Modules & VBA :: How To Consider Numbers As Indexes
Jul 15, 2015
I have sheet names stored in a text field.
sample data: (assume the field name as SheetName)1 (considered as an index) MySheet (considered as a Name)
How to handle them both in a single statement:vartype(SampleData!SheetName) returns 'Text' as Datatype for all values.
How to consider the numbers as indexes?
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Aug 24, 2014
I have 2 fields that I would like to automate if possible
One field is called "p/o number" and another field called "line no"
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
2 3
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Dec 11, 2006
I am a beginner and can someone please help me with creating indexes( I think this is what I want to do)
I have a table for entering realtors
the primary key is realtorID (AutoNumber)
is there anyway to find if the realtor has been entered twice or prevent the realtor from being entered twice
thanks
Josh
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Apr 21, 2006
Hello
Sorry to add to the number of 'relationship' posts but a thorough search has failed to turn up anything similar to my problem.
I have a table tblSite
Each geographical site (defined by a PK 'SiteNo') in tblSite can contain multiple occurrences of a large number of types of geographical features (ie multiple 1-many relationships).
Eg each Site can contain
100 trees
10 ponds
5 streams
2 springs and so on.
I could have anything up to 50 or so different types of feature that are related on a 1-many basis to the site, linked by 'SiteNo'
Access prevents any more than 32 indexes per table so in practice that means that you can't have more than 32 relationships with referential integrity enforced on any one table. I thought that I was correct in having a separate table for each feature type and creating 1-many relationships to the central table. The fact that I can't have more than a certain number of relationships suggests that my structure is wrong.
I thought about having one large table with a 'feature type' field plus all the other fields required for each feature type but the info recorded about each feature type is different, leading to a large table with many fields, many of which would be blank. This seems to be un-normalized to me.
So, my question is twofold really.
Have I got my structure right? Is it one of those special cases (we all want to be a special case?) and if so, how do I get round it?
If not, where have I gone wrong?
I thought I was comfortable with my design but coming up against this limit has thrown me a bit and I'm not sure how best to proceed.
regards
Neil
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Sep 17, 2004
I am trying to link a Progress table into Access. However, the Progress database table has 41 indexes. I have even tried to import and get the same error - Too many indexes - . Is there a way to get around this? Currently I am importing to Excel then linking Excel to Access. The table is time sensitive so a live link is the best. Any ideas? Thanks
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Nov 30, 2005
I am a beginner when it comes to access. The project that I am working on is tracking Travel claims. The claims are submitted ever month for 4 years so I have created 48 tables for each month and tried to link them via the SSN. The member can also submit other claims during this period, ie supplementals (for reimbursements that were missed in the monthly) and Concurrent duty claims (for the member going to additional sites then where they are assign).
I have a
MBR tbl - that holds all the MBR's info (SSN, name, unit, city, state, POC, POC email and Remarks)
(48) Partial tbl - linked by the SSN.
(5) Suppplemental tbl - Linked by the SSN ( I need more of these but I started with 5)
(5) Concurrent tbl - linked by the SSN ( I will need more of these)
These are all one-one relationship.
How can I get this to work. I can upload a blank copy of this database.
Thanks for any help
Craig
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Jun 18, 2005
Hi guys. I got unbounded form that I want to add searching functionality by utilizing indexes. I would like to know how to add indexes for my customer table so that I can use it for searching records. I be happy if some one help with make indexes. Thanks
http://i5.photobucket.com/albums/y1...tabledesign.jpg
==> pic of my customer table in design view
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Mar 18, 2014
I am trying to consolidate a few tables I made to make them less numerous and hopefully easier to handle. At one point I received an error message that said I had exceeded the maximum number of indexes in a table (32) and thus it could not be saved. When I scroll through my table in design mode every box that has "Indexed" as an option is marked at "no". Many boxes do not have that option and thus I am not sure if those are automatically indexed(?), not indexed(?) or that indexing is not relevant for those values(?). I definitely do not have any, let alone 32+ boxes, that have "indexed" checked to "yes" though. They are all "no".
How do I figure out which columns in my table are indexed otherwise so that I can reduce those numbers and get more columns on my tables (by the way, I am no where near the limit of 255 columns on any of my tables)
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Oct 5, 2012
I cannot cause a database to refrain from dropping several table indices during a Compact on Close operation. I am running Access 2010 under Windows xp.I have created a database that merges data in a linked text file with data in a linked database, appending the results in a local table. The database has the Compact on Close option set. The table has 27 indices (because most of the fields either are coded or are potential select or sort fields) and nearly 1 million records.
