Render and update remote data using ODataV4Adaptor in Gantt

function ActionComplete(args) {
 
//To update on indent,outdent,taskbar editing and predecessor drawn action 
if (args.requestType == "indent" || args.requestType == "outdent" || args.requestType == "recordUpdate" || (args.requestType === 'save' && args.modifiedRecord)) {
//...
updateModifiedGanttRecords(ganttRec);
}
 
//Newly Added Record is obtained here, which can be updated to database 
else if (args.requestType == "save" && args.addedRecord) {
//...
$.ajax({
type: "Post",
url: '/odata/Orders',
data: data,
dataType: 'json'
});
} else if (args.requestType == "dragAndDrop") {
 
//...
updateModifiedGanttRecords(ganttRec);
}
 
//To update the database on delete action 
else if (args.requestType == "delete") {
var data = args.data.item;
$.ajax({
url: '/odata/Orders(' + data.Id + ')',
type: "Delete",
data: data
});
}
}
 
// To update the multiple modified Gantt records in single request. 
function updateModifiedGanttRecords(records) {
var modifiedRecord = {};
if (records && records.length) {
var length = records.length;
for (var i = 0; i < length; i++) {
//...
$.ajax({
url: '/odata/Orders(' + modifiedRecord.Id + ')',
type: "PUT",
data: modifiedRecord
});
}
 
}
}