I have two 'Do While Not' statements, that are getting information from
the same recordset. If I comment out the first one I can get the results
for the second one, and vice-versa. Why is this happening? Is it because
it's already at the EOF? If so how do I get it back to the BOF for the
2nd 'Do While Not' statement?
'----------------------------------------
'Create an ADO recordset object
Set rs_Report = Server.CreateOb ject("ADODB.Rec ordset")
'Initialise the strSQL variable with an SQL statement to query the
database
strSQL = "SELECT gender, referral, youthmember, age FROM tblUsers WHERE
base = '" + Replace(chosenB ase, "'", "''") + "'"
'Open the recordset with the SQL query
rs_Report.Open strSQL, adoCon
'-----Gets the total number of male and female users
intMale = 0
intFemale = 0
Do While NOT rs_Report.EOF
If rs_Report("gend er") = "male" then
intMale = intMale + 1
Else
intFemale = intFemale + 1
End If
rs_Report.MoveN ext()
Loop
'-----Figures out how they heard about the program
Do While NOT rs_Report.EOF
If rs_Report("refe rral") = "Base Paper" then
intBasePaper = intBasePaper + 1
End IF
rs_Report.MoveN ext()
Loop
----------------------------------------------
--Sample Output--
Male = 11
Female = 4
Base Paper =__ "nothing is returned here"
----------------------------------------------
Like I said before If I comment out the first do while not statement I
can get the answers for the second one. If I don't it doesn't even get
inside of the second do while not statement.
I know I can fix it by just having a seperate SQL statement to the
database and get my information seperately, but it seems like a waste of
time. Thanks for any help.
-=Ben
-=To email me take out the joke.
*** Sent via Developersdex http://www.developersdex.com ***
Don't just participate in USENET...get rewarded for it! 9 9181
Why've you got them in 2 DW loops?
Do While NOT rs_Report.EOF
If rs_Report("gend er") = "male" then
intMale = intMale + 1
Else
intFemale = intFemale + 1
End If
'-----Figures out how they heard about the program
If rs_Report("refe rral") = "Base Paper" then
intBasePaper = intBasePaper + 1
End IF
rs_Report.MoveN ext
Loop
--
Regards
Steven Burn
Ur I.T. Mate Group www.it-mate.co.uk
Keeping it FREE!
"Ben" <Be************ @langley.af.mil > wrote in message
news:#j******** ******@tk2msftn gp13.phx.gbl... I have two 'Do While Not' statements, that are getting information from the same recordset. If I comment out the first one I can get the results for the second one, and vice-versa. Why is this happening? Is it because it's already at the EOF? If so how do I get it back to the BOF for the 2nd 'Do While Not' statement?
'---------------------------------------- 'Create an ADO recordset object Set rs_Report = Server.CreateOb ject("ADODB.Rec ordset")
'Initialise the strSQL variable with an SQL statement to query the database strSQL = "SELECT gender, referral, youthmember, age FROM tblUsers WHERE base = '" + Replace(chosenB ase, "'", "''") + "'"
'Open the recordset with the SQL query rs_Report.Open strSQL, adoCon
'-----Gets the total number of male and female users intMale = 0 intFemale = 0 Do While NOT rs_Report.EOF If rs_Report("gend er") = "male" then intMale = intMale + 1 Else intFemale = intFemale + 1 End If rs_Report.MoveN ext() Loop '-----Figures out how they heard about the program
Do While NOT rs_Report.EOF If rs_Report("refe rral") = "Base Paper" then intBasePaper = intBasePaper + 1 End IF rs_Report.MoveN ext() Loop ---------------------------------------------- --Sample Output-- Male = 11 Female = 4
Base Paper =__ "nothing is returned here"
---------------------------------------------- Like I said before If I comment out the first do while not statement I can get the answers for the second one. If I don't it doesn't even get inside of the second do while not statement.
I know I can fix it by just having a seperate SQL statement to the database and get my information seperately, but it seems like a waste of time. Thanks for any help.
-=Ben -=To email me take out the joke.
*** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!
Why do you need to perform the loop twice? One problem is that in your
first loop, you move to the EOF. When you start your second loop, you're
already at EOF, so where is it supposed to go? The Do never enters...
Isn't this simply re-written as:
do while not rs.eof
' do stuff from first loop
' do stuff from second loop
rs.movenext
loop
You should also review http://www.aspfaq.com/2191 ... I see no reason for
ADODB.Recordset here.
--
Aaron Bertrand
SQL Server MVP http://www.aspfaq.com/
"Ben" <Be************ @langley.af.mil > wrote in message
news:#j******** ******@tk2msftn gp13.phx.gbl... I have two 'Do While Not' statements, that are getting information from the same recordset. If I comment out the first one I can get the results for the second one, and vice-versa. Why is this happening? Is it because it's already at the EOF? If so how do I get it back to the BOF for the 2nd 'Do While Not' statement?
'---------------------------------------- 'Create an ADO recordset object Set rs_Report = Server.CreateOb ject("ADODB.Rec ordset")
'Initialise the strSQL variable with an SQL statement to query the database strSQL = "SELECT gender, referral, youthmember, age FROM tblUsers WHERE base = '" + Replace(chosenB ase, "'", "''") + "'"
'Open the recordset with the SQL query rs_Report.Open strSQL, adoCon
'-----Gets the total number of male and female users intMale = 0 intFemale = 0 Do While NOT rs_Report.EOF If rs_Report("gend er") = "male" then intMale = intMale + 1 Else intFemale = intFemale + 1 End If rs_Report.MoveN ext() Loop '-----Figures out how they heard about the program
Do While NOT rs_Report.EOF If rs_Report("refe rral") = "Base Paper" then intBasePaper = intBasePaper + 1 End IF rs_Report.MoveN ext() Loop ---------------------------------------------- --Sample Output-- Male = 11 Female = 4
Base Paper =__ "nothing is returned here"
---------------------------------------------- Like I said before If I comment out the first do while not statement I can get the answers for the second one. If I don't it doesn't even get inside of the second do while not statement.
I know I can fix it by just having a seperate SQL statement to the database and get my information seperately, but it seems like a waste of time. Thanks for any help.
-=Ben -=To email me take out the joke.
*** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!
Previous responses provided a better solution... and Aaron hints as to why
the second loop returns nothing. That being said..and noting that *I* would
use the aformentioned solutions.. to answer your specific question; to make
your code work add rs_Report.Movef irst prior to starting the second loop.
"Ben" <Be************ @langley.af.mil > wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. .. I have two 'Do While Not' statements, that are getting information from the same recordset. If I comment out the first one I can get the results for the second one, and vice-versa. Why is this happening? Is it because it's already at the EOF? If so how do I get it back to the BOF for the 2nd 'Do While Not' statement?
'---------------------------------------- 'Create an ADO recordset object Set rs_Report = Server.CreateOb ject("ADODB.Rec ordset")
'Initialise the strSQL variable with an SQL statement to query the database strSQL = "SELECT gender, referral, youthmember, age FROM tblUsers WHERE base = '" + Replace(chosenB ase, "'", "''") + "'"
'Open the recordset with the SQL query rs_Report.Open strSQL, adoCon
'-----Gets the total number of male and female users intMale = 0 intFemale = 0 Do While NOT rs_Report.EOF If rs_Report("gend er") = "male" then intMale = intMale + 1 Else intFemale = intFemale + 1 End If rs_Report.MoveN ext() Loop '-----Figures out how they heard about the program
Do While NOT rs_Report.EOF If rs_Report("refe rral") = "Base Paper" then intBasePaper = intBasePaper + 1 End IF rs_Report.MoveN ext() Loop ---------------------------------------------- --Sample Output-- Male = 11 Female = 4
Base Paper =__ "nothing is returned here"
---------------------------------------------- Like I said before If I comment out the first do while not statement I can get the answers for the second one. If I don't it doesn't even get inside of the second do while not statement.
I know I can fix it by just having a seperate SQL statement to the database and get my information seperately, but it seems like a waste of time. Thanks for any help.
-=Ben -=To email me take out the joke.
*** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!
How about just doing a count query or queries?
intMale = odoCon.Execute( "SELECT COUNT(gender) FROM tblUsers WHERE
gender='male'") .Fields.Item(0) .Value
intFemale = odoCon.Execute( "SELECT COUNT(gender) FROM tblUsers WHERE
gender='female' ").Fields.Item( 0).Value
intBasePaper = odoCon.Execute( "SELECT COUNT(referral) FROM tblUsers WHERE
referral='Base Paper'").Fields .Item(0).Value
(Some would argue against the methods above, however.)
For sexes, you could also do "SELECT gender,COUNT(ge nder) FROM tblUsers
GROUP BY gender ORDER BY gender" to gram male and female at once.
Ray at work
"Ben" <Be************ @langley.af.mil > wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. .. I have two 'Do While Not' statements, that are getting information from the same recordset. If I comment out the first one I can get the results for the second one, and vice-versa. Why is this happening? Is it because it's already at the EOF? If so how do I get it back to the BOF for the 2nd 'Do While Not' statement?
'---------------------------------------- 'Create an ADO recordset object Set rs_Report = Server.CreateOb ject("ADODB.Rec ordset")
'Initialise the strSQL variable with an SQL statement to query the database strSQL = "SELECT gender, referral, youthmember, age FROM tblUsers WHERE base = '" + Replace(chosenB ase, "'", "''") + "'"
'Open the recordset with the SQL query rs_Report.Open strSQL, adoCon
'-----Gets the total number of male and female users intMale = 0 intFemale = 0 Do While NOT rs_Report.EOF If rs_Report("gend er") = "male" then intMale = intMale + 1 Else intFemale = intFemale + 1 End If rs_Report.MoveN ext() Loop '-----Figures out how they heard about the program
Do While NOT rs_Report.EOF If rs_Report("refe rral") = "Base Paper" then intBasePaper = intBasePaper + 1 End IF rs_Report.MoveN ext() Loop ---------------------------------------------- --Sample Output-- Male = 11 Female = 4
Base Paper =__ "nothing is returned here"
---------------------------------------------- Like I said before If I comment out the first do while not statement I can get the answers for the second one. If I don't it doesn't even get inside of the second do while not statement.
I know I can fix it by just having a seperate SQL statement to the database and get my information seperately, but it seems like a waste of time. Thanks for any help.
-=Ben -=To email me take out the joke.
*** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!
Depending on the database and version, you can probably do this in one
query, returning one row, and eliminating the need to loop at all, never
mind multiple times.
For SQL Server:
SELECT
male = SUM(CASE gender WHEN 'male' THEN 1 ELSE 0 END),
female = SUM(CASE gender WHEN 'female' THEN 1 ELSE 0 END),
basePaper = SUM(CASE referral WHEN 'Base Paper' THEN 1 ELSE 0 END)
FROM tblUsers
I'm continually amazed that people think it is too much work, or not
valuable enough, to include what type of database they are working with...
--
Aaron Bertrand
SQL Server MVP http://www.aspfaq.com/
"Ray at <%=sLocation% > [MVP]" <myfirstname at lane34 dot com> wrote in
message news:OW******** ******@TK2MSFTN GP09.phx.gbl... How about just doing a count query or queries?
intMale = odoCon.Execute( "SELECT COUNT(gender) FROM tblUsers WHERE gender='male'") .Fields.Item(0) .Value intFemale = odoCon.Execute( "SELECT COUNT(gender) FROM tblUsers WHERE gender='female' ").Fields.Item( 0).Value intBasePaper = odoCon.Execute( "SELECT COUNT(referral) FROM tblUsers WHERE referral='Base Paper'").Fields .Item(0).Value
(Some would argue against the methods above, however.)
For sexes, you could also do "SELECT gender,COUNT(ge nder) FROM tblUsers GROUP BY gender ORDER BY gender" to gram male and female at once.
Ray at work
"Ben" <Be************ @langley.af.mil > wrote in message news:%2******** ********@tk2msf tngp13.phx.gbl. .. I have two 'Do While Not' statements, that are getting information from the same recordset. If I comment out the first one I can get the results for the second one, and vice-versa. Why is this happening? Is it because it's already at the EOF? If so how do I get it back to the BOF for the 2nd 'Do While Not' statement?
