why are you setting the function on the doOnRender??? I used this as a suggestion I have researched. This works when I ran the sample in GWT-EXT demo for grid with checkbox column http://www.gwt-ext.com/demo/#checkboxSelectionGrid see below code
grid.doOnRender(new Function() { //added by alz 01-08-2010
public void execute() {
cbSelectionModel.selectAll();
System.out.println("\n -->>You enter here doOnRender" );
}
});
//grid.doLayout();
panel.add(grid);
panel.add(button);
RootPanel.get().add(panel);
}
//===============================================
The scenario is for every category there is a definite set of products to
choose from such
as (example only)
CategoryA -- productA1
productA2
productA3
productA4
...
CategoryB -- productB1
productB2
productB3
productB4
...
CategoryC -- productC1
productC2
productC3
productC4
...
CategoryD -- productD1
productD2
productD3
productD4
...
The categories are placed in a tree as nodes.
When a particular node is checked, the corresponding set of products is
loaded in a grid and as default checked all.
Then the user can change by manually clicking the checkboxes of every
product or the select all check box in the colum header.
So when the check event for the node is triggerred the grids' rows'
checkboxes should all be checked.
I hope this is clear.
-Lanz
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