I can't load my SmartGWT Datasource -

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i'm modifying example of built-in-ds. way example works need select datasource, , table gets filled data there. idea show how same component can adapt multiple data sources. i've managed run example , works, i'm trying modify skip first step - there's 1 data source gets loaded "into" table. puzzles me should trivial reason it's not. i'll paste different parts of code, 1 works:

    // create list of datasources     listgrid grid = new listgrid();     grid.setleft(20);     grid.settop(75);     grid.setwidth(130);     grid.setleavescrollbargap(false);     grid.setshowsortarrow(sortarrow.none);     grid.setcansort(false);     grid.setfields(new listgridfield("dstitle", "select datasource"));     // i'm loading 1 need     grid.setdata(new listgridrecord[] { new dsrecord("predmeti", "predmeti")});     grid.setselectiontype(selectionstyle.single);     grid.addrecordclickhandler(new recordclickhandler() {         public void onrecordclick(recordclickevent event) {             dsrecord record = (dsrecord) event.getrecord();             bindcomponents(record.getdsname());         }     });      grid.draw();

and bindcomponents method:

private void bindcomponents(string dsname) {     datasource ds = datasource.get(dsname);     boundlist.setdatasource(ds);     boundviewer.setdatasource(ds);     boundform.setdatasource(ds);     boundlist.fetchdata();     newbtn.enable();     savebtn.disable(); }

and works should. now, since have 1 data source, can skip grid , make call bindcomponents:

bindcomponents();

and bindcomponents looks this:

private void bindcomponents() {     datasource ds = datasource.get("predmeti");     boundlist.setdatasource(ds);     boundviewer.setdatasource(ds);     boundform.setdatasource(ds);     boundlist.fetchdata();     newbtn.enable();     savebtn.disable(); }

i can't see why second doesn't work, breaks on boundlist.setdatasource(ds);. inspected in debug mode, object returned , looks "the same" in both cases reason doesn't work in second example, i'm guessing i'm instancing data source or, somehow, plain wrong :)

everything fine datasources, problem trivial , must have been tired - boundlist object @ time of call boundlist.setdatasource(ds); not yet instantiated. kept getting null pointer exception, thought there wrong datasource.


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