JSF :: Values Aren't Displaying From Database
Mar 18, 2014
I am using primeface in this project. I have a database with orders, order details and customers. The index page displays the order details and I click on one of the orders I want the customer details of that order to be displayed. But right now when I click on an order the dialog box that appears is empty. I'm not sure if the problem is with the jsf for the customer class.
here is the jsf page:
<p:dataTable value="#{orderDetailsBean.list}" var="anOrder"
paginator="true" rows="10"
paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
rowsPerPageTemplate="5,10,15">
[code].....
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Jun 20, 2014
Here is my code for an inventory program. No matter what I do, I can't get the text fields to display in the program.
The Inventory Program Class
import java.awt.GridLayout; // required to create a grid layout
import java.awt.BorderLayout; // required to create a border layout
import java.awt.event.ActionEvent; // required for click events
[Code].....
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Feb 13, 2014
I have created a jsp file which does the simple task of reading data from a mysql database and displaying the results on a web page. Please see below:
<%@ page import="java.io.*,java.util.*,java.sql.*"%>
<%@ page import="javax.servlet.http.*,javax.servlet.*" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql"%>
[Code] ....
However, each time I run the jsp file in the browser with my localhost as server, I get an HTTP Status 500 error.
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Feb 7, 2015
I have a problem where I have to create random integers from 1 to n + 1. When the array is displayed I have to find the missing integer from the values that are displayed and show that value. I have to use O(n^2) and O(n) operations. I have created this code so far but I cannot figure out how to make my values display n + 1. It is only displaying values 1, 2, 3, 4 and 5 in random order. I also cannot figure out how to find the missing value. I have created a boolean displayed statement but can't determine how to use it in this code.
=Java
import java.util.Random;
public class Task6
{
public static void main(String[] args)
{
int[] numbers = new int[7]; //create array of numbers
Random random = new Random();
boolean displayed = false; //boolean value to determine if number was displayed
[code]....
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Jan 4, 2015
I am trying out jsp and servlets now for the first time. I have to insert two data, car code and car name into a mysql table. I got those details using jsp but if I use form, it redirects to another page for insertion. I want the data to be inserted and still remain in same jsp page. I am thinking of using onClick from javascript but as I googled this many places have said it is a bad idea to use jsp inside javascript. If so how can we insert data to mysql table without redirecting to another page?
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Jun 9, 2014
How can I get id from db table for each column values with java or oracle query? I did get before each column content from file and now i need get the id of this column values from db. I read csv files from folder and then load the data from these files into subfolder, and here with line li = line.split(","); I get the values that i have in csv file and split them and become in li the value name, and then in else block i create a P objekt where i set this values from csv files, and with [I]p.setLid(li); I set the value for all valuenames, and then get these valuenames in separate column with other content from this csv.
My question is, i need to do this with db, and write these csv file values to the table in db (it will be done with another java class), what i need, that to write the ids of these values into the table in db, instead of valuename, and while there is no ids for valuenames in csv files, i need to get the id from the table in db where these are already listed with sequences, and i don't know how can i write in data table the id of this valuenames and other content, this data table should contain the ids of valuenames timestamp values and the ids of the csv files name, i don't know how to do this with the ids, i must get the ids from the db table and then set these on [I]p.setLid(li); where i set early the valuenames, instead of valuenames i should set ids, that will set ids automatically for all these valuenames.
Java Code:
try {
while ((line = br.readLine()) != null) {
if (lc == 0) {
li = line.split(",");
[Code] ....
with
Java Code : li = line.split(","); mh_sh_highlight_all('java');
I got the values that then will be given to [I]p.setLid(li); and iterate, but now i want to get id from the table in db where this values stored with id instead of this column values, how can i do it?
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Apr 24, 2014
I have a button in which I need to do the following:
After I click it It reads the values given in a jtextfield1 and in the other jtextfields I need it to settext in them from the database I mean if I have for example id=1 when I click the button it goes to the database and find the id 1 then write the infos in the other textfields
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May 30, 2014
I want to set the values coming from database with multiple field's Through AJAX and Custom XML. How to do ???
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Oct 15, 2014
How to pass the value of a field in a database from one view to another. I currently have a list of members drawn from a database.
The members view is a list of members. From the list the user clicks view button to view a particular member. This is achieved by using a inputHidden tag with the value of the list of members in a data table.
