PLEASE SOMEONE HELP ME, TELL MEWHAT IS WRONG WITH MY CODE

Question

i need alittle help i have this GUI that i created and i am trying to hook it up to a database in MS ACCESS and i am have so many problems trying to get my second table called billings to pull and show up in my GUI please take a look at my code and tell me what is wrong with it.
now on my GUI its supposed to allow you to choose a company in the list box and after choosing a company, this allows you to get all the company's information like address and state and zip code and another list box is populated called consultants and you can choose a consultant and gethis or her billing information , like their hours billed from that company and their total hours billed
please look at my code and tell me what is wrong, especially with the part about pulling information from the database.
import java.sql.*;
import java.awt.*;
import java.awt.event.*;
public class Project extends Frame implements ItemListener, ActionListener
     //Declare database variables
     Connection conconsultants;
     Statement cmdconsultants;
     ResultSet rsconsultants;
     boolean blnSuccessfulOpen = false;
     //Declare components
     Choice lstNames = new Choice();
     TextField txtConsultant_Lname = new TextField(10);
     TextField txtConsultant_Fname = new TextField(10);
     TextField txtTitle = new TextField(9);
     TextField txtHours_Billed = new TextField(14);
     Button btnAdd = new Button("Add");
     Button btnEdit = new Button("Save");
     Button btnCancel = new Button("Cancel");
     Button btnDelete = new Button("Delete");
     Label lblMessage = new Label(" ");
     public static void main(String args[])
          //Declare an instance of this application
          Project thisApp = new Project();
          thisApp.createInterface();
     public void createInterface()
          //Load the database and set up the frame
          loadDatabase();
          if (blnSuccessfulOpen)
               //Set up frame
               setTitle("Update Test Database");
               addWindowListener(new WindowAdapter()
                              public void windowClosing(WindowEvent event)
                              stop();
                              System.exit(0);
               setLayout(new BorderLayout());
               //Set up top panel
               Panel pnlTop = new Panel(new GridLayout(2, 2, 10, 10));
               pnlTop.add(new Label("Last Name"));
               lstNames.insert("Select a Name to Display", 0);
               lstNames.addItemListener(this);
               pnlTop.add(lstNames);
               pnlTop.add(new Label(" "));
               add(pnlTop, "North");
               //Set up center panel
               Panel pnlMiddle = new Panel(new GridLayout(5, 2, 10, 10));
               pnlMiddle.getInsets();
               pnlMiddle.add(new Label("Consultant_Lname"));
               pnlMiddle.add(txtConsultant_Lname);
               pnlMiddle.add(new Label("Consultant_Fname"));
               pnlMiddle.add(txtConsultant_Fname);
               pnlMiddle.add(new Label("Title"));
               pnlMiddle.add(txtTitle);
               pnlMiddle.add(new Label("Hours_Billed"));
               pnlMiddle.add(txtHours_Billed);
               setTextToNotEditable();
               Panel pnlLeftButtons = new Panel(new GridLayout(0, 2, 10, 10));
               Panel pnlRightButtons = new Panel(new GridLayout(0, 2, 10, 10));
               pnlLeftButtons.add(btnAdd);
               btnAdd.addActionListener(this);
               pnlLeftButtons.add(btnEdit);
               btnEdit.addActionListener(this);
               pnlRightButtons.add(btnDelete);
               btnDelete.addActionListener(this);
               pnlRightButtons.add(btnCancel);
               btnCancel.addActionListener(this);
               btnCancel.setEnabled(false);
               pnlMiddle.add(pnlLeftButtons);
               pnlMiddle.add(pnlRightButtons);
               add(pnlMiddle, "Center");
               //Set up bottom panel
               add(lblMessage, "South");
               lblMessage.setForeground(Color.red);
               //Display the frame
               setSize(400, 300);
               setVisible(true);
          else
               stop(); //Close any open connection
               System.exit(-1); //Exit with error status
     public Insets insets()
          //Set frame insets
          return new Insets(40, 15, 15, 15);
     public void loadDatabase()
          try
               //Load the Sun drivers
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          catch (ClassNotFoundException err)
               try
               //Load the Microsoft drivers
               Class.forName("com.ms.jdbc.odbc.JdbcOdbcDriver");
