javascript « Form « JSP-Servlet Q&A





1. javascript : having trouble passing form values to javascript and processing it to httprequest    stackoverflow.com

I have a java servlet (class) which populates form data.

  //encode string for special characters
  String encodedString = URLEncoder.encode(desc, "UTF-8");

  out_table.append("<form name=\"masinsert"+id+"\" method=\"GET\" action=\"MASInsert2\">\n");

    ...

2. How do I preserve the form value after refresh browser?    stackoverflow.com

I have one simple JSP having four buttons ( Button1 , Button2 , Button3 and Button4). The button value set into hidden field when I click on button. I need to ...

3. Asynchronous file upload (AJAX file upload) using jsp and javascript    stackoverflow.com

I am planning on having asynchronous file uploads. That is the file should be uploaded to a jsp or servlet and return something to the html/jsp page without reloading the original ...

4. Radiobutton validation    stackoverflow.com

The question is on the client side validation using java script. Significant parts of the program related to the question are given below..

...
<form name="results" action="" method="post">
...
<input type="radio" name="id" value="<%= id_edit %>" /> ...

5. handling forms and textbox for multiple button    stackoverflow.com

As you can see here that I have a text box with three submit buttons each redirecting to a different jsp page, however in those jsp pages, when I do request.getParameter("bid"), ...

6. Problem in form validation with JavaScript    stackoverflow.com

The editvalidate() function is not getting called at all: Please suggest why. What's the remedy?

<script type="text/javascript">

 function editvalidate() {
  var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
  var numericExpression = /^[0-9]+$/;


    ...

7. What is the best approach for handling a complex form in html?    stackoverflow.com

I need to implement a webform (JSP, struts) featuring loads of checkboxes and textfields. Basically I have a tree made of checkboxes which has to be extendable (like adding a new ...

8. How to detect the selected value of a dropdown    stackoverflow.com

When I select one item from 1st dropdown, an ajax event will fire up, invoke another function that will and load information to the second dropdown. I do not want this ...

9. filling a form with parameter already selected using ajax    stackoverflow.com

My goal untill now is to fill a form with values from a table (html table). it is a kind of refreshing the form. so the user who wants to modify the ...





10. servlet, jsp and user feedback from form    stackoverflow.com

I have been straggling as to how to implement the following scenario. Any guidance would be much appreciated. I have a form that the user fills in. Using jquery it is validated ...

11. JSP: drop down list 2 depends on drop down list 1    stackoverflow.com

I am having difficulties while dealing with two linked drop down lists which the drop down list 1 will fetch the values from the DB and based on the user's selection, ...

12. Setting java string variables value depending on html checkbox selected    stackoverflow.com

Hi I have two check boxes with table names when any check box is checked i wants to save that table name in to a java string which i can use ...

13. How to show text to textArea in *.jsp?    stackoverflow.com

I transfer a (*.txt)'s path by request.setAttribute("path", textpath); in servlet.java to a *.jsp. And the *.txt is in webserver address.How to show the content to textArea?Thank you.

14. How to pre-populate check box on jsp    stackoverflow.com

I want to pre populate check boxes on jsp. I have following code on my Mycheckbox.jsp Code

MyDTO [] dtoArr = Context.getParameter("PREFdtoSettings");
<%=dtoArr.length%> is 6;

dtoArr[i].getId(); gives me the unique ID;
In above code am setting ...

15. how to pass form values from javascript to jsp page    stackoverflow.com

This is my sample html page which contains inline javascript which calculates the geocode and tries to return the lattitude and longitude .But my question is how to submit all the ...

16. CheckBox Issue in IE6    stackoverflow.com

I am dynamically generating checkboxes for a popup window (displayed using AJAX) using javascript and on a button click I also need to call a function that checks all the check ...





17. getting checked values of a check box and send it to a servlet    stackoverflow.com

I have to display a list of users with checkbox in its front. I now want to select some of the names and delete it in database. I have written code ...

18. Target a div using form    stackoverflow.com

I have a jsp page havin a div which contains a form . On submit of the form tha action goes to spring controller and return a new page i have ...

19. Ext js Combo box help    stackoverflow.com

I am trying to define a combo box drop down using Ext Js which would display my "Holidays" saved in array. Please correct me where I could be wrong as the ...