<h:dataTable value="#{controllerBean.listAllMembers()}" var="mem">
<h:form id="inputForm">
<h:inputHidden id="idToken" value="#{mem.id}" />
in the RequestScoped bean I am able to use FacesContext to extract the value of idToken from the requestParameters and create the view for the particular member.
One field in the member view I would like to toggle - "Y" to "N" or vice versa via a commandButton. The issue is I can find no way of passing this single value back to the bean as is.
<td>Active:</td>
<td><h:outputText value="#{controllerBean.member.active}" /></td>
<td>
<h:outputLabel value="To change toggle active button below" />
<h:inputHidden id="actToken" value="#{controllerBean.active}"/>
</td>
//further down the view
<h:commandButton style="float: right" value="Toggle Active" action="#{controllerBean.toggleActive()}"/>
The issue is the value is displayed within the output text - how to pass the value into the inputHidden value.
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Apr 9, 2014
I am reading value from database but my problem is am get sql statement values instead of values in database.
My code is ....
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Dec 4, 2014
The program contains username and password which on submission checks with the database if the details entered are right or wrong....on right details it Displays Welcome (name) and (lastname) parameters from database.
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Apr 30, 2014
Here's my code for a button that add values into an empty database.
The program skips system.out.println("1");
And the database is still empty. I can't figure out why
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String url = "jdbc:mysql://localhost:3306/xxxxxxxxxxxx";
String driver = "com.mysql.jdbc.Driver";
String user = "xxxxxxxxxxxx";
String pass = "xxxxxxxxx";
[Code] .....
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Aug 25, 2014
On jsp page i have created table with dynamically added rows now i want to insert the data from dynamic row field into database. How would I get the ids of those dynamically created rows to insert into database using hibernate.
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Feb 7, 2014
i have a problem, im trying to get some values from a jtable (tabla) and insert them in a mysql database, so i scan the table for some values to know which of the rows i must insert ("s" or "n").
I'm able to insert few rows, but when the last row with "s" or "n" is inserted it launch me a NullPointerException and I dont know why.
public void insertar(JTable tabla, int rowt, int colt) throws ParseException{
String documento=null, cve_clie=null, fechaE=null, fechaR=null, check=null;
char d=' ',dd=' ',m=' ',mm=' ',y1=' ',y2=' ',y3=' ',y4=' ';
String chck = null;
try{
conexion = connMysql.mysql();
String squery="insert into consefact3 values (?,?,?,?,?)";
PreparedStatement pst = conexion.prepareStatement(squery);
[Code]...
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May 12, 2014
As I am new in java, JSP and DATABASE...
<form action="Insert_Values_Servlet" method="post">
<label><strong>Title</strong></label>
<input type="text" name="Title" placeholder="max 50 characters"/><br>
<label><strong>Profession</strong></label>
<input type="text" name="Profession" placeholder="Ex.Manager"/> <br>
<input type="checkbox" value="LifeStyle" id="slideOne" name="check" />
<label for="slideOne">LifeStyle</label><br />
[Code]...
This is my insert.jsp page I want to insert multiple values into database Including multiple values of checkbox, other values are getting inserted but only problem at selecting multiple checkbox values in same column and radio button value in same column.
---------------------look for servlet page below----------------
Connection con = null;
ResultSet rs = null;
PreparedStatement pst = null;
int user = 0;
String User_Id1 = null;
String Other_Services = "";
String Title = request.getParameter("Title");
[Code]...
Is there any solution to insert this...By mistake in query I have followed with extra questionmark in following line This is correctline for inserting 5 values in database
String insertinfo = "INSERT into offer_data (Title,Profession, Other_Services ,Area, City) values(?,?,?,?,?)";
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Apr 5, 2014
I have written some error checking code
File name ErrorPage.jsp
<%@ page language="java" isErrorPage="true" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Error</title>
</head>
[code]...
I have put error.jsp and badpage.jsp file in public access folder that is web content in eclipsewhen I am running the code I am status code of 500 and not the errorpage.jsp message .
