Hi all,

Trying to use the C# client available from https://github.com/BaseXdb/basex/tree/master/basex-api/src/main/c%23 to perform an update query, however I must be missing the obvious - query runs and no exceptions are raised, however the XML remains un-changed.  Code snippet (as this is held on a different machine):

String base_update_query = @"xquery version '3.0';
                let $invoice := db:open('{0}')/CommercialDocument[Customer/@id={1}]
                return replace value of node $invoice/InvoiceNumber with '{2}'";

....

Session session = new Session("localhost", 1984, "admin", "my_pass");

Query q = session.Query(
  String.Format(
    base_update_query,
    String.Concat("billing_run_", billing_run_id),  customer_id,  invoice_number
  )
);

....

From the BaseX logs I then see entries:

QUERY[1] xquery version '3.0'; let $invoice := db:open('billing_run_506')/CommercialDocument[Customer/@id=437] return replace value of node $invoice/InvoiceNumber with '28443'

so I know the query reached the server, and the response seems to be "not error" as no exception is being raised - however the XML document hasn't been updated.  Yet if I run the same query in either the client or web client it works (document updates) - provided I switch the query to "updating" not read-only.

Is there a flag I've missed, or is .Query of Session the wrong method to use

Kind regards

Chris Speare

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