How to update multiple record in angular 5

How to update multiple record in angular 5.

below code for single row update.

editCustomTableRecord(index, record) {
debugger;
let filteredArray = this.CustomTables.customTableFieldList.filter(i => i.isKey == true);
if (filteredArray.length > 0) {
if (this.customTableRecordIds == null) {
this.customTableRecordIds = index + ",";
}
else {
this.customTableRecordIds += index + ",";
}
this.editCustomRecord = record;
this.editRecord[index] = true;
}
else {
swal();
}
}

and now below code for multiple record save:

saveAllCustomTableRecord() {
debugger;
this.customTableRecordIds.forEach(customTableRecordId => {
if (customTableRecordId != ',') {
this.clixzService.customtablerecordService.putCustomTableRecord(this.customTableId, this.CustomTableRecords[customTableRecordId]).then(customeRecord => {
this.responseModel.createObject(customeRecord);
if (this.responseModel.isError == false) {
this.editRecord[customTableRecordId] = false;
}
else {
swal('Opps...', '', 'error');
}
});
}
});
}

but does not save data. already get customTableRecordIds.

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