Hello Cuong,

I assume you want to change the editor at runtime, based on some condition, right? To change the editor at runtime you need to change the columnSettings option like this:

$("#grid1").igGridUpdating("option", "columnSettings", [{columnKey: "col2", editorType: "combo", editorOptions: {dataSource: ["value1", "value2", "value3"]}}]);

You can do this in the igGridUpdating.editRowStarting event with the following code:

$("#grid1").on("iggridupdatingeditrowstarting", function (evt, ui) {
	// some condition to decide which editor to use for the row
	if (ui.rowID === 2) {
		$("#grid1").igGridUpdating("option", "columnSettings", [{columnKey: "col2", editorType: "combo", editorOptions: {dataSource: ["value1", "value2", "value3"]}}]);
	} else {
		$("#grid1").igGridUpdating("option", "columnSettings", [{columnKey: "col2", editorType: "text"}]);
	}
	// manually starting edit, because editRowStarting event fires at time which is too late to change editor types
	setTimeout(function () {
		$("#grid1").igGridUpdating("startEdit", ui.rowID);
	}, 100);
	return false;		
});

Hope this helps,
Martin Pavlov
Infragistics, Inc.