Databases
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POChange background color of JTable
 

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plurals
  1. POChange background color of JTable
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    <p>I have added a table, but the problem is, the panel doesnt show its background color. I have tried setting scrollpane background color, etc. But it doesn't work. The frame has a button 'Verify', which when clicked, displays a table beneath it. Until it is clicked, the portion where the table will appear is solid gray. I want the whole portion to be ivory background. Kindly help me diagnose the problem. </p> <pre><code>try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection conn1=DriverManager.getConnection("jdbc:odbc:vasantham","",""); Statement st1=conn1.createStatement(); ResultSet rs1=st1.executeQuery("select * from try where DATEDIFF('d',NOW(),exdate) &amp;lt; 61 order by tname"); ResultSetMetaData md1=rs1.getMetaData(); int cols1=md1.getColumnCount(); model1=new DefaultTableModel(); model1.addColumn("Purpose"); model1.addColumn("Name"); model1.addColumn("Composition"); model1.addColumn("Expiry"); model1.addColumn("Stock"); model1.addColumn("Cost"); model1.addColumn("Type"); model1.addColumn("Supplier"); model1.addColumn("Supplier Number"); model1.addColumn("Rack"); table1=new JTable(model1); Color ivory=new Color(255,255,208); table1.setOpaque(false); table1.setBackground(ivory); String[] tabledata1=new String[cols1]; int i=0; while(rs1.next()) { for(i=0;i&amp;lt;cols1;i++) { if(i==3) { Date intr1=(rs1.getDate(i+1)); tabledata1[i]=formatter1.format(intr1); } else tabledata1[i]=rs1.getObject(i+1).toString(); } model1.addRow(tabledata1); } JScrollPane scroll1 = new JScrollPane(table1); scroll1.setBackground(new Color(255,255,208)); scroll1.getViewport().setBackground(ivory); panel1.setLayout(new BorderLayout()); panel1.setBackground(ivory); table1.getTableHeader().setBackground(ivory); panel1.add(scroll1,BorderLayout.CENTER); frame1.add(panel1,BorderLayout.CENTER); conn1.close(); } </code></pre> <p><img src="https://i.stack.imgur.com/6vPPk.jpg" alt="Output"></p>
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    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USmKorbel
    1. USGomathi
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
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      1. PTAnswer
    2. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. COTotally unrelated ... avoid querying the database on the Event Dispatch Thread. See [Concurrency in Swing](http://docs.oracle.com/javase/tutorial/uiswing/concurrency/index.html) for more info
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      1. POChange background color of JTable
      1. USRobin
    2. CO@Robin This is a separate method 'addTable'. It must be called in actionPerformed. If not here, then where should I put it ,Sir?
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      1. POChange background color of JTable
      1. USGomathi
    3. COThe database query should happen on a worker thread to avoid blocking the EDT. For example the `SwingWorker` class can be used for that
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      1. POChange background color of JTable
      1. USRobin
 

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