Servlets :: HTML To Servlet And Come Back To Same Page With Field Values
Apr 11, 2014
i have one html page ,inside html radio button and 3 textboxes and one submit button ->action->SampleServlet.java-> from here again come back to html page with checked radio buttton value and text box value. I dont want to click back button in this case, html page to servlet->here i have to call back to my html page with checked radio button and text box value .
I tried response.redirect(original.html)-->i cant able to display checked radio button and textbox value also tried requestdispatcher forward/include,html page comes newly from starting but i dont want it,i want to view in html page with checked radio button and text box value.
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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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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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Aug 12, 2014
I am trying to pass values from JSP Page to Servlets but I am getting a NullPointerException
Here is my JSP code
<html>
<head>
<title>Student Registration Form</title>
<style type="text/css">
h3{font-family: Calibri; font-size: 22pt; font-style: normal; font-weight: bold; color:SlateBlue;
text-align: center; text-decoration: underline }
table{font-family: Calibri; color:white; font-size: 11pt; font-style: normal;
[Code]...
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Sep 29, 2014
I want to send user back to the Login page after idle time of 10 secs. If user clicks again on screen before 10 secs are over, time will automatically reset to new 10 sec and so on...
I want to use the same timeout on multiple pages.
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Feb 27, 2014
<form name="form" method="Get" action="MetadataSelect" >
<input type="checkbox" dir="rtl" ID="CheckBox2" value="check" onclick="All(this,'all','_chk');">
<display:table name="requestScope.list" cellspacing="5" pagesize="20" style="simple"
decorator="checkboxDecorator" form="form" requestURI="MetadataSelect" export="true"
excludedParams="_chk">
<display:column property="checkbox" title="اختر" value="${id}" >
</display:column>
[Code]...
The problem is the the request did not give any value then the a variable all is null
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Oct 24, 2012
I created a jsf page inside my ADF project. Inside I have a button and a text field. If i press button my servlet is activated. It returns a jasper report in pdf format. Now I would like to display my text field value as a jasper report parameter. So this is a part I don't know how to do. How do I get a value of my text field inside servlet? After this I know how to pass it to report.
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May 19, 2014
code used to create watermark in text-field of any registration page?
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Aug 8, 2014
I'm trying to replace html code with variables from a servlet. Lines with a * won't replace.
String t = screen_configedit.replace( "value="eID"", "value=""+ eid + """);
t = t.replace("value="cID"", "value=""+ cid + """);
t = t.replace("<!-- <br><font color="red">ERROR! Please contact support!</font> -->", "<br><font color="red">ERROR! Please contact support!</font>");
t = t.replace("value="status"", "value=""+ status + """);
[Code] .....
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Jan 5, 2015
How to embed jsp into html page?
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Mar 31, 2015
i am trying to move from html to jsp in html it is simple code and in jsp there is database connection . but from html it is not going on the page of jsp. i put correct address in the form action attribute in html file.i am attaching both my files... following is my html code :-
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h3>ok its running fine</h3>
<form action="/ADMIN/add_material.jsp" method="post">
<div>
[code]....
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Jun 3, 2014
When we have a jsf form to store clients in a ddbb for example and the backing bean is in session scope.... Lets think of a user that requests 3 times the xhtml view with the form to store 3 clients.
1) If we dont reset the backing bean each time the form is processed, he would see the values he sent beforea and it doesnt have much sense, right?
2) Here there is an example of clearing form after submitting : [URL] ...... Clearing the form after submititng is a common practice for the reason of the statement 1, right?
3 ) What is the best or normal approach to reset values in a form? when the user requests it or done automatically by the application after processing a form?
4) Are there known issues about resetting or not resetting the values in a form bean?
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Jun 20, 2012
I got one task from my manager, regarding browser back button, refresh button. He asks me the web application has to work like Banks site... means if I refresh or click on Back button(Browser's) then it has to throw the user out of session, I checked lot in internet. But I found like only disabling back button of disabling F5 keys like that. But he’s not accepting that.
How to approach for this? Can we throw the user out of session when he clicks on browser back button or refresh button. I think its possible . But i don't know how to implement.
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Jul 23, 2012
I learning java an created the following servlet. The only problem is it printed to the browser as text instead of html..
It literally printed like this.
<html>
<HEAD><TITLE>Hellow World</TITLE></HEAD>
<body>
This STUFF IS WORKING!!!!!!!!!!!!!!!!!!
</body></html>
Why???
This is the servlet I created.
package sample;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet {
[Code] ....
