I have a jsp page that gets input from the user in a series of forms. First I ask for the user's height, then their weight. I'd like to ask for each on a separate "page". But really I'm just submitting the same jsp file again, only using the values in the url to figure out which form contents I should be showing:
String height = request.getParameter("height");
String weight = request.getParameter("weight");
<form>
<%
if (height != null) {
%>
Weight: <input type="text" name="weight" />
<%
} else {
%>
Height: <input type="text" name="height" />
<%
}
%>
<input type="submit" />
</form>
So the first run would ask for their height, the second would ask for their weight (if it sees the "height" param is already present in the url). Is that possible? It seems like I lose the params as I progress through each step,
Thanks
Just add a hidden input field with the height stored in it so you don't lose the height value when asking for weight in the second step:
<input type="text" name="weight" />
<input type="hidden" name="height" value="<%= height %>" />
Related
UPDATE: per this response this is behavior of HTML5? I tried setting the parameters in hidden inputs and that works. Doesn't make much sense to me, but what do I know.
I have my form for a "next page" button set up like this:
<form id="next" method="get"
asp-controller="Search"
asp-action="Cities"
asp-route-sortOrder="#ViewData["CurrentSort"]"
asp-route-currentFilter="#ViewData["CurrentFilter"]"
asp-route-pageNumber="#(Model.PageIndex + 1)">
<input form="next" type="submit" class="page-btn" disabled="#nextDisabled" value="Next" />
</form>
When I inspect the page, the form has the correct action url (example):
/Search/Cities?currentFilter=Test&pageNumber=2
But the request actually being made is to
/Search/Cities?
But when it hits the controller, all of the parameters are null. Here is the top of my controller:
[Route("Search/Cities")]
public ActionResult Cities(string SearchString, string sortOrder, string currentFilter, int? pageNumber)
I'm not sure what I'm missing here.
you have 3 choices. This code was tested
first the most popular, you have to use post
<form id="next" method="post"
asp-controller="home"
asp-action="test"
asp-route-sortOrder="CurrentSort"
asp-route-currentFilter="CurrentFilter"
asp-route-pageNumber="1">
<label for="searchString">Search</label>
<input type="text" id="searchString" name="searchString"><br><br>
<input form="next" type="submit" class="page-btn" value="Next" />
</form>
in this case searchingString will be sent in a request body, all another params in a query string
second
<a href="/Home/Test?sortOrder=CurrentSort¤tFilter=CurrentFilter&pageNumber=2">
<button class="page-btn">Next</button>
</a>
the second option will generate get request if it is so important for you, but you will not be able post search string except using ajax.
third, you can use get, but route params should be in the inputs, probably hidden, search string will have a visible input
<form id="next" method="get"
asp-controller="home"
asp-action="test">
<input type="hidden" id="sortOrder" name="sortOrder" value="CurrentSort" />
<input type="hidden" id="currentFilter" name="currentFilter" value="CurrentFilter" />
<input type="hidden" id="pageNumber" name="pageNumber" value="23" />
<label for="searchString">Search</label>
<input type="text" id="searchString" name="searchString"><br><br>
<input form="next" type="submit" class="page-btn" value="Next" />
</form>
in this case nothing will be inside of the body, everything in a query string including searchString.
I'm trying to create a JQM survey with branching questions--i.e. in a survey with questions 1-3, if you choose a particular answer on question 1, a question is dynamically added between questions 1 and 2.
UPDATE: I made an attempt ( https://dl.dropbox.com/u/17841063/site2/index-c1.html#page2 ) that works by matching the value of a radio button to the name of a hidden div--if there's a match, it unhides the div. The problem right now is that if you change your answer back to an option that wouldn't trigger the conditional question, it doesn't re-hide. For example, clicking No or Unsure in question A1 causes question A2 to appear, but if you then click Yes in A1, A2 still remains...
