Question

I am beginner..for trial i used following code..
my txt file i kept on location D:\test.txt

what parameters should i give in place of “?”

downloadButton.addClickHandler(new ClickHandler() {
    @Override
    public void onClick(ClickEvent event) 
{
        Window.open(?);    
 }
});

Thank you..

Answer 1

From window.open() you need to call a servlet like the following code..

Window.open(GWT.getModuleBaseURL()
                + "ntPdfDownload?myParam=" + String.valueOf(document.getId()), "", "");

Then in servlet you can get the value of myParam and download it.