How To Generate Sequance Or Random Numbers

Jan 30, 2005

Hi All,

I'm designing this database, in which, I have to give each record a unique random (or sequance) number of 5 digits, giving that the first digit must be retrived from another field.

Please Help, I need this ASAP!

Any help will be very much appreciated!

Thanks,
CS.

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How To Generate Random Or Sequance Number

Jan 30, 2005

Hi All,

I'm designing this database, in which, I have to give each record a unique random (or sequance) number of 5 digits, giving that the first digit must be retrived from another field.

Please Help, I need this ASAP!

Any help will be very much appreciated!

Thanks,
CS.

View 1 Replies View Related

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Feb 24, 2006

is there anyway to have the database autogenerate a random 8 digit reference number for each record.. this of course must be unique..

maybe something like

7C7CYU99, or HJUHU889... im sure you get the picture.

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Apr 19, 2005

First off, I want to see if this is possible. It seeems like it should be but sometimes I dream bigger then things allow.

OK... I have a form made in Access. There is a text field that I would like to be able to do the following:

If the field is null, a number will be randomly generated betwen teh values of 1 and 1500.
If the field is not null (we entered a number between 1 and 1500), then that field would be set to that number.
The field CANNOT have the same number given (we will only have 1500 records and want them randomly generated a number unless otherwise specified).

Can this be done? I made my attempt but it keeps failing no matter how I try and fix and such. I guess this is what happend when you haven't used Visual Basic in about 4 years.

PLEASE HELP! Thanks In Advace,
Tara (aka Bay)

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Sep 6, 2013

I am using a API to generate a random / unique directory. This an API form a 32-bits environment.

I know that you can still use it when declaring it with PtrSafe

This is the code I am using:

Option Compare Database
Private Declare Function GetTempPath Lib "kernel32" Alias "GetTempPathA" (ByVal nBufferLength As Long, ByVal lpBuffer As String) As Long
Private Declare Function GetTempFileName Lib "kernel32" Alias "GetTempFileNameA" (ByVal lpszPath As String, ByVal lpPrefixString As String, ByVal wUnique As Long, ByVal lpTempFileName As String) As Long

[Code] .....

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Sep 28, 2006

Hi.
I have major report due within hours.
I need to add a field to existing table that will be a 9 digit number, non duoplicating or - to take an existing field of 9 digits and allow it's values to change to random or incremental, non-duplicate numbers of 9 digits. I already have an autonumber field I must keep.

Russ

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Jun 10, 2014

How can I generate a random string to a text field from a button. I

Say I have a form..

On the form I have:

X1 Button (BTN-Generate-Password)
X1 Text Field (TF-Generated-Password)

How can I make it so when the button is clicked a random string will appear in the text box

HTML Code:
Private Sub BTN-Generate-Password_Click()

(What Do I put here?) (Will it populate the Text Field?)

End Sub
- 9 Characters
- Upper and Lower Case
- Numeric & Alpha Numeric
- These Characters (!@#$%)

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Aug 30, 2005

Hi,

Can you please help me out--give me some guidance-if you have knowledge about random numbers. Say, for instance, I have 2,000 records and I want to randomly create a final list with 800 of these records, how do I go about it? Thanks.

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Apr 26, 2007

Hi Guys,

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Sep 8, 2007

Hi all,
I am having one table with id from 1 to 50. Now I want to return random records from that table using rnd.The point is that is there any funntion like


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Thanks in Advance
Dana

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Nov 30, 2006

Hello Everyone,

Im trying to make a query which will allow me to run a query update so that all my listings will get a new random number generated for them,

Ive got it selecting any listing with a ID of >0 (so basically thats all of the listings)

What id like it to do is then assign a random number to the randsort field, (prefer a number like 0.812 or 0.342 etc etc)

To start with ive tried using the Rnd feature, but its updating all the listings with exactly the same number (though granted the number changes each time the query is run)

I see in some of the other comments regarding rnd that you may need to put a randomize statement somewhere,

Im very new to programming in access and was just wondering am I on the right track, and if so where abouts should i declare the randomize code since its in a query?

Thanks for your time and look forward to your replies
Cheers Ezy

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Jun 7, 2012

How to generate random project numbers that reset automatically every month? I want to generate project numbers that look like this:

1234/06/12

where the 06/12 stands for the month and the year while the 1234 is a randomly generated number.

I want the random number to be four digits long.

I already have a number of projects with similarly generated projects from an existing database. Can I import these projects without changing their project number?

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Jan 5, 2007

I have a report that prints blank serialized forms and I basically need a query to generate a field where if I request 4 sheets to be printed the list generated would look like this:

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1
2
3
4

It seems like this would be simple, but I'm a noob.

-aldo

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Nov 19, 2007

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Sep 9, 2014

I have a range say 12.03 to 13.11.

I need to generate all numbers falling within this range with 0.01 increment.

(This increment is based on the numbers; if the numbers have 2 decimals, it should be 0.01. If the numbers have 3 decimals, the increment should be 0.001. Both the numbers will have the same number of decimals)

The answer is: 12.03, 12.04, 12.05, etc. etc. till 13.10, 13.11.

Is there a way we can do it in MS Access ?

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Mar 17, 2014

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2 character -> from 01,02,03,04 to 05
+
3 character -> Sequential Number (001,002,003).

