Search for and edit single record in database

I am creating a few forms that access an Access database that will be used to enter data into the database. I am able to open records from the database and scroll through records one at a time and have added features to be able to search for and display a single record. The problem that I am having is when I load a single record and then edit that record, I am unable to save any changes made to the record, in other words, the record doesn't update on the database.
I can add new records and edit records as long as I scroll to them using .next(), .last(), .first(), and .previous() commands; however, when I load a single record I can't figure out how to save changes to that record in the database.

Ok...so I think i can get it to work by doing something like:
xfa.sourceSet.DataConnection.open();
xfa.sourceSet.DataConnection.first();
var oRecordList = ???????????
var nCount = oRecordList.length;
for (var i = 0; i < nCount; i++){
if (CurrentRecord.rawValue != SearchField.rawValue){
xfa.sourceSet.DataConnection.next();
where CurrentRecord is a text field that shows the index of the current record and SearchField is the field where a user enters the record that they are searching for.
I think I just need to figure out how to count the number of records in the database. Any ideas?

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