Adding a button at run time

Question

I know that you can add components at run time (I've done it with a tree for instance) but how do you link a run time added component with an action handler?
For example, when you use the designer, you just double click on a button to get an action handler built that automatically gets called when the application is deployed and that button is clicked. Well, when you add a button at run time, you have no way of doing this.
Just how do you link a dynamic button to an action handler then?
Thanks

Answer 1

Hi,
I generate a table at runtime and also bind it to a dataprovider at runtime and display the records in a table. It works find and I have no problem with that.
I am trying to add a new column with the button in them, i generate the buttons at runtime. Even this works fine. Along with the data in the table i have the last column with all buttons.
I am having problem binding the method to the button at runtime. My code is something like this...
     for (int i = 0; i <= numOfCols ; i++) {
          //add the delete button as the first column
          if( i == 0 ){
          TableColumn column = new TableColumn();
          column.setHeaderText("Delete");
          Button st = new Button();
          st.setText("Del");
          st.setId("del");
          MethodBinding mb = (MethodBinding) context.getApplication().createMethodBinding("#{Page.delete_action}", null);
          st.setAction(mb);
          column.getChildren().add(st);
          getTableRowGroup1().getChildren().add(column);
          } else{
          TableColumn column = new TableColumn();
          column.setHeaderText(rsm.getColumnLabel(i));
          log("rsm.getColumnLabel("+i+"): "+rsm.getColumnLabel(i));
          column.setNoWrap(true);
          column.setSort(rsm.getColumnName(i));
          ValueBinding vb = app.createValueBinding("#{currentRow.value['" + rsm.getColumnName(i) + "']}");
          StaticText st = new StaticText();
          st.setValueBinding("text", vb);
          column.getChildren().add(st);
          getTableRowGroup1().getChildren().add(column);
public String delete_action() {
log("Inside delete_action().");
return null;
The method delete_action() is not called at all.
It would be appreciated if someone could help me with this problem of mine.
Thanks,
Adi.