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Oct 5, 2013

Basically what I have is a database for tracking/logging parcels that arrive to the office. I want to be able to generate a reference number based on the date of arrival: i.e. the reference number should be ddmmyy### where ### is a sequential number. I know that I could just use the primary key's autonumber, for the sequential number but if I do this then the sequence will not restart at 1 on each date and because we receive a lot of parcels the reference number will grow to be too big to print out on the collection slips in just a few months.

two tables (one with the date and staff on duty that day and the other with the parcel's info') with a one to many relationship

I also have a query (Named: FullLog) that picks up the following data from the tables:

Name - Description - Size - TrackingInfo' - Staff - DateReceived - Count

The field named Count is a DCount function that I used to find out the number of times each date is repeated. This is the Expression that I used:

Count: DCount("*","FullLog","DateReceived = " & [DateReceived]) [Note that DateReceived is first converted into a string using CStr()]

This is as far as I have been able to get, I have been looking for weeks for a solution to this problem but I have yet to find one. I don't even know if the DCount function is the correct way of doing it, I did read somewhere that this produces a very slow query.

Effectively what I want to be able to get is something of that resembles the following

DateReceived - ReferenceNo

051013 051013001
051013 051013002
051013 051013003
061013 061013001
061013 061013002
071013 071013001
071013 071013002
071013 071013003
071013 071013004
071013 071013005
081013 081013001
081013 081013002
091013 091013001
101013 101013001

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Aug 12, 2014

I'm having multiple problems with my database like things such as -

i'm currently working on the Query 2 - On the Phone database (ignore Query 1) and i want to search for multiple plot numbers preferably in one parameter prompt with a comma to seperate numbers. (this could be a multitude of numbers so i would like to be able to input as many as needed). Also when i do search on this query since the Criteria is a 'Between' Value i would expect everything between the 2 numbers input to show up - but a lot of numbers out of the range show up too - why is this? (The Numbers are like "69 to 136" and they will show up - but 1-69 and 136-170 would too

I would also like to implement the search results from Query 2 into the Form i currently have made but it just opens up a access table when the search is made?

i cannot link my database as it is too big for the server - But here are the Criteria for Query 2:

Plot No - (criteria = Between [Enter First Plot No:] And [Enter Last Plot No:])
Site - (criteria = Like "*" & [Enter Site:] & "*")
Product - (criteria = Like "*" & [Enter Product:] & "*"

The Query is the one im most concerned about , i can live without a form.

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Jan 10, 2007

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Aug 24, 2014

I have 2 fields that I would like to automate if possible

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These fields are part of an ordering database

Let say I have 200 items to purchase form 10 suppliers

And form example 20 items from each supplier

What I do at present is put the order number on each line item and the line number

example

p/o number line no

1 1
1 2
1 3

2 1
2 2
2 3
2 4

What I want to do is just put the first po number in the required line . Put the first line number in i.e. "1" and the macro will complete all the p/o numbers and line numbers for me as per the ones marked in red.

Example

1 1
2 2
3 3

2 1
2 2
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Aug 10, 2005

I have a small unbound form which has a txt box with code something like =Rnd((20-1+1)*Rnd()+1)) to generate random numbers. When the db and form are first opened the field always contains the same number. Using F9 to refresh will generate another number but it is always the same too.

If the form is closed then reopened (db is not closed) the field will happily generate a random number each time the form is opened or if F9 is used.

I have tried Recalc in numerous events but each time it failed to work. It's late at night here so I'm hoping the morning will bring a clearer outlook???

Has anyone got any suggestions? :confused:

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Jan 5, 2005

Was playing around, and when using the
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Why is it not really random?

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Oct 4, 2005

Hi, I have a DB that is basically a big electronic form. Each table is a section of the form and the main central table stores the ID's from the other tables. Most of the relationships are one to one but without referential integrity because sometimes sections need to be skipped.

It's been growing fairly rapidly lately as bit's keep getting added but now a weird deletion problem has started appearing. Every once in a while when a user goes to complete the form (right at the end) it suddenly dissapears. The records in the related "section" tables are still there but the main table storing all the ID's loses the record.

There are NO cascade update/delete's on any of the relationships, also no-error message appears it just goes. I think there is a problem in actually saving the record because I moved a DoCmd.RunCommand acSaveRec command from the complete button to a slightly earlier process and the point at which the record dissapeared also moved.

Does anyone know what may be causing it? It only happens to about 1 in 30 forms and there is no obvious link between the problem and
a) the machine it happens on
b) the person using it
c) the data entered into the form

If it happens the same user can input exactly the same data in exactly the same way and it saves it fine.

It really is random!

People are starting to get really frustrated. I was tring to "sell" the idea to a new department as well and had 15 people sitting in front of a projector when it happened to me. I was mortified :eek:

Any ideas would be greatly appreciated.

thanks,

Tom

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Feb 11, 2008

Hi,

everything was going fine until a random error appeared and now wont go away.

here is my code

MainFormPay()

Dim stDocName As String
Dim stLinkCriteria As String

stDocName = " Payment Numbers" ' name of form t open
ANumber = [LastOfVerificationID].Value ' set value of latest Verify number

stLinkCriteria = "[ContractorID]=" & me.ContractorID ' filter to contractorID
DoCmd.OpenForm stDocName, , , stLinkCriteria
Docmd.GoToRecord, , acNewRec

Forms![Payment Numbers]![VerificationID].Value = ANumber

end sub

this was working fine but now i get the following error message:

Run-time error '40036'
Method 'Item' of object 'Forms' failed

when i debug, it highlights the line
Forms![Payment Numbers]![VerificationID].Value = ANumber

the purpose is to get the LastOfVerificationID value from form 1 and then open Payment Numbers, create a new payment number, set verificationID to the new value. this was working fine and without even woring on the forms code, this error has arisen.

how can i fix it?


Nigel

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Jul 27, 2007

With Access 2003 I have a tbl_Orders with the field OrderID set as Autonumber>Long Integer>Random. This produces long strings of numbers both positive and minus. Is it possible to set a certain format such as #### and no less than 0 but no more than 9,999?

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