JSP :: Form That Has A Drop Down Option For A User To Select
May 28, 2014
I have a jsp form that has a drop down option for a user to select. I would like to know how to have a pre-selected option that has been retrieved from my database or provide a default option if none has been selected by the user. My form allows a user to update a record in my database and what I need to achieve is when a user is updating an existing record they do not have to touch the drop down box if the do not need to change that option.
Here is my current form below form method
="POST" action='UserController?action=edit&albumId=${album.albumId}' name="frmAddAlbum">
<label for="album id">Format : </label>
<select name="action" selected=<c:out value="${album.format}" /> >
<option value="listUser">CD</option>
<option value="listUser">Tape</option>
<option value="listUser">MP3</option>
<option value="listUser">VINYL</option>
</select>
[code]....
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Nov 19, 2014
This code works perfectly except for option C and E. Why it just returns me to the main menu?
public class BasicStatisticsCalculator {
static final int NUMBER_OF_ELEMENTS=6;
static int[] numbers=new int[NUMBER_OF_ELEMENTS];
[code]....
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May 22, 2014
My requirement is - I need to browse the folder and select multiples and upload all the selected files at once. note that here i need to use single browse button ONLY.
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Feb 28, 2014
I have a web application. I want to generate the UI part(basically html/jsp pages) to be generated dynamically using drag and drop of elements.So is there is any way that I can:
1: Have drag and drop of elements in jsps?
2: How I can create and store back the form attributes dynamically?
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Feb 6, 2014
Is it possible to "drag & drop" controls from a db to the form design in Netbeans? InVB this is possible. How about Java - Netbeans?
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Mar 19, 2014
I have the task which should set the default time zone in the select form. For this aim I use SimpleTimeZone class and write simple test to check my code. It is below
Java Code:
@Test
public void defaultTimeZone() {
String def = SimpleTimeZone.getDefault().getID();
boolean has = false;
for (String id : SimpleTimeZone.getAvailableIDs()) {
System.out.println(id);
[Code] ....
It works perfectly on win 7 and ubuntu, but falls on win xp. I know that win xp is not supported more but I still have some customers who use it.
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Apr 21, 2014
I'm trying to write a program where the user has the option to enter either an int or double but whatever input I enter just gets cast to a double. Do I even have the right Idea by using if else statements?
import java.util.*;
public class VS
{
public static void main(String[] args) {
Scanner Input = new Scanner(System.in);
System.out.println("Please enter a number");
if (Input.hasNextDouble()) {
[Code] ....
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Aug 11, 2014
This is what I have so far, but how do I ask the user for the number or rows and give the user the option to repeat the program?
public class Pyramid {
public static void main(String[] args) {
int myLevel;
int i, j , k;
myLevel = 6;
for (i = 1; i <= myLevel; i++) {
[Code] ....
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Feb 17, 2015
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
public class App {
public static void main(String[] args) throws IOException {
Scanner keyboard = new Scanner(System.in);
System.out.println("Please Select an option > ");
[Code] .....
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Jun 24, 2014
I am trying to have a user select from a printed out array list, instead of having the user type in the "bill type" each time there is a bill to avoid user error as much as possible. For example I would like to have it print out like this:
"Select bill type from list:
1. Rent
2. Car
3. etc..."
and I would like the user to choose a number and not type in the "bill type". I don't want to use "Switch case" because it would need to be an expanding and I don't think "switch case" can do that.
Here is the code:
package homebudget;
class Spending
{
//Do i need a totalAmount variable?
String type;
double amount;
int year, month, day;
public Spending()
[Code] ....
case 2:
//Give option to enter a new expense or pick from list.
//How to do this? If Statement that doesn't list duplicates, or a while search?
resp = JOptionPane.showInputDialog("Enter the type of expense:");
type = resp;
resp = JOptionPane.showInputDialog("Enter the amount of the expense:");
amount = Double.parseDouble(resp);
[Code] .....
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Mar 30, 2015
i am trying to write a program in which the user will select a text file(which contains information that the graphical output will be based). I have successfully set up my file chooser however when i select the text file,i do not get any graphical out put. please see attached .zip file for code.
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Jun 25, 2014
I have a database containing products which are separated in categories and subcategories.I want to create a user interface that will allow the customer to select any category or subcategory and load the products in the main application window.My problem is that i dont like tree do you know any alternative of tree that i can use ?
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Oct 6, 2014
I have an Array of objects that contains strings. I am new to Java and have read books, the Java docs, and searched the Internet for my problem to no avail. How can I get my strings to print in a list so that the user can select an object to manipulate its attributes? I have a class called Instruments and created 10 guitar objects. Here is the code:
Instrument [] guitar = new Instrument[10];
for (int i = 0; i < 10; i++) {
guitar[0] = new Instrument("Guitar 1");
guitar[1] = new Instrument("Guitar 2");
guitar[2] = new Instrument("Guitar 3");
guitar[3] = new Instrument("Guitar 4");
[Code] ....
