Thanks for take time to read my question!!
I'm using code that will automatically delete rows of data in a field
and of course when you do this Access will prompt you that you are
about to delete x number of rows.
Most of the time I want this message be displayed. Can I use code
that will delete specified rows and not give the message?
Here is the code that I'm currently using:
Dim SQLDelete As String
SQLDelete = "delete from Equipment where EquipID = " & Me.List_Device
DoCmd.RunSQL SQLDelete
Thanks
N. Graves
Nov 13 '05
13 3810
Hi Tony
As you know, either will work, but CurrentDb upates all the collections of
the current database (usually dbEngine(0)(0)) , creates a new object, and
points it to the current database.
dbEngine(0)(0) is therefore better because:
1. It is thousands of times more efficient, since it does not have to flush
the collections, and the object already exists.
2. It survives more than one line, e.g. the next line might be:
MsgBox dbEngine(0)(0). RecordsAffected & " deleted."
OTOH, CurrentDb() is better because:
1. It returns correct results if any fields/tables changed recently.
2. The current database might *not* be dbEngine(0)(0). Examples:
- after running a wizard,
- you work with transactions when more than one Database is open (which
happens automatically if you are working with RecordsetClone) .
So, my personal practice is:
- Use CurrentDb() during where tables/fields are being created/modified.
- Use dbEngine(0)(0) for executing queries (other than DDL queries).
--
Allen Browne - Microsoft MVP. Perth, Western Australia.
Tips for Access users - http://allenbrowne.com/tips.html
Reply to group, rather than allenbrowne at mvps dot org.
"Tony Toews" <tt****@teluspl anet.net> wrote in message
news:a8******** *************** *********@4ax.c om... "Allen Browne" <Al*********@Se eSig.Invalid> wrote:
However, you won't know if anything went wrong with the action query. The following method is better, as it gives a message only if there is a problem: dbEngine(0)(0). Execute strSQL, dbFailOnError
Just curious. Why not currentdb.execu te etc?
Tony -- Tony Toews, Microsoft Access MVP Please respond only in the newsgroups so that others can read the entire thread of messages. Microsoft Access Links, Hints, Tips & Accounting Systems at http://www.granite.ab.ca/accsmstr.htm
David, Thanks for you information.
I'm getting a compile error for the user-defive type. My inexperience
will not let me continue could you please post this information for
me.
N. Graves
On Mon, 28 Jun 2004 21:25:56 GMT, "David W. Fenton"
<dX********@bwa y.net.invalid> wrote: "Dave" <e@mail.co.uk > wrote in news:cb******* ***@sparta.btin ternet.com:
try wrapping the DoCmd like this
Application.Set Option "Confirm Record Changes", False Application.Set Option "Confirm Document Deletions", False Application.Set Option "Confirm Action Queries", False DoCmd.RunSQL SQLDelete Application.Set Option "Confirm Record Changes", True Application.Set Option "Confirm Document Deletions", True Application.Set Option "Confirm Action Queries", True
i use all three lines to turn everything off when distributing run-times as i dont want uses to have to fiddle around
you will probably find that you dont need all three lines and just
Application.Set Option "Confirm Action Queries", False DoCmd.RunSQL SQLDelete Application.Set Option "Confirm Action Queries", True
will do
Why in the world use RunSQL and all those extra switches when in 99.999% of cases, Executing the SQL directly will do the job without needing to fiddle with warnings and options?
If you want something as simple as DoCmd.RunSQL, try this:
Public Function ExecuteSQL(strS QL As String, _ Optional db As Database) As Boolean On Error GoTo errHandler
If db Is Nothing Then Set db = CurrentDB() ' or DBEngine(0)(0) End If db.Execute strSQL, dbFailOnError
exitRoutine: Exit Function
errHandler: MsgBox "There was an error executing your SQL string: " _ & vbCrLf & vbCrLf & Err.Number & ": " & Err.Description , _ vbExclamation, "Error in mdlDWF.ExecuteS QL()" Debug.Print "SQL Error: " & strSQL Resume exitRoutine End Function
You can then call that as:
ExecuteSQL strSQL
The db argument is useful if you're already caching a global db variable and want to re-uses it.
N. Graves <ng*****@REMOVE yahoo.com> wrote in
news:a4******** *************** *********@4ax.c om: I'm getting a compile error for the user-defive type. My inexperience will not let me continue could you please post this information for me.
As I wrote to you in email (many people, myself included, consider
it impolite to both post and email; if you do it, you should
indicate that you're doing so in your message. Had you done so I
would have responded only in the newsgroup, not in private email),
you surely are using A2K or later and are falling victim to MS's
ridiculously stupid decision to not use DAO as the default data
access interface.
To fix the problem, while viewing a code module, go to the TOOLS
menu and choose REFERENCES. Search for Microsoft DAO 3.6 Object
Library and check it off. If you're not using ADO, then uncheck it,
as it's not needed (and for many things, Access provides interfaces
to ADO objects like CurrentConnecti on via the Application objet).
--
David W. Fenton http://www.bway.net/~dfenton
dfenton at bway dot net http://www.bway.net/~dfassoc
David thanks you so much for taking the to answer both the newsgroups
post and my email.
I was not trying to be rude but thought I was probably not the only
person that could learn from you knowledge is why I posted it back in
this group.
This group is so great and you folks that answer these questions are
great. I have used it quite a bit lately and I did not mean to rude.
I apologize and will not do both again.
Thanks again for you responses. They are working perfectly!
N. Graves
On Wed, 07 Jul 2004 01:10:26 GMT, "David W. Fenton"
<dX********@bwa y.net.invalid> wrote: N. Graves <ng*****@REMOVE yahoo.com> wrote in news:a4******* *************** **********@4ax. com:
I'm getting a compile error for the user-defive type. My inexperience will not let me continue could you please post this information for me.
As I wrote to you in email (many people, myself included, consider it impolite to both post and email; if you do it, you should indicate that you're doing so in your message. Had you done so I would have responded only in the newsgroup, not in private email), you surely are using A2K or later and are falling victim to MS's ridiculously stupid decision to not use DAO as the default data access interface.
To fix the problem, while viewing a code module, go to the TOOLS menu and choose REFERENCES. Search for Microsoft DAO 3.6 Object Library and check it off. If you're not using ADO, then uncheck it, as it's not needed (and for many things, Access provides interfaces to ADO objects like CurrentConnecti on via the Application objet). This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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