20. Problem in javascript while submiting the form    stackoverflow.com

Hi I am getting null value as i am submiting the form using javascript and passing the parameter using querystring ,I am using request.getParameter("name"), to get the result ,and ...

21. IE7 and IE8 do not display bigger contents in dropdown box    stackoverflow.com

My JSP/JSTL page has a dropdown box, and the size of the dropdown box is 20. Some contents inside the dropdown box are bigger than dropdown box size (20). Firefox displays ...

22. Disabling a text field for a particular selection in dropdown box    stackoverflow.com

My application includes a textField and a dropdown box. When i select "All Campaigns" i should have my textfield disabled and it should remain enabled when i select "This Campaign".The code ...

23. Redirect form input from a servlet to another form    stackoverflow.com

I have a form created by a servlet which is supposed to fill out a text input field from a search. So the form is like this :

<form name="form1">
  <input ...

24. javascript validation for a string given in the textbox of a form    stackoverflow.com

i ve created a form having input textbox with button.once i enter the string "run" in the iputtext box of form (escepically) it should show the page cotaining three boxes.the thing ...

25. how to use a javascript confirm box in form, and can i use jsp in it?    stackoverflow.com

My JavaScript code doesn't work:

<script type="text/javascript">

    function verify() {
        var amount = document.getElementById("amount");
        var ...

26. Forward to a new page based on the selection from a drop-down list without using JavaScript    stackoverflow.com

I am trying to remove JavaScript from my JSP. Currently i am using something like this to forward to the page i need based on the selection in the drop-down list.

function ...

27. How to auto check all checkboxes with same name?    stackoverflow.com

I have used checkboxes for checking the mails in my mailing system which is developed in Java. I want to check all the checkboxes on the click of upper checkbox, but the ...

28. How to get java list and built a drop down list in jsp page    stackoverflow.com

I have a jsp page. if a user enters a certain text a ajax request is sent and and List is retrieved.Bow i want to built a drop down list from ...

29. Javascript validation for a method calling onLoad()    stackoverflow.com

I have a form with few text fields and drop downs. Iam calling a method onLoad,validating those text fields and dropdowns in that method. The user must select one of the options from ...

30. can i post some data to a jsp web form using javascript code?    stackoverflow.com

I have with me javascript code that is able to authenticate users with Windows Live Authentication. After logon, a simple message is displayed to the user. What I want is that the ...

31. Simple Form Processing API for Java    stackoverflow.com

I'm looking for a very simple form processing API for Java. Assuming the form input fields correspond to bean properties, and all beans have javax.Validation annotations, ideally the API would:

  • Display a ...

32. assign value to textarea from the previous page input using javascript    stackoverflow.com

I want to fetch the value from my previous page,and assign it to my textarea in the current page,using javascript. I wrote down the following code,but it doesn't work.

<script type="text/javascript">
var base="<%=text%>"; ...

33. How to check a checkbox onkeypress?    stackoverflow.com

I have the following code to check a checkbox as soon as the user types something in the textbox. This works fine for a single text box.

function activateCheckbox() {
   ...

34. Setting a text area as non editable in jsp based on a dropdown list    stackoverflow.com

I am writing a jsp code in which has a dropdown list and a text area. However the text area should only be editable on a particular value of the dropdown ...

35. javascript error with html textarea    stackoverflow.com

I just added a textarea to my page which is an "include" to another page...I have some script that does a counter in the textarea...heres the code for that:

function characterCounter(spanId, maxLen, ...

36. Is there Regex to prevent Javascript from being entered?    stackoverflow.com

I have a text area which I need to prevent from having javascript entered. If they enter text. And then say some javascript, The javascript runs. And the text ...

37. How to manipulate Get query?    stackoverflow.com

I have the following form from http://regain.sourceforge.net/:

<form name="search" action="search.jsp" method="get">
        <p class="searchinput">
          <b>Suchen ...

38. New Line in textarea problem    stackoverflow.com

Hello all I created a textarea and I can "enter" a new line in it all day but when I submit the box. Its all one continuous sentence. Any ...

39. Sign up form password field problem    stackoverflow.com

3 main problem here, (Code below has been cut short)
-Password field will auto reset each time you press submit
-Reset button won't work after pressing submit
-Form doesn't proceed after pressing submit and ...

