Table tools v1.9.1 csv/excel/pdf do not work after refresh the data in the datatable

vic

Export is working when I load the data to the datatable first time. However, they are not working anymore after I click another button to reload the data. I got error message when I click the "Save" button: Cannot set property 'width' of undefined -------------------- ZeroClipboard.js:156.

It looks like "var flash = this.div.childNodes[0];" is undefined for the three buttons after reload the data.