Servlets :: Retrieve Complete Rows Of Table Using JSP
May 8, 2014
I have one table in mysql in that some rows are there i want to retrieve all rows using servlet and jsp concept and i have done half of the way but not getting output it is showing some info and nothing getting printed on page except columns heading and here is my bean class..
public class TimeDetailBean {
private Time intime;
private Time outtime;
private Date date;
private String eid;
public Time getInTime() {
return intime;
[Code] .....
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Apr 1, 2015
I want to retrieve the data from this table given below and insert that data in the database in the next servlet
package com.sk;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
[Code] .....
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Mar 6, 2015
I have to create a webpage such that there is an 'import' and 'save' button.
When the user clicks import button, it will retrieve inventories under PRODUCTS table which contains product title, SRP and Sold by (input field) under his account. Average possible returned rows will be around 1k-5k. If the 'Sold By' has value, it will show as read only. But if not, it will be editable.
Then the user has a list of product IDS printed on a paper that was sold by his employees and he has to scan each product id and put the name of his employee under Sold By and the price sold. This is a manual procedure..
Then after he finishes encoding, he has to click save button to save changes in the db.
what is the best way to implement this? Is it efficient to use js functions such as datatables?
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Mar 12, 2014
I am making rows and columns in the form of a multiplication table, listed below is my code:
package assignments;
public class MultTable {
public static void main (String [] args) {
int row, column, x, y;
for(row = 0; row < 8; row++)
[Code] .....
If you see my sample run you can see that I have the multiplication table down but, I haven't completed it. I have to make the bottom left half of the whole table blank somehow. For example, I have to make it halfway through the middle of the table the bottom left half full of white space...
5 6 7 8 9
12 14 16 18
21 24 27
32 36
90
hm, it's supposed to be the other way around horizontally.
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Jan 14, 2015
I have a lot of records in excel around 2000 rows and it can be more so what I am looking for is that I need to show this records in the web for front end user. I want to feel the user that it is the same as excel but web based so he can filter rows , highlight rows or columns and export whatever filtered by him . I have one sample photo for that program ( called IPCS ) , I am using it now but I need to make same like that in JSP or anything using java I can do it.
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Jan 19, 2015
So far so good, I need to count the number of rows in a table. What I wrote:
<sql:query dataSource="${statistics}" var="result4">
SELECT COUNT(id) AS count FROM statistics;
</sql:query>
<c:forEach var="row" items="${result4.rows}">
Total players: ${result4.count}
</c:forEach>
But, it doesn't work.
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Oct 30, 2014
I have a little problem in my Java FX application. in a tableview, I add records whatever... And i have a button that delete the selected record in the tableview, This button delete too the related record in a database.
When I select a row in this table , I store the ID of that record in a global variable to have it available . Thus, when I click on the delete button, delete the record from the database based on the ID that I stored in the global variable.
The problem is that tableview has a curious property. If I select the last row and I click on the delete button ( removing the last record of the tableview ) , the next higher row is automatically selected ; and causes the ID value stored change .
The row is deleted in the tableview is correct but apparently , when it comes to the method deletes the record from the database, the global variable ID is already updated and delete another record.
I would like to disable that property of the table so that the row can be selected only by the mouse ... or some other solution .
...
@Override
public void initialize(URL url, ResourceBundle rb){
table.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
table.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Object>(){
[Code] .....
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Feb 3, 2014
Can I store multiple rows of a table in a two dimensional string array in java.. The table has 3 columns and approximately 10,000 rows.. Some pointers for coding to achieve this...
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Jun 6, 2014
I have an application that displays a GUI and this GUI displays a table with several columns and rows. I have a class that extends DefaultTableModel. I wrote the code that displays the GUI. When the database table changes, how would I updated the GUI dynamically? Do you have any sample code that does that?
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Jan 20, 2014
<html>
<body>
<form action="login">
Male:<input type ="radio" name ="sex" value="Male"> <br>
Female:<input type = "radio" name="sex" value="Female"> <br>
<input type="submit" value="Enter">
[Code] ....
when the see the result i just get a strange value as "ON" but I am not getting the required value ,I mean Male or Female.
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Mar 5, 2015
I am having an issue with retrieving "grouped" data from HTML form to servlet. I will describe the scenario below.
In companies, they record the salary of the employees once a month.When they record it, they do not do it by visiting each an every employees personal "profile" (or whatever according to the system). Instead what they do is apply the salaries of all of them in one page.
To do the above thing they prefer excel like tabular sheets. Now, I have a html form, where the form content is a table. One row is dedicated to a one employee.
Below is my form.
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
[Code] .....
As you can see, I have wrapped every row with a `<tbody>`. The `value` attribute of the `<tbody>` will contain the employee id. Once the form is submitted, the below servlet will capture it.
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
[Code] .....
What I was trying is get the `value` attribute of `<tbody>` (so I can identify the id of the employee) and get the data inside that `<tbody>`. However this didn't work, because I ended up with `NullpointerException` because it failed to read the `<tbody>` value.
So, how can I pass the data from table to servlet where it can clearly understand that one row is representing data belong to a one employee? If this is not the way to do it, I am also open for other methods.
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Mar 20, 2015
I am trying to display rows from my database from servlet by passing it to a JSP, but nothing is displayed. I checked the syntax and even the source of the page shows that it gets the data but the rows are not displayed!
My servlet (serv.jsp)
package Pack1;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
[Code]....
