Datatable - deactivate the edit mode

How do I switch to edit mode (Datatable) ?

Just add the following editable:true line to the configuration and specify the needed editor type for the column(s):

view:"datatable",
editable:true,
columns:[
   {id:"title", header:"Title", editor:"text"}
]

http://docs.webix.com/samples/15_datatable/04_editing/01_basic.html

Study the datatable documentation here: http://docs.webix.com/datatable__editing.html