 
                    </tr>
 
                    <tr>
 
                      <td class="normalfont"><font face="calibri" siz=

e="+1">Confirm Password</font></td>

 
                      <td>
 
                      <input type="password" class="formInput" name=

="cfmpwd" /></td>

 
                    </tr>
 
                   
 
                     <tr>
 
                      <td class="normalfont"><font face="calibri" siz=

e="+1">Country</font></td>

 
                      <td>
 
                      <select name="country" id="country" onchange==

"getCountryCode()" >

 
                       <option>- - Select Country - - </option>
 
                       <%
 
                       Connection conn =Connector.getCon();
 
                       PreparedStatement psmt = conn.prepareStatement(=

"select COUNTRY from ISDCODE where status='Active'");

 
                       ResultSet rs = psmt.executeQuery();
 
                       while(rs.next())
 
                       {
 
                       String country = rs.getString(1);
 
                       %>
 
                       <option value="<%=country%>"><%=country %>=

</option>

 
                      
 
                       <%}
 
                      =09
 
                       %>
 
                      </select>
 
                    </tr>
 
                    <tr>
 
                      <td class="normalfont"><font face="calibri" siz=

e="+1">Email</font></td>

 
                      <td>
 
                        <input type="text" class="formInput" name="=

email" onblur="return (ValidateForm());" /></td>

 
                    </tr>
 
                    <tr>


Here is my code.i m getting alert messages continously without inserting da=
ta in the field .this is bcz i kept blur on each field and calling validati=
on error method....can anyone suggest any other alternative...i need the fi=
eld by field validation i.e.,if firstname left empty i should generate an e=
rror at runtime on beside of that textbox.....like google+ reg page...can a=
nyone pls send the code for two fields n how to cal error message.........=
..............
I m new to java .please anyone resolve my issue...

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