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    dynamically populate data in listgrid field

    Hi,
    I have a grid with 2 ListgridFilelds.

    For ex:
    ListGridField a= new ListGridField("a");
    a.setEditorType(suggestionBox);

    ListGridField b= new ListGridField("b");


    When ever the value in the a got changed, then I want to populate b with some value for ex:"test".
    if the user changes a the I want to display test in b.
    I tried with the following code

    a.addEditorExitHandler(new EditorExitHandler() {
    public void onEditorExit(EditorExitEvent event) {
    final String t= (String)event.getNewValue();

    b.setCellFormatter(new CellFormatter() {
    public String format(Object value, ListGridRecord record,
    int row, int column) {

    return "test";
    }
    }

    My problem here is when I save the record and open another record it still displays test in b filed even though it doesn't have data. Is there any way that I can solve this.

    Please help me in solving this.

    Thanks
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