<script type="text/javascript">
// Place in this array the ID of the element you want to hide
var hide=['A2','A4'];
function setOpt()
{
resetOpt(); // Call the resetOpt function. Hide some elements in the "hide" array.
for(var i=0,sel=document.getElementsByTagName('input');i<sel.length;i++)
{
sel[i].onchange=function()
{
if(this.parentNode.tagName.toLowerCase()!='div')
resetOpt(); // Hides the elements in "hide" array when the first select element is choosen
try
{
document.getElementById(this.value).style.display='';
}
catch(e){} ; // When the value of the element is not an element ID
}
}
}
window.addEventListener?window.addEventListener('load',setOpt,false):
window.attachEvent('onload',setOpt);
function resetOpt()
{
for(var i=0;i<hide.length;i++)
document.getElementById(hide[i]).style.display='none'; // Hide the elements in "hide" array
}
</script>
Here's are the radio buttons that use the script above:
<div data-role="fieldcontain">
<fieldset data-role="controlgroup" data-type="horizontal">
<legend>(Question A1) A prominent accident smokes on top of the blessed reactionary?</legend>
<input type="radio" name="aaa" id="aaa_0" value="notA2" />
<label for="aaa_0">Yes</label>
<input type="radio" name="aaa" id="aaa_1" value="A2" />
<label for="aaa_1">No</label>
<input type="radio" name="aaa" id="aaa_2" value="A2" />
<label for="aaa_2">Unsure</label>
</fieldset>
</div>
<div id="A2" data-role="fieldcontain">
<fieldset data-role="controlgroup" data-type="horizontal">
<legend>(Question A2) Does a married composite remainder the shallow whistle??</legend>
<input type="radio" name="bbb" id="bbb_0" value="" />
<label for="bbb_0">Yes</label>
<input type="radio" name="bbb" id="bbb_1" value="" />
<label for="bbb_1">No</label>
<input type="radio" name="bbb" id="bbb_2" value="" />
<label for="bbb_2">Unsure</label>
</fieldset>
</div>
If anyone has ideas about fixing this, or examples of other ways to do branching forms, I'd be very grateful!
Thanks,
Patrick
I played around a little bit with your example, removed all your plain JavaScript and added some jQuery Mobile style script, see working example here
<script>
$("input[type='radio']").bind( "change", function(event, ui) {
var mySelection = $('input[name=aaa]:checked').val();
//alert(mySelection);
if (mySelection == "A2") {
$('#A2').removeClass('ui-hidden-accessible');
} else {
$('#A2').addClass('ui-hidden-accessible');
};
});
</script>
the idea is to register an employee in one of the listed courses . each course has and id
retrieved from my DB and display a register button . if the course is full a waiting button shows with the id of the course.
now i want to get the clicked button id to insert it in the DB .
<form method="post" action="**to current page**">
<input type="submit" name="btnWait"" value="register" ID="003"/>
<input type="submit" name="btnWait"" value="register" ID="004"/>
<input type="submit" name="btnWait"" value="wait" ID="005"/>
<input type="submit" name="btnWait"" value="wait" ID="006"/>
I TRIED THIS , BUT DID NOT WORK
i know it is not right but :(
<%
If (Request.Form("btnRegister") = "register") Then
MsgBox(Request("id"))
ElseIf (Request.Form("btnWait") = "wait") Then
MsgBox("wait")
End If
%>
</form>
instead pf <input type="submit" name="btnWait"" value="register" ID="003"/> you can use:
<asp:button id="003" runat="server" text=register" />
and then in the code behind file:
Button clickedbutton = (Button)sender;
if(clickedbutton.ID.Equals(003))
{
//your piece of code
}
Hope it helps
Let say I have a simple form with no required fields:
<form action="index.jsp" method="post">
<input type="text" name="firstName" />
<input type="text" name="lastName" />
<input type="text" name="email" />
<input type="submit" value="submit" />
</form>
I want to check if the form was submitted by checking the submit parameter (because it's always present). In PHP I can do a simple
if ( $_POST['submit'] )
but the request.getParameter("submit") doesn't seem to work.
So what's the best way to check if a form was submitted?
You need to give the input element a name. It's the element's name which get sent as request parameter name.