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Aug 29, 2014
I need a way to store the pixels values currently on the screen and compare them to the values on the first frame. Right now I'm using glreadpixels as follows:
currentBuffer= BufferTools.reserveByteData(mapSize);
glReadPixels(mapStartX, mapStartY, mapWidth, mapHeight, GL_BLUE, GL_UNSIGNED_BYTE, currentBuffer);
for (int i = 0; i < mapSize; i++) {
if (currentBuffer.get(i) != baseBuffer.get(i)) {
//Do nothing
continue;
}
//Do something
}
This works perfectly fine but turns out to be a real bottleneck, dropping the fps to a third of what it was. Is there any quicker way? All I'm after is speed, I don't even need to show it on the screen if the comparison is made "behind the scene".
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Feb 27, 2015
I have a question in mind that this is my registration form. I am sending these values from HTML form to server and database. I have question that in my case if I click next to Add Another Mobile no in HTML.then a block is genereated and each time a new name is generated.
My Question is if I click 6 times then 6 name attribute are generated. How can I send and differentiate them on my server side.
Because at their I will use something request.getAttribute("Attr_Name");
But they are same. How to do this?.
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Feb 5, 2014
I have a JScrollPane with two coulmns. In the first column I have an image pane JTable, and in the second a list with names of sections. This second column I try to divide in two columns, one (the second column) to display the names of the sections (each row contains one name), and in the other column (the third) I want to show some values for every section in the row respectively. But, instead of displaying the desired values in the third column, I get the same names of the sections as in the second column.
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Apr 5, 2015
I was wondering if its possible to show a video (mp4) inside a jframe? like the windows media player ....
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Jan 18, 2014
I am working on a program to have a user input two positive integers and then finding the greatest common denominator between the two. My problem is, I don't know how to display the number (num2) that is returned after the method. Putting a simple System.out.println gives me the error "unreachable code".
import java.util.Scanner;
public class ****
{
public static void main(String[] args)
[code]....
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Jun 19, 2014
My program task is if we give a character... the display will print CHARACTER AS CHARACTER Shape
IF WE GIVE LETTER L... IT WILL PRINT LIKE THIS...
L
L
L
L L L L
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Feb 10, 2015
I have a problem with one method for my assignment. This is the requirement for this method: "This method uses a loop to list all accounts contained in the Array, adding each account details to a String, before outputting to screen in the format specified in the screenshot below. Ensure that there are no out of bounds exceptions by checking if each array slot has an account object before adding its details to the output String. (arrayname[index] != null)"This is my code for this method:
public void listAllAccounts() {
String allAccountsString = "List of all accounts:
";
for(int i = 0; i < ACCOUNT_SPACES; i++) {
//allAccountsString += accountArray[numAccounts];
if (accountArray[i] !=null) {
allAccountsString += accountArray[i].toString() + "
" ;
}
}
JOptionPane.showMessageDialog(null, allAccountsString);
The problem is that the Message Dialog does not display the accounts I have already created. It just displays "List of all accounts:
";
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Mar 27, 2015
When i am trying to display the contents of this array its showing arrayindexoutofbounds exception...how do i display this array?
<%
String names[][] = new String[10][2];
for(int i=0;i>=10;i++){
for(int j=0;j<=i;j++){
names[i][j]="anu";
if(j>0){
[Code] .....
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Sep 20, 2014
I created a instance of a class AddItemView, inside StartUpMenuController. I then passed it into the class, the main method is below showing that as well. However when I do this:
else if(e.getSource()==menu.addBtn)
{
new addItem();
}
I get an error, little red line on the bottom of the text. I am testing the frame at the moment to make sure it is what I want before I move on to the Controller side of it. I just want to display it and go from there.
package mainMenu.Home.DataBase;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import addItemBtn.Home.DataBase.AddItemView;
public class StartUpMenuController
{
StartUpMenu menu;
AddItemView addItem;
[code]...
Not sure if this is the issue but the class I am making a new instance of is in a different package. I imported the package though.
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Aug 21, 2014
I am trying to display the files stored in server using jsp. I used the code below to display. But for pdf it is asking to download (No option for open). For XLS, XLSX, DOCX, PPT and PPTX it is showing zip file to download. For type doc it is showing junk data.
<%
String fileName=(String)request.getAttribute("fileName");
int loc = fileName.lastIndexOf(".");
String fileName1 = fileName.substring(0, loc);
String fileName2 = fileName.substring(loc + 1, fileName.length());
[Code] ...
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