java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by Rocky , an ibibo Master, at 5:32 PM on July 18, 2008

java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by .... ..... , an ibibo Master, at 8:57 PM on July 14, 2008

java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by Yash , an ibibo Master, at 12:23 AM on July 09, 2008

java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by Raksha , an ibibo Master, at 1:00 PM on July 04, 2008

Java code best suits for it and Java Script is generally used for this.

e.g.

<script>
<!- -
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Fo r more visit :

http://www.codeproject.co m/KB/ scripting/jsbeginner.aspx

Answered by Ashish Yadav , an ibibo Wizard, at 11:39 AM on July 04, 2008

java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by Gyan Singh , an ibibo Master, at 8:02 PM on June 27, 2008

well sandeep, java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

To know more about it and see the entire source code , Please visit the source site :

http://www.codeproject.co m/KB/ scripting/jsbeginner.aspx

Answered by Romi , an ibibo Master, at 11:29 AM on June 25, 2008

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by Sharad Singh , an ibibo Master, at 6:08 PM on June 23, 2008

java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by Madhurima , an ibibo Master, at 1:48 PM on June 23, 2008

well
java code best suits for it and Java Script is generally used for this.

A sample code is

<script>
<!--
function validate()
{
if(document.log in.us erName.value=="")
{
alert ("Please enter User Name")
return false
}
if(document.login.pa sswor d.value=="")
{
alert ("Please enter Password")
return false
}
}
//-->

</script >

<form name="login" onsubmit="return validate()">
<input type="text" size="20" name="userName">
<input type="text" size="20" name="password">
<input type="submit" name="submit" value="Submit">
</form>

Answered by jaivir , an ibibo Master, at 5:45 PM on June 20, 2008