TQuery help

I was wondering if anybody could help me with the following:

I have an Access database with tthe following fields:
ID
Date
Time
Album
Artist
Song
MP3
MPG
Filename
Credit
Now what I want is when the person open the form, the following must be displayed in labels according filtered in FromDate to ToDate.

Total MP3
Total MPG
Total Credit MP3
Total Credit MPG
LVL 1
DigitalNamAsked:
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
>But now how do I get it to show from the 01/01/2007 to 03/01/2007?

add that condition in the query:


select sum(iif(MP3=True,1,0)) AS TotalMP3 , sum(iif(MPG=True,1,0)) AS TotalMPG , sum(iif(MP3=True,Credit,0)) AS TotalCreditMP3 ,sum(iif(MPG=True,Credit,0)) AS TotalCreditMPG
from STATS
WHERE [Date] >= #2007/01/01#
AND [Date] < #2007/03/01#
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
Hello DigitalNam,

  what is the value of Total MP3 / MPG ?
  also, what is the Total Credit MP3 / MPG ?
  I mean, how are they calculated?
  do you want count(), sum()  and what is the rule to count() / sum() the mp3/mpg ...

Regards,

angelIII
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bokistCommented:
Hi !

It is not clear, how to find where the credit belongs(mp3 or mpg).
What is the key field for totals(ID ?).

regards,
  steve

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DigitalNamAuthor Commented:
Angelll:

When the user plays a mp3 for example, the album song name etc is added to the db with the value of the credit for a mp3 or mpg. So what I want is to give the user a summary of the total credits where field is MP3 of total credits where field is MPG for a certain period.
This is how my db looks at the moment.

ID      Date      Time      Album      Artist      Song      MP3      MPG      FileName      Credit
294      28/03/2007      22:42:02      Anastacia      Anastacia      Welcome to My Truth      Yes      No      07 Welcome to My Truth Anastacia Anastacia Rock 12      1
295      28/03/2007      22:42:13                        No      Yes      Metallica - The Unforgiven II.mpg      5
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
select sum(iif(MP3=Yes,1,0)) TotalMP3
,sum(iif(MPG=Yes,1,0)) TotalMPG
,sum(iif(MP3=Yes,Credit,0)) TotalCreditMP3
,sum(iif(MPG=Yes,Credit,0)) TotalCreditMPG
from yourtable
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DigitalNamAuthor Commented:
Angel gives me syntax error (missing operator) in sum(iif(MP3=Yes,1,0)) TotalMP3. How can I get the returned values to display in normal labels?
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DigitalNamAuthor Commented:
and how can we base the query on a certain time period? with a calendar dropdown?
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
in case the field MP3/MPG are boolean, use True instead of yes.
if its a string field, use 'Yes' instead
possible also, you need to use ; instead of ,   that depends on some regional settings

>How can I get the returned values to display in normal labels?
labels can have a data source also.
ie, make the above query a view (querydef) etc...
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DigitalNamAuthor Commented:
Angel, got it wo work, like with the following

select sum(iif(MP3=True,1,0)) AS TotalMP3 , sum(iif(MPG=True,1,0)) AS TotalMPG , sum(iif(MP3=True,Credit,0)) AS TotalCreditMP3 ,sum(iif(MPG=True,Credit,0)) AS TotalCreditMPG from STATS

Seems like the AS was missing. Regarding the label question, I really don't understand your answer. I don't want to display the values returned by the query in a DBgrid, but all in labels.
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DigitalNamAuthor Commented:
Ok, I have managed to get the values to TLabel like this

Label22.Caption := 'Total for MPG: ' + IntToStr(DM.Query.Fields[1].AsInteger);

But now how do I get it to show from the 01/01/2007 to 03/01/2007?
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DigitalNamAuthor Commented:
Thanks for the help Angelll... Saved me heaps of time...
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