Questions tagged as 'jsp'

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Filter data from a report in Jasperreports (Ireport) netbeans sql

I am doing a project for which I have several reports; I have already managed to visualize them all complete by means of a jsp ; however, I want to give the user the option to filter data. For example, in my sales report I want to filter my dat...
asked by 31.10.2018 / 04:43
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How to read csv file in servlet?

This is trying to read a csv file in a Servlet / java, the problem is when reading the file in particular and know your data. This is the form where I sent the file to the Servlet. <form id="form" method="post" class="upload-box" action...
asked by 30.10.2018 / 19:49
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Show a Report of JasperReport (Ireport) to a user in java netbeans jsp-servlet

0 vote against Favourite you will see I have a problem, I must from a button in a jsp, send a call to a report that I have made in jasperreport before and be displayed in a pdf window to the user. I have tried several ways but it does not wor...
asked by 30.10.2018 / 06:01
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How to send an array from a servlet to a jsp by means of a drop-down-list

You will see I have a problem, I am doing a program that through a page jsp that contains a textbox to enter a number that will be the total number of fibonacci series that the user will see. That is, if you enter 5, you will only see 5 numbers...
asked by 21.10.2018 / 23:49
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Print Graphics JasperReport

I had doubts about how I could print a GRAPH with JasperReport, I looked for the way but only show how to make them but not how to print them, I will leave here the way I print the REPORTS with JasperReport and thus create the idea of what I wan...
asked by 12.10.2018 / 20:16
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Help with a JSP!

I need to show a message I have from a (try) in a jsp. I already tried with <% = NombreVariableDeMenjeje% > But it's not working. My code is as follows: <% int PUERTO = 4000; try{ System.out.println("Iniciando Servidor...");...
asked by 14.10.2018 / 20:47
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Help because the error 400-Bad Request, The request could not be understood?

I have three checkboxes which are shown on my screen and I want them to be selected by default when they enter my screen if their field that fills it with base has the value of 1 <inpunt type="checkbox" id="checkName1" name="checkNa...
asked by 15.10.2018 / 03:50
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Set Option Selected JSP form

Modify data from form (Selected Option Brands) I am loading all the fields of the database and one is a combobox and what I want is for it to load the value it has and then deploy it to be able to modify this value that is in selected mode....
asked by 03.11.2018 / 03:06
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how to update the database from an .xlsx file with JSP and MySQL?

The problem is that I am working with JSP connected to MySQL . I want that on the page where my database table will appear an update option and when clicking on update, a navigation window will open and you will have to search where that file...
asked by 27.09.2018 / 22:25
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How can I generate a pdf with jasperReport from the controller?

I just start in this and I do not know how to implement a pdf, I'm using mvc spring, I already have a format made with iReport, now what I want is to visualize it in my jsp so I can download it, but how do I do it? Does anyone have a code tha...
asked by 28.09.2018 / 06:41