Dan Waters
dwaters at usinternet.com
Wed Sep 10 18:59:41 CDT 2003
If the database is opened with a shortcut, you'll need to change the shortcut properties to apply the correct database name. -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Don Elliker Sent: Wednesday, September 10, 2003 11:12 AM To: accessd at databaseadvisors.com Subject: [AccessD] Problems renaming secured database Are there any problems renaming a database that is secured thru A2K Access Security? Just thought I'd ask before I hose myself. _D "Things are only free to the extent that you don't pay for them".-Don Elliker >From: "Mcgillivray, Donald [ITS]" ><donald.a.Mcgillivray at mail.sprint.com> >Reply-To: Access Developers discussion and problem >solving<accessd at databaseadvisors.com> >To: "Access Developers discussion and problem >solving"<accessd at databaseadvisors.com> >Subject: RE: [AccessD] Need help with Eval() function >Date: Wed, 10 Sep 2003 11:58:30 -0500 > >Stuart, that's exactly the thing! I modified your code sample to fit >my situation, and it works like a charm. > >Thanks so much for the advice! > >This list is the best! > >Don > >-----Original Message----- >From: Mcgillivray, Donald [ITS] >Sent: Tuesday, September 09, 2003 4:19 PM >To: Access Developers discussion and problem solving >Subject: RE: [AccessD] Need help with Eval() function > > >Very cool. My formulae do consist of field names and numbers only, so >this should give me a good start in the right direction. They do come >from different tables though, so I'll need to hammer on this for a bit >before I get it to work. > >I've been working in Access97, and the Replace function appears not to >be there. I can switch to XP with no real problem - assuming I'll find >it there, along with more details about how to use it. > >Thanks for the assist! I'll let you know how it all works out. > >Don > >-----Original Message----- >From: Stuart McLachlan [mailto:stuart at lexacorp.com.pg] >Sent: Tuesday, September 09, 2003 4:03 PM >To: Access Developers discussion and problem solving >Subject: RE: [AccessD] Need help with Eval() function > > >On 9 Sep 2003 at 17:12, Mcgillivray, Donald [ITS] wrote: > > I have a table of material types that may be added to over time. I > > want the cost calculation to be dynamic, such that when a new > > material > > > type is added, the user can define the formula that will deliver its > > cost. I intended to build a wizard-type form that would guide the > > user through the creation of the formula by allowing the selection > > of fields and operators. I wanted to store the formula string in > > the material types table and use it to drive the cost calculation > > when called. My main objective is to avoid having to open up some > > custom function to insert new rules if a material type is added that > > doesn't fit an existing cost formula; I want this to be hands-off > > for me once I turn it over. > > > > Am I dreaming? Or is there another smarter way to do this? > > > >If your formula consists of just fieldnames, numbers and operators, >Eval() will still do it. But you will need to use it inside a function >so that you can substitue the values for the fieldnames in the string >before you evaluate it Here's a simple function I've just knocked up to >do it. I an substituting 0 for Nulls. You may need to handle Nulls >differently depending on how your formulae work. > >Also it will get slightly more complex if some of the values are stored >in other tables - not that much harder, you just need to grab the >fieldnames and values in a similar fashion from other tables. > >Function Cost(Formula As String, RecordNum As Long) As Currency > Dim loopcount As Long > Dim rs As Recordset > Set rs = CurrentDb.OpenRecordset("Select * from TestTable where ID >= " & RecordNum) > Formula = UCase$(Formula) > For loopcount = 0 To rs.Fields.Count - 1 > Formula = Replace(Formula, UCase$(rs(loopcount).Name), >NZ(rs(loopcount),"0") > Next > Cost = Eval(Formula) >End Function > >-- >Lexacorp Ltd >http://www.lexacorp.com.pg >Information Technology Consultancy, Software Development,System >Support. > > > >_______________________________________________ >AccessD mailing list >AccessD at databaseadvisors.com >http://databaseadvisors.com/mailman/listinfo/accessd >Website: http://www.databaseadvisors.com >_______________________________________________ >AccessD mailing list >AccessD at databaseadvisors.com >http://databaseadvisors.com/mailman/listinfo/accessd >Website: http://www.databaseadvisors.com >_______________________________________________ >AccessD mailing list >AccessD at databaseadvisors.com >http://databaseadvisors.com/mailman/listinfo/accessd >Website: http://www.databaseadvisors.com _________________________________________________________________ Fast, faster, fastest: Upgrade to Cable or DSL today! https://broadband.msn.com _______________________________________________ AccessD mailing list AccessD at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/accessd Website: http://www.databaseadvisors.com