               catch (ClassNotFoundException error)
               System.err.println("Drivers did not load properly");
          try
               //Connect to the database
               conconsultants = DriverManager.getConnection("jdbc:odbc:Test");
               //Create a ResultSet
               cmdconsultants = conconsultants.createStatement();
               rsconsultants = cmdconsultants.executeQuery(
               "Select * from consultants; ");
               loadNames(rsconsultants);
               blnSuccessfulOpen = true;
          catch(SQLException error)
               System.err.println("Error: " + error.toString());
     public void loadNames(ResultSet rsconsultants)
          //Fill last name list box
          try
               while(rsconsultants.next())
               lstNames.add(rsconsultants.getString("Consultant_Lname"));
          catch (SQLException error)
               System.err.println("Error in Display Record." + "Error: " + error.toString());
     public void itemStateChanged(ItemEvent event)
          //Retrieve and display the selected record
          String strConsultant_Lname = lstNames.getSelectedItem();
          lblMessage.setText(""); //Delete instructions
          try
               rsconsultants = cmdconsultants.executeQuery(
"SELECT c.Consultant_ID"+
"c.Consultant_Lname"+
"c.Consultant_Fname"+
"c.Title"+
"l.Client_ID"+
"l.Client_Name"+
"l.Address"+
"l.City"+
"l.State"+
"l.Zip"+
"b.Hours_Billed"+
"b.Billing_Rate"+
"b.Client_ID"+
"b.Consultant_ID"+
"FROM Consultants c, Clients l, Billing b"+
"WHERE c.Consultant_ID = b.Consultant_ID"+
"l.Client_ID = b.Client_ID"+
"GROUP BY c.Consultant_ID");
//"SELECT * FROM Consultants INNER JOIN Billing ON Consultants.Consultant_ID = Billing.Consultant_ID");
//FROM Consultants INNER JOIN Billing ON Consultants.Consultant_ID = Billing.Consultant_ID;");
//"Select * from consultants where [Consultant_Lname] = '" + strConsultant_Lname + "';");
               txtConsultant_Lname.setText(strConsultant_Lname);
               displayRecord(rsconsultants);
               setTextToEditable();
          catch(SQLException error)
               lblMessage.setText("Error in result set. " + "Error: " + error.toString());
     public void displayRecord(ResultSet rsconsultants)
          //Display the current record
          try
               if(rsconsultants.next())
                    txtConsultant_Fname.setText(rsconsultants.getString("Consultant_Fname"));
                    txtTitle.setText(rsconsultants.getString("Title"));
                    txtHours_Billed.setText(rsconsultants.getString("Hours_Billed"));
                    lblMessage.setText("");
               else
                    lblMessage.setText("Record not found");
                    clearTextFields();
          catch (SQLException error)
               lblMessage.setText("Error: " + error.toString());
     public void actionPerformed(ActionEvent event)
          //Test the command buttons
          Object objSource = event.getSource();
          if(objSource == btnAdd && event.getActionCommand () == "Add")
               Add();
          else if (objSource == btnAdd)
               Save();
          else if(objSource == btnEdit)
               Edit();
          else if(objSource == btnDelete)
               Delete();
          else if(objSource == btnCancel)
               Cancel();
     public void setTextToNotEditable()
          //Lock the text fields
          txtConsultant_Lname.setEditable(false);
          txtConsultant_Fname.setEditable(false);
          txtTitle.setEditable(false);
          txtHours_Billed.setEditable(false);
     public void setTextToEditable()
          //Unlock the text fields
          txtConsultant_Lname.setEditable(true);
          txtConsultant_Fname.setEditable(true);
          txtTitle.setEditable(true);
          txtHours_Billed.setEditable(true);
     public void clearTextFields()
          //Clear the text fields
          txtConsultant_Lname.setText("");
          txtConsultant_Fname.setText("");
          txtTitle.setText("");
          txtHours_Billed.setText("");
     public void Add()
          //Add a new record
          lblMessage.setText(" ");     //Clear previous message
          setTextToEditable();                //Unlock the text fields
          clearTextFields();                //Clear text field contents
          txtConsultant_Lname.requestFocus ();
          //Set up the OK and Cancel buttons
          btnAdd.setLabel("OK");
          btnCancel.setEnabled(true);
          //Disable the Delete and Edit buttons
          btnDelete.setEnabled(false);
          btnEdit.setEnabled(false);
     public void Save()
                    //Save the new record
                    // Activated when the Add button has an "OK" label