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Mar 17, 2014
I am working on a java bean, on a stopwatch
private String displayFormat = "%02d:%02d:%02d";// produces 00:00:00 hour:min:seconds
public void timerHasChanged() {
currentTime = System.currentTimeMillis();
// How long has been taken so far?
long secsTaken = (currentTime - startTime) / 1000;
long minsTaken = secsTaken / 60;
secsTaken %= 60;
long hoursTaken = minsTaken/60;
minsTaken %= 60;
Formatter fmt = new Formatter();
fmt.format(displayFormat, hoursTaken, minsTaken, secsTaken);
timerJbl.setText(fmt.toString());
How would i code the get and set method for format, so in property tab a user can choose if they want the timer shown in seconds, or minutes or hours or seconds&minutes
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Jul 5, 2014
i want to need auto gerneraion user id for registration form using jsp & servlet with my sql database
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Oct 7, 2014
I am new to Java and have read books, the Java docs, and searched the Internet for my problem to no avail. I have an Array of objects that contains strings. How can I get the object's strings to print in a list so that the user can select that object to manipulate its attributes? For example, the user can select "Guitar 1" from a list and manipulate its attributes like tuning it, playing it, etc. I have a class called Instruments and created 10 guitar objects.Here is the code:
Instrument [] guitar = new Instrument[10];
for (int i = 0; i < 10; i++) {
guitar[0] = new Instrument("Guitar 1");
guitar[1] = new Instrument("Guitar 2");
guitar[2] = new Instrument("Guitar 3");
guitar[3] = new Instrument("Guitar 4");
guitar[4] = new Instrument("Guitar 5");
guitar[5] = new Instrument("Guitar 6");
[code]...
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Apr 30, 2015
I'm getting ready to code a program that takes record of items loaned and return in a table. I want more than one user to access the program to be able to update the data in the table. For instance, if one user added 5 new items to the table, all other users would be able open the program to see a modified table with 5 new items. Was looking for some advice and was wondering if implementing a database would work best.
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Jan 8, 2015
I want to understand how is it possible to send data (image + text) along a single form. Here is my code:
<form method="post" action="updateAccount"
encType="multipart/form-data">
<input type="file" name="file" value="Select image ..." /> <input
type="submit" value="Start Upload" /> <br>
<textarea rows="8" cols="54" name="about">Yes
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Jun 6, 2014
import java.util.Scanner;
public class Exercise1{
public static void main(String[] args) {
String employeeName, employeeNumber, position, department ;
double otpay, salary, deduction, hrs, rate ;
Scanner input = new Scanner (System.in);
[Code] ....
That's my codes but its wrong according to our prof. it should be in frame form. i don't know how to do it since i did not encountered framing since i was started in java.
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Jan 29, 2015
I have a form containing several fields, 2 of which persist to different table in a database than the rest of the fields on the form. I have no problem persisting the data into both tables of the database, and after the form is submitted I reset the form to its default values. That all works fine.
But in the same session, when I open another form (a search form) and enter search criteria, which then displays a datatable containing the search results, those 2 values that are persisted to another table are not showing up, but the rest of the data is.
Here is the method that calls the persist methods:
@ManagedBean(name = "foreignPartyController")
@SessionScoped
public class ForeignPartyController implements Serializable {
...
public void saveData() {
[Code].....
The values do show up, but the problem is, when a subsequent form is opened in the same session (e.g. a search form) the field for that value shows the actual value, instead of the field being blank.'
I am not sure why the data from the one database ("parent") is showing up, yet the data from the other database ("child") is not.
Is it something I am doing wrong? I thought by setting the setter in the child controller class back to a new instance of the Entity class (PolicyPayment) that it would reset the form to default values, but at the same time retain (or save) the inputted values in the same session.
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May 8, 2014
I have a button on UI which adds messages and when the user clicks on it the form gets submitted, meanwhile the user is clicking on refresh(F5) multiple times which is causing the same message to be displayed multiple times. To resolve this , I am converting the form from a synchronous submit to Asychronous but it is still not working. Below is the code:
Code before:
<td><input class="buttonred" type="submit" value="Confirm Add" name="submit_message"></td>
<s:form action="upd-message" method="POST" validate="true" onsubmit="validateMsg();return false;" enctype="multipart/form-data">
function validateMsg() {
var frm = document.forms["upd-message"];
frm.actionType.value=message;
[Code] .....
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Feb 28, 2014
How do i post php form contents to a jsf form?
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Apr 24, 2014
I am trying to create a JTable and I want to implement an undo option in it. Is it possible that I store the table model at some part of the operation and later when i press an undo button or something, I can set the saved table model so that it will perform like an undo.
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Mar 2, 2015
I want to add freeze option to my game I dont know how to do it without crushing him.
I need this option so people will wait until all players have accepted the next match.
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Nov 8, 2014
I am making an edit page and I want to populate my drop down menu with things that were already selected. For example, if i want i click to edit my favorite food it will be populated with the one the user previously selected. How do i go about doing this? [URL] ....
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Jul 25, 2014
Cannot switch on a value of type Object. Only convertible int values, strings or enum variables are permitted
I'm trying to hide and option using switch statement but this is the error i receive.
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == comboDest1)
{
switch(comboDest1.getSelectedItem())
[Code] .....
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