Saturday, 30 January 2010

smartGWT MenuBar - this.menus is undefined error

When you are attempting to add a smartGWT MenuBar to your screen, usually at system startup. If you get an error like this: (TypeError): this.menus is undefined

then check that you have used setMenus in when you first instantiate the menu bar. For example:
            MenuBar menuBar = new MenuBar();


It is possible to use the add functions to add members and menus, but the underlying JavaScript needs a setMenu call to have the array that stores the menus initialised.

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