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MS Access Forum / General 2 / March 2007

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my database stopped working after the 200th record, why

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Tracy - 15 Mar 2007 15:09 GMT
the table I created won't record a calculated field after the 200th record.  
Can anybody tell me how to fix this?
Matt - 15 Mar 2007 16:12 GMT
> the table I created won't record a calculated field after the 200th record.  
> Can anybody tell me how to fix this?

Tables shouldnt really have calculated fields ... keep the basic data
in the tables and use queries to calculate on these fields.

As to why it is stopping you after 200 records is a little weird.
Could you provide some more details on what you are doing?
Tracy - 15 Mar 2007 18:36 GMT
I have a form set up that takes the students tuition for the year and
separates it into billing for the semester.  The formula is in the form.  
After the 200th record the table stopped filling in the price per semester.  
Can you help me with this?  I would be greatly appreciatative.

Tracy

> > the table I created won't record a calculated field after the 200th record.  
> > Can anybody tell me how to fix this?
[quoted text clipped - 4 lines]
> As to why it is stopping you after 200 records is a little weird.
> Could you provide some more details on what you are doing?
Matt - 15 Mar 2007 19:38 GMT
> I have a form set up that takes the students tuition for the year and
> separates it into billing for the semester.  The formula is in the form.  
[quoted text clipped - 13 lines]
>
> - Show quoted text -

Is the calculation VBA in the form?
Tracy - 20 Mar 2007 20:12 GMT
No it isn't.  I am afraid I don't know VB.  I am learning as I go.  If you
have any suggtions I would be grateful.  I would love to learn VB is there a
book you can recommend?

Tracy

> > I have a form set up that takes the students tuition for the year and
> > separates it into billing for the semester.  The formula is in the form.  
[quoted text clipped - 15 lines]
>
> Is the calculation VBA in the form?
Tracy - 15 Mar 2007 19:50 GMT
> > the table I created won't record a calculated field after the 200th record.  
> > Can anybody tell me how to fix this?
[quoted text clipped - 4 lines]
> As to why it is stopping you after 200 records is a little weird.
> Could you provide some more details on what you are doing?
Tracy - 15 Mar 2007 19:55 GMT
> > the table I created won't record a calculated field after the 200th record.  
> > Can anybody tell me how to fix this?
[quoted text clipped - 4 lines]
> As to why it is stopping you after 200 records is a little weird.
> Could you provide some more details on what you are doing?

Hi Matt,  

I set up the formulas on a form.  The formula was working until the 200th
record.  The price is showing on the form but it isn't populating the table
after the 200th record.  
John W. Vinson/MVP - 16 Mar 2007 00:24 GMT
> I set up the formulas on a form.  The formula was working until the 200th
> record.  The price is showing on the form but it isn't populating the
> table
> after the 200th record.

Tracey, you can see your formulas, you know the structure of your tables,
you know how your form is set up. We do not.

Please post the expression or code that is doing the calculation, and
describe the structure of your table. Remember: we are not at your computer;
we're volunteers donating our time to help, not telepathic magicians!

John W. Vinson [MVP]
Tracy - 20 Mar 2007 20:09 GMT
I'm sorry,  this is new to me.  My table is set up with the full tution cost
in colume A, first semester cost in colume B and second semester cost in
colume C.  My formula is in the form and is as follows: [TUITION]/2+50 and
[TUITION]/2-50.  I hope this helps you to help me.  

Thank you,

Tracy

> > I set up the formulas on a form.  The formula was working until the 200th
> > record.  The price is showing on the form but it isn't populating the
[quoted text clipped - 9 lines]
>
> John W. Vinson [MVP]
John W. Vinson - 20 Mar 2007 23:58 GMT
>I'm sorry,  this is new to me.  My table is set up with the full tution cost
>in colume A, first semester cost in colume B and second semester cost in
>colume C.  My formula is in the form and is as follows: [TUITION]/2+50 and
>[TUITION]/2-50.  I hope this helps you to help me.  

You're thinking in spreadsheet terms.

Will you never have a student who attends only one semester?
Will Column A always be the sum of columns B and C? If so, it SHOULD NOT EXIST
in your table, it should be calculated on demand!

I'd suggest a quite different design: a one to many relationship from a table
of Students to a table of TuitionCosts:

Students
 StudentID <primary key>
 LastName
 FirstName
 <other biographical data>

TuitionCosts
 StudentID <part of primary key, link to Students>
 Semester <rest of Primary Key, maybe a date field, maybe text such as
"Spring 2007">
 Cost
 <maybe other fields, e.g. reason for discount or waiver of fees>

You'ld put two records in TuitionCosts for the two semesters, and calculate
your expressions dynamically on a Form by setting the control source of an
unbound textbox to your expression.

            John W. Vinson [MVP]
Tracy - 21 Mar 2007 15:10 GMT
Thank you for the information.  I am going to try it and see what happens.  I
will let you know.  

Tracy

> >I'm sorry,  this is new to me.  My table is set up with the full tution cost
> >in colume A, first semester cost in colume B and second semester cost in
[quoted text clipped - 28 lines]
>
>              John W. Vinson [MVP]
Tracy - 21 Mar 2007 18:51 GMT
I tried what you suggested and it works!  

Thank you so much,

Tracy

> Thank you for the information.  I am going to try it and see what happens.  I
> will let you know.  
[quoted text clipped - 33 lines]
> >
> >              John W. Vinson [MVP]
 
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