Issue with appending data to JSF HTML - Data Table Component

Question

I am following the article from Oracle Magazine title Generating a JSF Data Table:
http://www.oracle.com/technology/oramag/oracle/06-jan/o16jsf.html After tweaking the code I was able to get the example working in Part 2 of this article...I was able to run a query and the results were brought back to my table...my question is, after you perform the query once, the results of the new query are appended to each column...and if you submit another query the new results are appended to the results from the previous 2 queries...what call do I need to make in order to "refresh" the table or reset the column values. I am new to the JSF table data component. Here is the code being used...the commandButton1_action() method is called each time a new query is submitted:
ppublic String commandButton1_action()
// Add event code here...
ResultSet rs;
try{
Class.forName("oracle.jdbc.driver.OracleDriver");
String url="jdbc:oracle:thin:@localhost:1521:OracleDB";
Connection connection = DriverManager.getConnection(url, "OE", "password");
Statement stmt=connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
rs=stmt.executeQuery((String)inputText1.getValue());
dataTable1.setBorder(5);
dataTable1.setCellpadding("1");
dataTable1.setVar("catalog");
HtmlOutputText headerComponent = new HtmlOutputText();
headerComponent.setValue("CatalogId");
column1.setHeader(headerComponent);
headerComponent = new HtmlOutputText();
headerComponent.setValue("Journal");
column2.setHeader(headerComponent);
headerComponent = new HtmlOutputText();
headerComponent.setValue("Publisher");
column3.setHeader(headerComponent);
headerComponent = new HtmlOutputText();
headerComponent.setValue("Edition");
column4.setHeader(headerComponent);
headerComponent = new HtmlOutputText();
headerComponent.setValue("Title");
column5.setHeader(headerComponent);
headerComponent = new HtmlOutputText();
headerComponent.setValue("Author");
column6.setHeader(headerComponent);
HtmlOutputText column1Text=new HtmlOutputText();
ValueBinding vb =
FacesContext.getCurrentInstance().getApplication().createValueBinding("#{catalog.catalogid}");
column1Text.setValueBinding("value", vb);
column1.getChildren().add(column1Text);
HtmlOutputText column2Text=new HtmlOutputText();
vb =
FacesContext.getCurrentInstance().getApplication().createValueBinding("#{catalog.journal}");
column2Text.setValueBinding("value", vb);
column2.getChildren().add(column2Text);
HtmlOutputText column3Text=new HtmlOutputText();
vb =
FacesContext.getCurrentInstance().getApplication().createValueBinding("#{catalog.publisher}");
column3Text.setValueBinding("value", vb);
column3.getChildren().add(column3Text);
HtmlOutputText column4Text=new HtmlOutputText();
vb =
FacesContext.getCurrentInstance().getApplication().createValueBinding("#{catalog.edition}");
column4Text.setValueBinding("value", vb);
column4.getChildren().add(column4Text);
HtmlOutputText column5Text=new HtmlOutputText();
vb =
FacesContext.getCurrentInstance().getApplication().createValueBinding("#{catalog.title}");
column5Text.setValueBinding("value", vb);
column5.getChildren().add(column5Text);
HtmlOutputText column6Text=new HtmlOutputText();
vb =
FacesContext.getCurrentInstance().getApplication().createValueBinding("#{catalog.author}");
column6Text.setValueBinding("value", vb);
column6.getChildren().add(column6Text);
ResultSetDataModel dataModel=new ResultSetDataModel();
dataModel.setWrappedData(rs);
dataTable1.setValue(dataModel);
catch(SQLException e){}
catch(ClassNotFoundException e){}
return null;
Thanks for any help!

Answer 1

anyone using the JSF HTML Data Table Component?