                    if (txtConsultant_Lname.getText().length ()== 0 || txtTitle.getText().length() == 0)
                         lblMessage.setText("The Consultant's Last Name or Title is blank");
                    else
                         try
                              cmdconsultants.executeUpdate("Insert Into consultants "
                                        + "([Consultant_Lname], [Consultant_Fname], Title, [Hours_Billed]) "
                                        + "Values('"
                                        + txtConsultant_Lname.getText() + "', '"
                                        + txtConsultant_Fname.getText() + "', '"
                                        + txtTitle.getText() + "', '"
                                        + txtHours_Billed.getText() + "')");
                              //Add to name list
                              lstNames.add(txtConsultant_Lname.getText());
                              //Reset buttons
                              Cancel();
                         catch(SQLException error)
                              lblMessage.setText("Error: " + error.toString());
     public void Delete()
                    //Delete the current record
                    int intIndex = lstNames.getSelectedIndex();
                    String strConsultant_Lname = lstNames.getSelectedItem();
                    if(intIndex == 0)          //Make sure a record is selected
                                                  //Position 0 holds a text message
                         lblMessage.setText("Please select the record to be deleted");
                    else
                         //Delete the record from the database
                         try
                              cmdconsultants.executeUpdate(
                                   "Delete from consultants where [Consultant_Lname] = '" + strConsultant_Lname + "';");
                              clearTextFields();               //Delete from screen
                              lstNames.remove(intIndex);          //Delete from list
                              lblMessage.setText("Record deleted");     //Display message
                         catch(SQLException error)
                              lblMessage.setText("Error during Delete."
                                   + "Error: " + error.toString());
     public void Cancel()
                    //Enable the Delete and Edit buttons
                    btnDelete.setEnabled(true);
                    btnEdit.setEnabled(true);
                    //Disable the Cancel button
                    btnCancel.setEnabled(false);
                    //Change caption of button
                    btnAdd.setLabel("Add");
                    //Clear the text fields and status bar
                    clearTextFields();
                    lblMessage.setText("");
     public void Edit()
                    //Save the modified record
                    int intIndex = lstNames.getSelectedIndex();
                    if(intIndex == 0)          //Make sure a record is selected
                                                  //Position 0 holds a text message
                         lblMessage.setText("Please select the record to change");
                    else
                         String strConsultant_Lname = lstNames.getSelectedItem();
                         try
                              cmdconsultants.executeUpdate("Update consultants "
                                   + "Set [Consultant_Lname] = '" + txtConsultant_Lname.getText() + "', "
                                   + "[Consultant_Fname] = '" + txtConsultant_Fname.getText() + "', "
                                   + "Title = '" + txtTitle.getText() + "', "
                                   + "[Hours_Billed] = '" + txtHours_Billed.getText() + "' "
                                   + "Where [Consultant_Lname] = '" + strConsultant_Lname + "';");
                              if (!strConsultant_Lname.equals(txtConsultant_Lname.getText()))
                                   //Last name changed; change the list
                                   lstNames.remove(intIndex); //Remove the old entry
                                   lstNames.add(txtConsultant_Lname.getText()); //Add the new entry
                         catch(SQLException error)
                              lblMessage.setText("Error during Edit. " + "Error: " + error.toString());
     public void stop()
          //Terminate the connection
          try
               if (conconsultants != null)
               conconsultants.close();
          catch(SQLException error)
               lblMessage.setText("Unable to disconnect");

Answer 1

The diagnosis is simple. You damaged the phone and screen when you dropped the phone.