Questions tagged [defaulttablemodel]

An implementation of the TableModel interface. Used (by default) by JTable to manage the data found in the table. Custom/alternative implementations of the TableModel interface may be provided.

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DefaultTableModel - Deleting row updates Vector, adding does not

So here's the thing. I have a JTable in my frame displaying some data that can be edited. New rows can be added, old rows can be removed. Now, if I start with a table populated with some data, it works fine. I'm able to delete rows, and that also…
Karan Goel
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How to add multiple items to the DefaultComboBoxModel

I have the following code but I don't know how to add all of the items to my combobox. DefaultTableModel rs = MyDB.DataTable("SELECT `Activity` FROM `transactions` WHERE `Group` = '" + Gname.getText()+ "' OR `Group` = 'ALL'"); DefaultComboBoxModel…
kelvzy
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JTable in Netbeans

I want to add db(MySql) data to a single specific column in jTable when there is three columns. From this below coding the data automatically add to the 1st column, but I want to add it to the 2nd column in Jtable. Please help me ..i'm new to…
ramindusn
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Display output in the next two columns of DefaultTableModel

sorry I am newbie to Java, I am trying to get values from Transaction table in my database which contains set_ID , Buying_Rate and Selling_Rate. I only want to show Buying_rate and Selling_rate from the Transaction table. I want to display…
mohamed nur
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Saving JTable edits to two dimensional Array

I have a JTable whose cells are editable. However if i edit a cell and refresh the table. The changes are not saved. This is how i have defined the table: String [] columnNames = {"Application number", "Name", …
Hoggie1790
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Java JTable not showing all rows from MySQL

I have a problem of JTable, that is when more then 1 rows are returned from MySQL table the JTable shows up only 1 record - (the last one), but when I try simple System.out.print it shows all records. Heres my code: System.out.println("MySQL…
Jaskaran S.P
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Change TableModel structure

so the scenario is that I've got a JTable with a number of JComboBox's as cells. On the selection of an element of a JComboBox, there needs to be a change in the structure of the Table Model. I've also got an 'output table' below which listens to…
TheRealJimShady
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java.lang.NullPointerException on DefaultTableModel getModel()

I have made a JTable with DefaultTableModel, I add data inside and everything, but when I try to retrieve it I get NullPointerException here: DefaultTableModel dm = (DefaultTableModel)finishedSaleTable.getModel(); private DefaultTableModel…
Nikola
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Existing posts keep on re-add upon deletion of selected row in jTable

I try to refresh the data of jTable upon deletion of selected row. Here are my codes to set up table : private JTable getJTableManageReplies() { jTableManageReplies.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); …
Newbies
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Combining two different jTables and adding button into jTable

I try to do for forum using java swing. Here are my codes for table : public void SetUpJTable() { DefaultTableModel tableModel = (DefaultTableModel) jTable.getModel(); String[] data = new String[4]; db.setUp("IT Innovation…
It newbie
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Removing multiple items from a Java JTable

So I have a default table model that is populated by an Object I created. One of the Objects is Name, with three other string properties of the object. I have a button that performs an action, now when this button performs this action I need to…
yams
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DefaultTableModel is saving to a file but how can I load the file to use it again?

I'm trying to save the contents of a JTable to a file and then open the file when needed to bring up the original JTable. I am using the DefaultTableModel to add rows and columns to the JTable so I decided to save my model to a file. Here is my…
Giga Tocka
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Why can't I use DefaultTableModel? Am I missing something Obvious? (Java)

Here is my code: import javax.swing.*; import java.awt.*; import java.awt.event.*; class Test{ static CardLayout cardLayout; static JPanel card = new JPanel(); public static void main(String[] args) { …
Giga Tocka
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JTable data only shown after scrolling

I wrote a method, that creates my DefaultTableModel and there I'm going to add my records. When I set the model to my JTable, the data rows are blank. After scrolling the data gets displayed correct. How can I avoid this and display the data from…
Christian 'fuzi' Orgler
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when i click the << button ; it gives ArrayIndexOutOfBounds exception

I want that on selecting content from jtable2 and clicking >> it pases onto jtable3 and on clicking << the selected row in Jtable3 gets deleted but when i click the << button ; it gives aaray out of index error; i want that in jtabel3 on clicking <<…