setValue

sets a new value for the component

void setValue(string|Date date, [any config] );

date	string\|Date	a Date object or a string representing a date
config	any	operation config

webix.ui({
    view:"calendar",
    id:"calendar1"
});
 
$$('calendar1').setValue(new Date(2012,3,30));

Details

The method is analogous to selectDate.

The second parameter can be of any type (from a string to an object). config will be passed to the onChange event as the last parameter.