Hello i've got to make a project for school and thought I would make a rental shop like Blockbuster. But I need to create a number that will be assigned to each customer when they become a member. So I need to generate a random number that uses a certain amount of digits (I was thinking about 8) and that won't be used again can you help.
rn2j
Ok, I apologize in advance for my lack of knowledge but I need Help!!
I have a database form that has a O_Num field that populates the Order table. Now the client wants the order number to be a randomly generated number. this is the primary key and I cant use autonum because there is another field in the table that is autonum.
I have tried to use the following in the OnClick field, doesnt work
=Int((1000 * Rnd()) + 1)
My company does daily, weekly, and monthly drawings using mountains of entry tickets and a barrel that has seen better days. So needless to say this system has to go. I hope to be able to do it digitally.
I would like to do a random number generator to pick the winners based off of a ticket number range. The ticket numbers issued to the customer would correspond to the customer account number. To complicate things I would really love to have the random numbers displayed on the screen so people feel they are watching the randomization pick in progress with the winner name popping up.
I have searched Help for Rnd function, as well as googled. I haven had any luck finding what I need. Is what I am looking to do possible in access? I had something similar in Excel a few years ago but lost it.
I'm having trouble with my VBA module.I have a random test generator which pulls records based on a category from my table into a temp table using a make table query. I use the following code:
Private Sub Command2_Click()
DoCmd.SetWarnings False
DoCmd.OpenQuery "1", acViewNormal, acEdit
DoCmd.OpenReport "WrittenExam", acViewPreview, "", "", acNormal
Reports!WrittenExam.lblTitle.Caption = "Exam Name"
DoCmd.OpenReport "WrittenExamAnswerSheet", acViewPreview, "", "", acNormal
Reports!WrittenExamAnswerSheets.lblTitle.Caption = "Exam Name - Answer Sheet"
End Sub
My querry makes the table, and then generates two reports (my exam, and the answer sheet). I'm getting an error 3211, saying the temp table is already in use by another process when trying to generate both reports. I used a Macro before, but I have a need for custom report headings, so I'm using VBA.
I am working on a form and need it to be able to generate a random number to use as an invoice number. The only parameters i need it to meet is that it is at least 5 digits in length. I was hoping i could use a button to make the number generate in a separate box.
View 5 Replies View RelatedQuick question, how do I have access generate a random number between 1 and 8? I want it to generate either a 1,2,3,4,5,6,7, or 8. (no zero, no nine)
Expr1: Fix(Rnd(8-1)*10*Rnd()) is what I have been using, but this always generates the number 2? I do want the decimals to be rounded to the nearest integer, thus I have Fix.
If someone could please help me, it would be greatly appreciated! Thanks in advance.
How can I make random auto numbers 8 digits in length (including leading zeros) and always positive?
Thank you
Hello,
I have this query:
SELECT UNIT.Code, Rnd() AS Expr1
FROM UNIT;
The problem is that in the Expr1 field all the numbers are the same. I would like to have random numbers that are different for each record (generate new random number for each record)
Thanks for your help
Cheers
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.
Anyway, here is what I am looking to do:
1.) Generate a random number between 1 and 100 and assign the result an identifier, like a person's name.
2.) Generate a second random number between 1 and 100 and assign the result a different identifier, like another person's name.
3.) Compare the two randomly generated numbers.
4.) Have the identifier of the LARGER random number displayed on the screen.
I would like to have this linked into a button click.I am hoping there is an easy way to accomplish this task.
I have a log in screen that my users must use before they can use my db. if they enter the wrong username/password they get the usual message boxes. I also thought it would be a nice personal touch if once they've logged in they get a little greeting, so i made a message box that says "Hello " followed by their first name
This did the trick for a while, however theyre sick of seeing "Hello" and want other greetings, i figured this wouldnt be too complicated and took me only about 10 minutes or so to implement.
Basically i created a table (tblGreetings), has two fields, an autonumber field (ID) and a short text field
I've added the following code into the login sequence:
Dim greetings As Integer
Dim greet As String
Dim randomNum
greetings = DCount("ID", "tblGreetings")
randomNum= Int((greetings - 1 + 1) * Rnd + 1)
greet = DLookup("Greeting", "tblGreetings", "[ID]=" & randomNum)
which in theory should generate a random number between 1 and "greetings" (which is an integer representing the number of greetings ive stored in my table), currently greetings=9
then it should pick a greeting from tblGreetings using the random number as an ID
This more or less works, except whenever the DB is opened and a user logs in, the "random" number is the same every time, it always seems to be 7 (which corresponds to the greeting "G'day").
Why this random number is always the same? it changes if i run the code a few times in the same session, but once the database is closed and reopened it still gives off the number 7, every time
On an Access database, I would like an ID number to be generated randomly.
This ID number needs to be within the range of 11000 - 99999.
How is this possible?
hello all
I am trying to set column values to a random number between 3 and 5
PMRatingTokenID: textH1: doubleYearID: textCode:UPDATE PMRating SET PMRating.H1 = (5+3-3)*Rnd()+3
This shows type mismatch error . What is the problem here..
please do help...Thank you
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
I have a RN generator that looks at 9 different lanes and puts in a number based off of a certain criteria but I was wondering if in the frmLanes the actual "Go" button was an incoming number how could I get my current random number generator to look at that number and determine if the current number is within 5 of the "go" number?
