passing parameters problem.
- Thread starter seductive
- Start date
medu
Member
you'll find a good explanation on the difference between post/get request using ajax here...
http://www.openjs.com/articles/ajax_xmlhttp_using_post.php
http://www.openjs.com/articles/ajax_xmlhttp_using_post.php
medu
Member
same way, progress webspeed api does not differentiate between POST/GET parameters and beside that using get-value not only check for input fields (form fields for POST, query string parameters for GET) but also for user fields or cookies... while user-fields are not very much used cookies might be something that you'll want to use at some point so be aware of that behavior of get-value function.
sir i have a sample code. i really dont get it.. im really confused.. huhuhu...
this is my main page..
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
<script language="javascript">
function passParam(){
var url = "secondpage.html";
http.open("POST", url, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");
http.onreadystatechange = function() {
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(null);
}
</script>
</head>
<body>
<form method="">
<input type="text" value="sample1" id="id1">
<input type="text" value="sample2" id="id2">
<input type="text" value="sample3" id="id3">
<input type="button" value="Go" onclick="passParam()">
</form>
</body>
</html>
this is my secondpage named secondpage.html.
i dont know how to get the value of my textbox 3.
<script language="speedscript">
GET-VALUE("id3")
</script>
what is wrong?? huhuhuhu..
(
this is my main page..
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
<script language="javascript">
function passParam(){
var url = "secondpage.html";
http.open("POST", url, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");
http.onreadystatechange = function() {
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(null);
}
</script>
</head>
<body>
<form method="">
<input type="text" value="sample1" id="id1">
<input type="text" value="sample2" id="id2">
<input type="text" value="sample3" id="id3">
<input type="button" value="Go" onclick="passParam()">
</form>
</body>
</html>
this is my secondpage named secondpage.html.
i dont know how to get the value of my textbox 3.
<script language="speedscript">
GET-VALUE("id3")
</script>
what is wrong?? huhuhuhu..
(
medu
Member
well, if you pass 'null' to send then you sure won't get any parameter on the other side
normally a form will send all it's input parameters when submitted but this is not your case as you don't use regular form submit but an ajax call... you need to pass through all form's input fields and build up the parameter list to be sent
try something like this...
normally a form will send all it's input parameters when submitted but this is not your case as you don't use regular form submit but an ajax call... you need to pass through all form's input fields and build up the parameter list to be sent
try something like this...
Code:
function passParam() {
var url = "secondpage.html";
var params='';
// build param list from all input fields from the same form as the submit button
for (i=0; i<this.form.elements.length; i++) {
var fld=this.form.elements[i];
params += fld.name + '=' + fld.value + '&';
}
params=params.substring(1, params.length-1);
http.open("POST", url, true);
http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");
http.onreadystatechange = function() {
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(params);
}medu
Member
no limit enforced by http specification, however most http servers allows one to set such a limit... for Apache for instance there is the 'LimitRequestBody' directive (default is 0, unlimited).
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