How to change the data of webix data table on click of button or on select from select option.

I have a JSON and a webix datatable its work good.But I want to change the webix data table content when user click on the button or select from dropdown.I have external button outside the webix data table.

Here is my snippet.
http://webix.com/snippet/7342f374

I tried but when i click on button number of table is going to create.

Please help me
Thanks in advance

A common methods for data reloading is

dtable.clearAll();
dtable.parse(newdata) // or dtable.load("url/")

http://webix.com/snippet/bb0d2ea6

A single record can be also added via add method.