Any way to have a beginning number that I would enter into a text box and have the number generator kick off based off of that number. I have included a copy of my db for viewing.
I have a form which allows the user to add new records to a table. After the user had entered all the information into the form, they click a command button to add the record. In addition to adding the new record, my command button runs an query which is supposed to generate a random number between 1 & 1,000,000,000 and update the record ID field with that number.
Here is the formula I have been using in the "update To" now of my query: Int((1000000000-1+1)*Rnd()+1)
My problem is that I keep getting duplicates. You would think that the chances of getting a duplicate number would be pretty small with this large of a range, but I get a duplicate almost every time.
I have tried indexing (No duplicates) the field in the table, but that did not work. When my query generated a duplicate number, the record was just not added to the table.
I also tried a two step approach:
1-Make a table of all in use record ID numbers from my table (tblIdNo)
2-Update new record with a random number that is not in tblIdNo
This was a no-go too
How to build an update query that will update each new record added to the table with a random number between 1 & 1,000,000,000 without any duplicates? This seems like it should be so simple, and I am starting to get really frustrated.
I would prefer to accomplish this through a query/queries (if possible) rather than with 100 lines of code. This database is not for me, it's for another group, and the individuals in this group are totally freaked out by code.
I'm trying to create a query that generates random numbers for each record, sorts them by that field, then selects the top record. This should randomize the record being selected.
I can use the Rnd([ID]) function which does appear to generate a random number. Problem is that each time I exit the program and come back in, it always selects the same record. When I remove the Top = 1, to show all the records, every row does have a different random number but it does not appear to be sorting by this field.
If I run the query, here is the number I get: 0.98609316349029
Exit the program, restart, and run the query again: 0.98609316349029
If I refresh the query, the second and third time does appear to be random but the first result is always the same. how to generate truly random numbers?
I've been building a CRM in Access that allows for creating profiles for our accounts. When we add a new account, I'd like an Account ID to automatically generate and look like this: CRMXXXXX where the X's represent a random number. I originally wanted to set the field as autonumber to just count up, but unfortunately I need to append this value to another sales database we have; you can't store the text "CRM" with an autonumber in a table.
Right now, all I've done is place an equation in the default value of a textbox I have on my 'Add Account' form. I then made the control source of the text box the Account ID field. My equation is as follows:
="CRM" & CStr(Int(Rnd(Now())*10000))
This appears to work, as it generates a value in the correct format. However, I've realized that each time I open the CRM, the random numbers start over again and I run into issues of trying to create a new record with the same ID as a previously created record. I assume I need to incorporate some sort of timestamp to it in order to change it.
Is it possible to run a SQL command to update a field within a table with random numbers?
More specifically - random long integers linking back to an ID (autonumber) field in another table?
Background to this is, I have multiple static data tables related to each other by long integer identifiers (autonumbers)
The structure is fine but I haven't been provided with the actual data yet - but for development purposes, I need to work on other functionality which requires that this data be present.
So I want to fill my table with dummy data such that I can go off and work on the remaining functionality, but then just go back and clear it all out once I get the actual data.
I have one 'main' static table, which links back to other tables, which I have already populated with dummy static (i.e. company names, locations etc) Now I want to go into my main table and populate those fields in each record with a random ID. I don't mind doing this field-by-field (there's only a handful) but I've a lot of records in there (~1000) so I'd rather not do this record-by-record.
I've been asked if I can create a database which will act as a quote generator.
There will be 5 components to make up the whole product. However, the options available for components 3, 4 and 5 will be dependant on the components chosen for 1 and 2.
i.e. there may be 5 options for each component.
If part 1a is chosen, then only parts 2c, 2d and 2e will be available. If part 1a and 2c are chosen, then only parts 3a and 3d are available and 4b, 4d and 4e are available.
...does any of this make sense?????
My question is... can anyone tell me how I should create the tables and the relationships to enable me to create a database like this. I am completely stumped.
It may be that this is completley beyond me, but i'd like to at least be able to give it a try.
Any help would be appreciated.
Thanks
I am working on a SKU generator and I need to prevent duplicate SKUs, but each SKU is made from several different fields. i.e. Brand, Color, Design, etc.
I was wondering if Concatenating would be OK for this situation. I know concatenating usually results in redundant data and I try to avoid that.
I would like to just index (no duplicates) the entire record... is this possible? I can't just set that attribute to each field because there will be many duplicates on a per field basis. i.e. Brand will be duplicated every time I use the same vendor for a different shirt.
I can't just go back and address duplicates once they occur. I need to prevent them from occurring in the first place.
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:
Was playing around, and when using the
Code:Me.txtNum1.Value = Int((51 - 1 + 1) * Rnd + 1)
format, I noticed that, with 6 differnet text boxes, that after opening the database, the "random" numbers repeat in the same order. That is, with 6 randomly generated numbers, the first set is always the same and the second the same and so on.
Why is it not really random?
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.
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
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