jsp

Why I can't use <jsp:getProperty> without <jsp:useBean>?

白昼怎懂夜的黑 提交于 2021-02-05 07:25:29
问题 Say there is servlet that has code: protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { foo.Person p = new foo.Person("Evan"); req.setAttribute("person", p); RequestDispatcher view = req.getRequestDispatcher("/result.jsp"); view.forward(req, resp); } , that goes to result.jsp to print given name (Evan). Here is a picture of how it would look (source Head First Servlets and JSP): I know that <jsp:useBean> returns same Person object by

Delete a table row by an ID which is inside hidden field

余生颓废 提交于 2021-02-05 06:53:04
问题 I have a table which generates its rows in a while loop as follows in JSP, (I use a hidden field in each row to get the specific ID and POST it to the servlet) <tr> <td><center><% out.print(rs1.getString("teamid"));%></center><input name="tid" type="hidden" value="<%out.print(rs1.getString("teamid"));%>"/></td> <td><center><% out.print(rs1.getString("teamname"));%></center></td> <td><center><% out.print(rs1.getString("teaminitials"));%></center></td> <td><center><% out.print(rs1.getString(

Change background color using jQuery

江枫思渺然 提交于 2021-02-05 05:36:10
问题 I am trying to change the background color with jQuery. What am I doing wrong? I know this can be done with CSS a lot easier but I am trying to do it with jQuery. Link to jsfiddle. I am trying to change the background of "Hi" to yellow. window.onload=function(){ $('.myClass td').css({'background-color': 'yellow'}); } <table> <tr class="myClass"> <td>Hi</td> </tr> <tr> <td>Bye</td> </tr> </table> 回答1: Use document.ready for your JS. $(document).ready(function(){ $('.myClass td').css({

Change background color using jQuery

前提是你 提交于 2021-02-05 05:35:05
问题 I am trying to change the background color with jQuery. What am I doing wrong? I know this can be done with CSS a lot easier but I am trying to do it with jQuery. Link to jsfiddle. I am trying to change the background of "Hi" to yellow. window.onload=function(){ $('.myClass td').css({'background-color': 'yellow'}); } <table> <tr class="myClass"> <td>Hi</td> </tr> <tr> <td>Bye</td> </tr> </table> 回答1: Use document.ready for your JS. $(document).ready(function(){ $('.myClass td').css({

How to insert the dynamic added row values into the database using JDBC Servlets

夙愿已清 提交于 2021-02-04 21:40:37
问题 Here is my jsp code, am adding and deleting the rows dynamically using javascript,but while inserting the details into the database mysql,it will insert only 1 row..How to add the dynamically added row values into the database using servlets.. Here is my code <html> <head> <title> Timeline Sheet</title> <SCRIPT language="javascript"> $('form').change(function(){ $('form').submit(); }); function validLogin(){ if (document.form.eid.value == ""){ alert ( "Please enter Employee Id." ); document

One form, two buttons?

[亡魂溺海] 提交于 2021-02-04 19:48:11
问题 I have a form. I want it to have two buttons (buttonA, buttonB). Is there a better way to figure out which button was clicked than keeping a hidden input field, and setting its value via javascript in onClick() to a different string for each? This is what this article is demonstrating: http://www.java2s.com/Code/Java/JSP/JspformUsingButtons.htm But it seems a little weird, is there no better way than jumping through those hoops? Thanks 回答1: You can use the name and value attributes to

Highcharts error #13: www.highcharts.com/errors/13 how to solve this error

三世轮回 提交于 2021-02-04 19:47:10
问题 I am new to charts I have index.jsp page.In that page contains CSS ,JAVASCRIPT also.I want to display BAR CHART in that jsp page.. I am getting this type of error:: Uncaught Error: Highcharts error #13: www.highcharts.com/errors/13 Thanks in Advance index.jsp <%@ 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=

Highcharts error #13: www.highcharts.com/errors/13 how to solve this error

我们两清 提交于 2021-02-04 19:46:45
问题 I am new to charts I have index.jsp page.In that page contains CSS ,JAVASCRIPT also.I want to display BAR CHART in that jsp page.. I am getting this type of error:: Uncaught Error: Highcharts error #13: www.highcharts.com/errors/13 Thanks in Advance index.jsp <%@ 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=

Highcharts error #13: www.highcharts.com/errors/13 how to solve this error

佐手、 提交于 2021-02-04 19:46:07
问题 I am new to charts I have index.jsp page.In that page contains CSS ,JAVASCRIPT also.I want to display BAR CHART in that jsp page.. I am getting this type of error:: Uncaught Error: Highcharts error #13: www.highcharts.com/errors/13 Thanks in Advance index.jsp <%@ 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=

value from resource bundle as pattern in formatDate

随声附和 提交于 2021-02-04 19:00:31
问题 I want to read pattern for JST formatDate also from resource bundle but this naive approach does not working, what I'm doing wrong ? in com/company/MyPortlet.properties is this key: company.date.format = yyyy-MM-dd HH:mm:ss In page I have: <fmt:setBundle basename="com.company.MyPortlet"/> <fmt:formatDate value="${date}" pattern="${company.date.format}" /> 回答1: You need to give the bundle a variable name. <fmt:setBundle basename="com.company.MyPortlet" var="bundle" /> This way bundle is