try with backgroundColor, also you don't need to use static methods
hp.getElement().getStyle().setBackgroundColor("red");
On Mon, Nov 28, 2011 at 12:44 AM, wahaha <il...@yahoo.com.cn> wrote:
> i write these code :
>
>
> -------------------------------------------------------------------------------------------------------------------------------------
> HorizontalPanel hp=new HorizontalPanel();
> Label lbl=new Label("aaaaa");
> hp.add(lbl);
> hp.setWidth("300px");
> hp.setHeight("300px");
> DOM.setStyleAttribute(hp.getElement(), "backgroun-color",
> "red");
> DOM.setStyleAttribute(hp.getElement(), "border", "1px solid
> red");
> RootPanel.get().add(hp);
>
> -------------------------------------------------------------------------------------------------------------------------------------
>
> then it wongs,the developement mod console said :
> java.lang.AssertionError: The style name 'background-color' should be
> in camelCase format
>
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