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Mar 24, 2014
i have this code
////////////////////////////////////////////
<form name="myform" action="http://localhost:8080/EASYPAY.COM/faces/newxhtml.xhtml"method="post">
amount
<input type="text" name="amount"value="">
<input type="submit" >
</form>
[code]...
when i submit the html form the value of amount does not appear in the second jsf page new.xhtml what might be the problem
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Aug 28, 2014
I am creating a JSP page with a html table to display employee directory. This is scriptlet :
<%
List<Employee> list = new ArrayList<Employee>();
PhoneListController controller = new PhoneListController();
list = controller.getAllContacts();
for (Employee eachEmp : list) {
%>
and then i display the table rows and columns for each employee object(PS: I know scriptlets are bad and obsolete but this is my first individual project.)
I would like to change the background color of certain rows based on value of one particular value(based on eachEmp.getManagerCode).
How can i achieve that by using javascript? I tried to call a js function by calling onload event on . But as I need to check for each row that is not the possible solution. I have not tried jquery yet as I am very new to jquery and I didnt quite understand how to do it in jquery.
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Mar 19, 2014
i have a page where username is displayed...i want to uodate my table based on the page value i. e username..how can this be done
String sql;
sql = "UPDATE test SET username=? WHERE password=?";
PreparedStatement statement = conn.prepareStatement(sql);
statement.setString(1, "jumbomail@com");
statement.setString(2, "password");
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Dec 12, 2014
I have a PDF file and I have a text file that contains this data. It has the name of a PDF field along with a database table column name.
Text file: pdfFieldEmployee=Employee; pdfFieldStartDate=StartDate; pdfFieldSalary=Salary; pdfFieldExempt=Exempt
I also have this hash map that contains the database table column names along with their corresponding values:
Employee, Don Parker
StartDate, 5/6/2000
Salary, $55000
Exempt, N
How would I read through the text file and the hash map and at the same time do this:
if the pdf field is equal to pdfFieldEmployee, then set pdfFieldEmployee equal to Don Parker.
if the pdf field is equal to pdfFieldStartDate, then set pdfFieldStartDate equal to 5/6/2000.
and so on and so on. I would prefer to do this with a loop because I think it would take less code than writing a bunch of if statements.
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Apr 17, 2015
I have designed a login page for my project....which has username and password box....I have created a Table in Teradata which has username and password information....now i need to connect this html login page to Teradata database to validate the username and password.
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Jan 22, 2014
Problem code:
JSP 1:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@page import="java.sql.*;" %>
<%!Connection con;%>
<%!Statement stmt = null;%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "[URL]...">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
[Code]...
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Mar 25, 2014
I am trying to retrieve jtext fields and combo box values from another frame and to put them in database but .getText() doesn't return anything ...
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
try{
String sql = "select * from login where uid = ? and pass = ?";
pst = con.prepareStatement(sql);
pst.setString(1, jTextField1.getText());
pst.setString(2, jTextField2.getText());
rs = pst.executeQuery();
if(rs.next()){
[Code] .....
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May 4, 2010
Is there any kind of way to generate HTTP request within a servlet, dispatch it to the server and get back the answer delivered to the servlet? Or are the servlets meant only to respond to passed requests, not generate them?
(I asked a similar question here: [Code] ..... but no luck)
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Mar 28, 2014
In my servlet page I call one xml response from third party server and make write it in file using filewriter and store it in local,after that
response.setHeader("Refresh", "1; URL=test.jsp");
Using this code i goes to test.jsp page ,in that test.jsp file ,i place iframe tag like <iframe src="file:///D:/sample/result.xml" /> but it does not show the content what can i do?
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Apr 27, 2015
I get this error when I load a HTML page with WebEngine. The HTML is getting generated by an own (Java-)ServerSocket. How can I figure out where the problem is? I can load the HTML file successfully when loading the(same) generated HTML file from the local filesystem. Maybe the http headers causing these problems ? On the other hand I can load the page without problems in Firefox. How to get more information ?
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Feb 20, 2015
I want to call a servlet variable in jsp page textfields.Actually in servlet I fetch a jasper report properties in servlet variables and then this variable call from jsp page and after changing properties values this report saved.my servlet code is:
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
JasperReport jasperReport=null;
Connection con=null;
JasperDesign jasperDesign=null;
[code].....
so how to fetch servlet variable from jsp page textfields on load page and after edit that values then again save this values in jasper report on save button.
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Apr 16, 2014
I am generating textfields dynamically using JSTL forEach. Here is the code ..
<c:forEach var="underlyingTickers" items="${underlyingTickersList}" >
<tr>
<td ><input name="underlyingTickers" type="text" id = "underlyingTickers" value="<c:out value='${underlyingTickers}' />">
</td>
</tr>
</c:forEach>
If there are 4 values in underlyingTickersList A, B C, D and E ... I am getting those values correctly displayed in each text field.
However if I submit the form with all these value how can I get it in the bean? I guess I need to have dynamic id or name for each text field. How can generate it?
Note** I dont have Struts framework.. I am using request.getParameter to fetch the values and set into the bean variable.
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