My JSP (SP.jsp)
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Search Page</title>
</head>
<body>
<h1>TITLE</h1>
[Code]....
My servlet file is in the Pack1 package under Source Packages and jsp file is under Web Pages.
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May 3, 2014
In my project I need to add some schedule information into a schedule table in the database..
I am accepting input from a user which direct the parameters here..
I am doing all the required stuff but yet code is not working
There must be some error in date object.
I am using mysql as backend, I have used same kind of code in jsp that is working fine but this is creating error
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.logging.Level;
import java.util.logging.Logger;
[code].....
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Mar 7, 2015
I am trying to output data but get empty table. What am I doing wrong? Here is my code:
Class Item:
package com.store.util;
public class Item {
private Long id;
private String name;
private String description;
private String category;
private Double price;
[Code]...
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Mar 28, 2014
What i have done till now is i make a table in html explicitly (by assigning fixed rows and columns) . Now what i want is to show a table of whose number of rows and columns are generated dynamically according to the table in the database.
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Sep 4, 2014
Is it possible to get the list/ values in html/jsp from servlet?
I have a table inside an html/jsp page and when the user clicks a button I need to refresh the whole page with some additional text message.
Currently what I am doing is that I am using a java bean for the jsp page that contains a list of values inside the table then store it in session but I think there is a better way without storing it in session.
I tried using request.getParameter() but it only returns string.
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Nov 17, 2014
I have a HTML table whose rows are getting generated through javascript function. I want to save this data in the table rows.
**HTML Code**
<div style="width:100%;height:100%;border:1px solid black; overflow-x:scroll; overflow-y:scroll; padding:0">
<table border=0>
<tr>
<td>
<input type="button" name="add_details" id="add_details" value="Add" onclick="AddDetails()">
<input type="button" name="delete_details" id="delete_details" value="Delete" onclick="DeleteDetails()">
[Code] .....
When i press submit button in my form of JSP, how can i access table data?
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Nov 5, 2014
I m new to programming and am working on the college project. I have MySQL 5.6.20, Eclipse Kepler and Apache Tomcat 7.0.54. I m trying to retrieve the whole table from MySQL schema into a jsp. All the possible things i can do, i have already tried, but none of them are working.
The following attachment contains the whole project. I have my sql connection code in Sample.java file, which i want to get working in Fetch.jsp on the Submit button click. But it shows the tomcat error as localhost:8080/Sample HTTP Status 404-/Sample ; type Status report; message /Sample; Description The requested resource is not available.
<%@ page language="java" 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">
[Code] ....
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May 8, 2014
I have a basic html form with one user input text box labeled "Enter a number" and a submit button labeled "Create a multiplication table". This is the working with a servlet to display an html formatted multiplication table. Everything else is working fine just the formatting is off; I can't seem to get the top row and far left column to number properly. It should look like this with the top row of numbers beginning with a blank cell and then numbering 1 thru n (depending on what the user selects. The first column should be the same, a blank cell and then 1 thru n. Then the multiplication table should be in the rows/columns of the table. Picture this:
I can't get mine to start with a blank cell in the top left-hand corner, instead it has 1 in that cell and the table starts calculating with 2x2.
Servlet code:
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
[Code] ....
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Nov 21, 2014
import java.util.*;
public class TestArithmetic {
public static void main(String [] args) {
Scanner console = new Scanner (System.in);
System.out.println("Enter First Number");
int x1 = console.nextInt();
System.out.println("Enter Second Number");
[code]...
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Mar 3, 2015
I can't figure out how to complete the for loop for the forward method that needs to calculate each pixel on the path setting it to white, starting at location (x,y) and ending at r.
public class Turtle
{
private static BufferedImage img;
private static int black = 0;
private static int blue = 255; // 2^8-1
private static int green = 65280; //(2^8-1)*2^8
private static int red = 16711680; //(2^8-1)*2^16
private static int white = 16777215; // 2^24-1
private double x,y,theta; // what does a Turtle know?
static // a static initializer list
[code]....
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Aug 7, 2014
I compiled the applet, then put the applet in an HTML file using notepad and saved the html file in the right place for it to run correctly. The HTML file runs smoothly, but then it only shows the scrollbar part of my applet, and not the images or any text...
Why is This?????
Java Code:
import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;
import javax.swing.ImageIcon;
public class Temperature_Convert extends Applet
implements AdjustmentListener {
private Image temp;
private Scrollbar bar;
private int old, newtemp = 0;
[code]....
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Aug 15, 2014
Can you tell me or give a complete resource of file I/O, serialization!
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Oct 19, 2014
So for the last few weeks I have been working on a Java project for school. I see the light at the end of the tunnel, but I have run into some speed bumps with my main class. It was working fine, but I was pulling an all night and I deleted some of my code by mistake.Now I am not seeing what is exactly wrong. Anyways, the project was to create an address book complete with a menu system.
Here are all of my classes:
import java.util.ArrayList;
/**
* A model of an address book which keeps track of contacts.
* An address book object should keep track of the concept of a current contact (think index).
* You must use an ArrayList for your implementation.
*/
public class AddressBook {
Contact contact = new Contact();
[code]....
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Oct 16, 2014
java api that convert speech to text but complete english not predifined words only.
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Mar 23, 2015
How to define Cell in the table by table event?
I need to process one component drag to the table. I misunderstand, how I can see to which Cell fall the component. I tried to use Event and Mouse event handlers in my custom Cell, but they do not work. I can copy the drag event to the table and table handles it, but how to get needed Cell I cant understand.
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