40. Populating dropdown list in JSP using AJAX response    stackoverflow.com

Below is the code which I implemented to get dropdown list items by Ajax in JSP:

if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete") {
    var data = xmlHttp.responseText.split("~");
 ...

41. Problem getting form to execute from Javascript    stackoverflow.com

I have a form in a JSP as follows:

<form action = "<c:url value = '/displayVisualisation' />" 
               ...

42. not able to toggle the visibilty of div in jsp based on user dropdown selection    stackoverflow.com

In my jsp when i select one option in the dropdown it works fine with visibilty toggle but when i try it out for second time on it doesnot work my ...

43. how to change focus of a jsp's via javacript with a barcode reader?    stackoverflow.com

In a JSP I have two fields. When the page is loaded, the focus is set to the first field. When I input the value from a barcode reader, it ...

44. Is it possible to create a drop down of some sort in a textarea?    stackoverflow.com

It might not be possible but I think its worth a shot so I am asking. Servlet API is basically a ticketing process/script which searches through a form to find form fields ...

45. Drop down loading issue    stackoverflow.com

In javascript i have 2 drop downs. In my jsp on page load i have to load 2 two drop down values. For eg, if i have city and country drop down. ...

46. Jsp Flow For search and update Form    stackoverflow.com

I have 3 jsp . Lets call them search.jsp,showResult.jsp,updateResult.jsp.
In search.jsp i have 8 fields according to which i have to search the results from database. So when i submit the search.jsp ...

47. Building HTML Forms With Arrays    stackoverflow.com

I have a form with elements like:

<div class="row1">
   <select name="someSelectField" multiple="multiple" class="selectList">
      <option value="1">1</option>          
 ...

48. how do i pass form data from one jsp page to another?    stackoverflow.com

i need to transfer data from 1.jsp to 2.jsp there will be checkboxes and radio buttons and drop downs which i need to pass from 1.jsp to 2.jsp, then ill use that ...

49. problem in retriving multiple checkbox values    stackoverflow.com

I am unable to access the values of checkboxes i select. Here is my code which i tried.

<input type="checkbox" id="<%= "gname_" + in.intValue() %>" name="chkBox" onclick='chkboxSelect(localArrGroupNames[<%=in.intValue() %>],<%= "gname_" + in.intValue() %>)'>



JS code: ...

50. how can i link a list element with the select dropdown    stackoverflow.com

I have a list of elements:

<li>A</li>
<li>B</li>
and a dropdown:
<select>    
    <options value="A">A</options> 
    <options value="B">B</options>    
</select>
How can i link both ...

51. How can I save the entire form from the client by a servlet?    stackoverflow.com

I create a form with some inputs and other information on a client by JSP,then i want to send the form to the server while a servlet runs on the server. ...

52. JSP form validation for numbers, dates and values    stackoverflow.com

Hello i have a JSP page that contain a form, i want to validate the form data like date of birth format and value, breed id - zoo id that are ...

53. resetting form field value when the value is set using session attribute    stackoverflow.com

I have a search form with a myName textfield. On load, the field in the form is set using session attribute. Something like:

<% String  nameValue = (String)session.getAttribute("nameValue"); %>
And below code ...

54. Is it possible to select the items on a form that are sent in onSubmit?    stackoverflow.com

Of the different data entered in a form, is it possible to select the particular items I want to send onSubmit? Here I need only File, date and comments to be ...

55. Java/jsp use one javascript method to modify multiple forms differently    stackoverflow.com

I'm creating a wall that, should look and act like Facebook's wall. The problem I'm facing is, that I would like to make it able to comment on posts. But I ...

56. What is onload() function for forms or select?    stackoverflow.com

I'm trying to find a function in JavaScript that is called everytime when a <form> or <select> is created. Does anyone have a idea? I want something like:

<body onload="jsFunction();">
More exactly, I need ...

58. JSP values into HTML hidden fields ? or javascript ?    coderanch.com

Here's an example that illustrates using the value of a variable defined in a JSP page as the value of a hidden field of an HTML form and passing the value of a variable defined in a jsp page to a javascript function: <%String url = "http://www.javaranch.com"; String hidden = "hidden"; %>