Client Side Data Validation Example

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February 6th, 2004, 12:36 PM

Rich

Contributing User

Join Date: Sep 2003

Location: Fort Lauderdale, FL

Posts: 153

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Client Side Data Validation Example

<HTML>
<BODY BGCOLOR=#C3C3C3>

<SCRIPT LANGUAGE=JAVASCRIPT>

function validate(form) {
//Data validation using object names to
// reference objects

if (form.USERID.value == "") {
alert("You must enter a User ID");
form.USERID.focus()
return false; }

if (form.PSW.value == "") {
alert("You must enter a Password");
form.PSW.focus()
return false; }

if (form.PSW.value != form.CPSW.value) {
alert("Password and Password Confirmation Did Not Match");
form.CPSW.focus()
return false; }
return true;
}

function validate2(form) {
//Data validation using elements[] to re
// ference objects

if (form.elements[0].value == "") {
alert("You must enter a User ID");
form.elements[0].focus()
return false; }

if (form.elements[1].value == "") {
alert("You must enter a Password");
form.elements[1].focus()
return false; }

if (form.elements[1].value != form.elements[2].value) {
alert("Password and Password Confirmation Did Not Match");
form.elements[1].focus()
return false; }
return true;
}
</SCRIPT>
<FORM onSubmit="return validate(this)" ACTION="http://www.truegeeks.com" METHOD=post>
<TABLE><TR>
<TD ALIGN=right><STRONG><FONT color=#000080>USER ID:</FONT></STRONG></TD>
<TD><INPUT TYPE=TEXTBOX NAME=USERID SIZE=25 MAXLENGTH=25></TD></TR>
<TR>
<TD ALIGN=right><FONT color=#000080><STRONG>PASSWORD:</STRONG></FONT></TD>
<TD><INPUT TYPE=password NAME=PSW SIZE=25 MAXLENGTH=25></TD></TR>
<TR>
<TD ALIGN=right><FONT color=#000080><STRONG>CONFIRM PASSWORD:</STRONG></FONT></TD>
<TD><INPUT TYPE=password NAME=CPSW SIZE=25 MAXLENGTH=25></TD></TR>
<TR><TD><TD><INPUT TYPE=submit VALUE="Submit 1"></TD></TR>
</TABLE></FORM>
</BODY></HTML>

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