Extjs 4 downloading a file through ajax call

Question

The problem is very simple: i have to download a file when i submit a form, it\'s an ajax call when the form is submitted which lets me build a file with the data taken from

Answer 1

After extracting/reading many posts, I managed to get this simple method to work..

                Ext.create('Ext.form.Panel', {
                    renderTo: Ext.getBody(),
                    standardSubmit: true,
                    url: 'URL'
                }).submit({params: {'PARAM1': param1, 'PARAM2': param2}});