'---------------------------------------- 'Create an ADO recordset object Set rs_Report = Server.CreateOb ject("ADODB.Rec ordset")
'Initialise the strSQL variable with an SQL statement to query the database strSQL = "SELECT gender, referral, youthmember, age FROM tblUsers WHERE base = '" + Replace(chosenB ase, "'", "''") + "'"
'Open the recordset with the SQL query rs_Report.Open strSQL, adoCon
'-----Gets the total number of male and female users intMale = 0 intFemale = 0 Do While NOT rs_Report.EOF If rs_Report("gend er") = "male" then intMale = intMale + 1 Else intFemale = intFemale + 1 End If rs_Report.MoveN ext() Loop '-----Figures out how they heard about the program
Do While NOT rs_Report.EOF If rs_Report("refe rral") = "Base Paper" then intBasePaper = intBasePaper + 1 End IF rs_Report.MoveN ext() Loop ---------------------------------------------- --Sample Output-- Male = 11 Female = 4
Base Paper =__ "nothing is returned here"
---------------------------------------------- Like I said before If I comment out the first do while not statement I can get the answers for the second one. If I don't it doesn't even get inside of the second do while not statement.
I know I can fix it by just having a seperate SQL statement to the database and get my information seperately, but it seems like a waste of time. Thanks for any help.
-=Ben -=To email me take out the joke.
*** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!
> I'm continually amazed that people think it is too much work, or not valuable enough, to include what type of database they are working with... http://www.aspfaq.com/5009
(There there, that feels better.)
>do while not rs.eof ' do stuff from first loop ' do stuff from second loop rs.movenext loop
Aaron: This is what Im going to end up doing, thanks for the insight, Im
still a beginner at this.
intMale = odoCon.Execute( "SELECT COUNT(gender) FROM >tblUsers WHERE gender='male'" ).Fields.Item(0 ).Value intFemale = odoCon.Execute( "SELECT COUNT(gender) FROM >tblUsers WHERE gender='female '").Fields.Item (0).Value intBasePaper = odoCon.Execute( "SELECT COUNT(referral) FROM >tblUsers
WHEREreferral='Ba se Paper'").Fields .Item(0).Value
Ray: Why would some argue against this method?
I'm continually amazed that people think it is too much >work, or not valuable enough, to include what type of database they are >working
with...
Aaron: Sorry about the oversight,it's an Access database until reading
the article I didn't realize that it was important, but now I know
better. Im still new to all of this(SQL, ASP, Access), so any help is
appreciated.
-=Ben
-=To email me take out the joke.
*** Sent via Developersdex http://www.developersdex.com ***
Don't just participate in USENET...get rewarded for it!
Ooh, and I didn't know about 5008. I like that one too. :]
Ray at home
"Aaron Bertrand - MVP" <aa***@TRASHasp faq.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. .. http://www.aspfaq.com/5009 (There there, that feels better.)
"Ben" <Be************ @langley.af.mil > wrote in message
news:%2******** ********@TK2MSF TNGP09.phx.gbl. .. intMale = odoCon.Execute( "SELECT COUNT(gender) FROM >tblUsers WHERE gender='male'" ).Fields.Item(0 ).Value
Ray: Why would some argue against this method?
The argument would come from doing this:
someValue = ADOObject.Execu te("a query").Fields. Item(0).Value
as opposed to:
Set rs = ADOObject.Execu te("a query")
someValue = rs.Fields.Item( 0).Value
rs.Close
Set rs = Nothing
When you implicitly create an object as is done in code sample 1, that
object won't be destroyed until the ASP engine is finished processing the
whole page and is cleaning up. So, it is not the most efficient way of
doing things. You typically want to create your recordset (or any object),
just before you need it and close and destroy it as soon as you no longer
need it. Does this matter or will you notice a difference in page load
times? No. If you get to that point, you won't be using Access anymore
anyway. :]
Ray at home This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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