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Problem Getting Record Count via ADO
Question:
I am attempting to determine if a row exists in a table by using the .RecordCount property of a RecordSet. However, all I ever seem to get for the recordcount is -1. Here's the relevant code, and attached is a debug trace of the complete program up to the line in question.WB 2003h, Office XP, XPPro.
AccessConn = StrCat('Provider=MicroSoft.Jet.OLEDB.4.0; Data Source="', DataBaseFile, '";')
AccessDB = ObjectOpen('ADODB.Connection')
AccessDB.open(AccessConn)
rsCount = ObjectOpen('ADODB.RecordSet')
rsCount.CursorLocation = adUseServer
rsCount.CursorType = adOpenDynamic
rsCount.LockType = adLockOptimistic
rsSSN = ObjectOpen('ADODB.RecordSet')
rsSSN.CursorLocation = adUseServer
rsSSN.CursorType = adOpenDynamic
rsSSN.LockType = adLockOptimistic
CountQuery = "SELECT SSN FROM Eligible WHERE EmplID = '"
SSNQuery = "SELECT prsn_soc_sec_nbr FROM dss.pse_emplid_map_gt WHERE prsn_univ_id = '"
SSNQuerySql = StrCat(SSNQuery, EmplID, "'")
rsSSN.Open(SSNQuerySQL, OracleConn)
fSSN = rsSSN.Fields('prsn_soc_sec_nbr')
SSN = fSSN.Value
rsSSN.Close ;close the SSN Query
;See if he's in the db already
CountQuerySQL = StrCat(CountQuery, EmplID, "'")
rsCount.Open(CountQuerySQL, AccessConn)
ssncount = rsCount.Fields('ssn')
;I do get the desired value for SSN here in X
x = ssncount.value
;but Count comes out -1 every time!
Count = rsCount.RecordCount
If Count > 0 ;he is, so update the record
Answer:
you may have to try adUseClient for the Access Connection; but if using adUseServer, you often have toRS.Movelast() RS.MoveFirst() ..then x= RS.RecordCountto insure the entire Recordset is loaded, or just use a forward-only cursor.
User Reply:
adUseClient took care of it.Article ID: W16083
File Created: 2004:03:30:15:42:46
Last Updated: 2004:03:30:15:42:46