setValue()

sets the value for a Combo control

setValue(value: string | string[]): void;

Parameters:

value: string | string[] - the id(s) of items from data collection that should be selected in the control

Example

form.getItem("combo").setValue("id_1");

You should set the value as a string (either as "id_1" or ["id_1"]), if multiselection:false is set or the multiselection config is not defined, otherwise - set the value as an array of string values.