<input type="submit" name="submit" value="submit" />
Then you can check it as follows:
if (request.getParameter("submit") != null) {
// ...
}
You perhaps also want to check if "POST".equalsIgnoreCase(request.getMethod()) is also true.
if ("POST".equalsIgnoreCase(request.getMethod()) && request.getParameter("submit") != null) {
// ...
}
Better, however, would be to use a servlet and do the job in doPost() method.
You can try this way:-
if ("POST".equalsIgnoreCase(request.getMethod())) {
// Form was submitted.
} else {
// It may be a GET request.
}
I have 1 main search form with a submit button and several secondary search forms with submit buttons.
What I would like to do is when I enter text and click on the submit button of the main search form, the same text gets copied in all of the secondary search forms and all the submit buttons of the secondary search forms get automatically hit.
The HTML code for the mains earch form is shown below:
<form action="query.php" method="get">
Search: <input type="text" name="item" size="30">
<input type="submit" value="send">
</form>
One of the several secondary search forms is shown below:
<FORM action="http://www.dpbolvw.net/interactive" method="GET" target="_blank">
<div style="float: left; padding: 0 3px 0 0;">
<INPUT type="text" name="src" size="9"
value="<?php
$input = $_GET['item'];
echo $input;?>" style="width: 110px; height: 22px;margin:0; padding: 0; font-size:140%;">
</div>
<div style="float: left; padding: 0 3px 0 0;">
<input type="image" name="submit" value="GO" src="http://images.guitarcenter.com/Content/GC/banner/go.gif"
alt="Search" style="font-size:140%">
/div>
<input type="hidden" name="aid" value="1234"/>
<input type="hidden" name="pid" value="1234"/>
<input type="hidden" name="url" value="http://www.guitarcenter.com/Search/Default.aspx"/>
</form>
Notice the php code that I put in the "value" field of the secondary search form:
<?php
$input = $_GET['item'];
echo $input;?>
This automatically copies the text that I entered in the main search form into the secondary search form. I thus figured out how to do that.
The problem is to "simulate" an "Enter" keystroke or a click on the "GO" button with the mouse on the secondary search form when the user hits the Enter key or hits the "SEND" button with the mouse on the main search form.
Thank you for your insight!
I'm not sure what the point of that would be, It looks like all of these are search forms all pointing to different sites. Web browsers won't allow that. They can navigate to one page at a time. When you post a form to a page you are navigating to that page. Therefore, you are trying to navigate to several pages at once. It's like trying to be in Paris and London at the same time. I don't see how your plan will work the way you're describing it.
That said, You can use client-side javascript to call
document.forms[0].submit();
so if you can come up with a plan that does not involve trying to have the user see all the different search results in one window, you could try this on your first form...
<form action="query.php" method="get" onSubmit="document.forms(1).Submit();">
You should use AJAX (JQuery) as Brandon Suggested. Read http://docs.jquery.com/Events/submit
Example:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script>
$(document).ready(function(){
$("#submit").click(function() {
//Do you stuff here like triggering other submits
//Like:
$("input#submit2").click();
$("input#submit3").click();
return false;
});
});
</script>
</head>
<body>
<form action="javascript:alert('success!');">
<div>
<input type="text" />
<input type="submit" id="submit" />
</div>
</form>
<form >
<div>
<input type="text" />
<input type="submit" id="submit2" />
</div>
</form>
<form >
<div>
<input type="text" />
<input type="submit" id="submit3" />
</div>
</form>
</body>
</html>
Take a look at the submit() event in jQuery. That is going to be your key.
I am assuming that you are planning on submitting via ajax? Otherwise it is futile.
So you could do something like this-
Give all of your forms a certain class, let's call it 'ajax_search_forms'. So now you can actually hook into the submit event.
$('.ajax_search_forms').submit(function(){
var search_string = $('input[name=src]').val();
$('.ajax_search_forms').each(function(){
$.ajax({
url : $(this).attr('action'),
data : 'search_string=' + search_string,
success : function(html){
// Do something with the result
}
});
});
// Return false is VERY important so that the form submission does not continue
return false;
});