Questions tagged as 'netbeans'

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How to perform a function similar to Excel using a JTable in Java Netbeans?

I need a code that allows me to perform the following function in Java Netbeans. The box that is marked with red has four fields, Name, user, password and service. And with the same name of Edgar Perez there are registered several users...
asked by 12.10.2018 / 07:01
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how to use DateChosser in a query

Good to the whole community. I have a problem, I'm doing a program with Netbeans and I use the JDateChooser but when I make a query and delete it does not delete the record but it gives me an error. Code: tblinsumos.getSelec...
asked by 19.10.2018 / 06:47
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Nullpinter exception error when loading page jsf

I have a problem that I really do not know how to solve, what happens that I am working with jsf and primeface and it turns out that when executing my project, I get this error: Error fatal en el sistemajava.lang.Exception: This query can not...
asked by 24.10.2018 / 23:53
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Error in creating an EntityManagerFactory using Persistence.createEntityManagerFactory

Application in NetBens 8.2 MySQL Database BD connector: jdbc 8.0 HIbernet 4.3.x This is my persistence.xml class within the META-INF <?xml version="1.0" encoding="UTF-8"?> <persistence version="2.1" xmlns="http://xm...
asked by 16.10.2018 / 19:11
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PrinterMatrix does not print me a ticket

This is my code .. something that is wrong? public void imprimirFactura(String codigo){ String sql="SELECT cliente.'c_razonsocial' AS cliente_c_razonsocial, ...." conexion cc=new conexion(); Connection cn=cc.conexion(); ResultSe...
asked by 16.10.2018 / 19:32
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SAVE IMAGE ON A REMOTE SERVER WITH JAVA NETBEANS?

Good morning dear programmers. What I need is to save any size image on the server. I have a file.php on the server that saves the image (which works), what I want to know is how to send an image to receive that file.php by means of some http re...
asked by 28.09.2018 / 14:47
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Call Oracle data to a NetBeans Table [closed]

I would like help on this topic, because I really do not know how to do it. My question is, I have a form in my NetBeans and when I click on the button I should pull the data that I have in my Oracle and show them in the table I have there .....
asked by 29.09.2018 / 19:30
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Problem with MultipartFile from the Spring java framework

I am working to upload the images as avatars of the users, but it throws an error to me when trying to write the image and to keep it, I am working with MultiparFile of Spring, but I do not have much knowledge of it.    This is my RequestMapp...
asked by 27.09.2018 / 02:10
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Configure java EE project on glassfish server

I have a Java EE Webapp project, I am in the process of configuring it on a server with glassfish 5, JDK8.0_172 and plesk as the control panel. The project is divided into 3, EAR EJB and web. After executing them in Netbeans 8.2 IDE, I genera...
asked by 11.09.2018 / 16:42
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Jpanel form can not open a jframe form

Good to make the question less confusing I'll say that I have a jpanel form, two jframe form, jframe1 and jframe2. In the jframe1 I use this code for flames or insert (I do not know how to express it) the jpanel form with button: Panel pane...
asked by 07.09.2018 / 07:21