MS Access Run-time Error 3162 -


i'm trying use code copy file new folder , add file path/name docname column in tblfileattachments.

when select file add, keep getting error "run-time error 3162...you tried assign null value variable not variant data type."

here tables have

tblfileattachments  - docid  - docname  - requestid_fk  tblrequests  - requestid  - pfname  - plname  - pbusinessname

i have form based on tblfileattachments docid, docname , requestid_fk fields. have "add file" button following code:

private sub btnattachfile_click() dim rsfile dao.recordset dim strfilepath string, strfilename string strfilepath = fselectfile() if strfilepath & "" <> "" strfilename = mid(strfilepath, instrrev(strfilepath, "\") + 1) currentdb.openrecordset("tblfileattachments")     .addnew     !docid = me.docid     !filepath = strfilepath     !filename = strfilename     .update end end if end sub

debugging error, highlights

!docid = me.docid

docid autonumber column?

then don't assign @ while creating new record, leave out line:

!docid = me.docid

the id generated automatically.


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