I run a delete query to clear the contents of the table, I close (and compact) the database, I reopen the database, and I run the append query. The indices in the target table are intact. I close (and compact) the database again; when I reopen the database, indices are missing -- sometimes about 10, other times nearly two dozen!
This table is linked to a larger system, which contains code to run the sequence outlined above. Whether run manually or in code, as stand-alone or as a component, indices are dropped. When I close the database with the table containing no records, the indices are not affected. After appending records, but before closing, the database contains 1.66GB. The drive on which the database resides has 42GB free.As suggested with regard to a number of other unexplainable issues, I have created a new database and imported all objects from the original database. The results persist. The larger system performs accurately without the indices, but the performance against a table this massive is horrible.
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Dec 3, 2012
In month-end posting - I basically delete all the records from my transaction file. And in doing so - it seems to be resetting the auto number index - which is causing me major problems.
The resetting of the index after deleting all the records is normal.
I am working in VB 2010 - using a 2003 MS Access database.
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Sep 15, 2013
Code:
If Me.Text250 = BETWEEN -15 And 15 Then
Me.Label253.Visible = False
Else
Me.Label253.Visible = True
End If
Even when text250 =8 label253 is visible.
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Nov 18, 2014
Ok i know negative numbers can be a bugger in calculations:
Code:
Function FEV1pred(height As Double, ClientID As Double) As Double
Dim a As Double
Dim Age As Integer
Dim DOB As Date
Dim TestDate As Date
Age = DateDiff("yyyy", DOB, TestDate) + CInt(Format(DOB, "mmdd") > Format(TestDate, "mmdd"))
'In this case the clients Age is 39
a = -0.0244
'Now for the fun stuff...
FEV1pred = a
'returns -0.0244 so i know the dim a holds the neg number
FEV1pred = (a * Age)
'returns 1.708 (which is incorrect, how this calculation is reached.)
FEV1pred = (a * 39)
'returns -0.9516 (which is correct)
End Function
So something about the dimming of Age seems to be doing something to the equation but i can't work out what?
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Sep 19, 2014
I have a short text field where numbers such as "15.00", "2233.56", "-300.00" are stored. Now I want to convert the text field to numeric so that I have actually 15.00 or -300.00 stored as a double. I am going to do calculations on these fields. How can I achieve this conversion?
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Mar 1, 2015
I am looking to calculate numbers in query like this if the field name in query is Unit and the second field name is amount and i want that the amount field to calculate the unit field on this criteria..Suppose if total unit is 393 so the calculation should be like this;
First hundred should be calculated with 100.00 X 5.79 = 579.00
Second 200.00 X 8.11 = 1622.00
Third 93.00 X 12.33 = 1146.69
Total should be displayed in the amount field = 3347.69
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Jan 3, 2014
I have a series of IDs in an 'articles' table stored as text, e.g.
hb-123456789-e-068
hb-123456789-e-0069
hb-123456789-e-70
hb-123456789-e-00027
and I'm trying to pull the max value of the number after the -e- for a given set of them. In this example, I'd want to return the number 70. I'm then going to use that to create the next ID and populate another field.
The IDs are not used as the primary key. And while the previous IDs used leading zeros inconsistently, new IDs will not have leading zeros.
Here's what I have so far, but it doesn't seem to pull the number after the -e- at all. I think this section here is the problem, even though the same logic works in a query:
Code:
selectedERef = Val(Right(rs![masterArticleID], Len(rs![masterArticleID]) - InStrRev(rs![masterArticleID], " - ")))
Code:
Public Function MaxArticleERef(hbID As Long) As Variant
On Error GoTo err_handler
Dim db As DAO.Database
Dim rs As DAO.Recordset
Dim strSql As String
Dim maxERef As Variant
[code]....
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Jul 16, 2014
I need to create a very simple database that would just store records and produce a couple of reports. I have three tables: one with the roster , one has records of the inventory items people from the roster receive and another one contains types of inventory we have. Everything is very simple except for one part. Every time we make a record of an inventory item given to someone, it requires not only employee id and inventory type from the existing tables. It needs us to enter a serial number of an item. This serial number contains a letter and a number.
Looks something like this - M100. Many people receive a consecutive set of inventory items. For example, from M100 to M150. There is no way to have a separate table with all serial numbers because they constantly change. That is why we need to have two text boxes that would allow us to input a range of serial numbers or just one number. Then the program should separate numbers from letters, evaluate the range, create new records of numbers and then put new numbers and a letter back together into one field in the table where we have all inventory records.
I found the following code online that allows me to find numbers within a range, but it only works for numbers.
Dim varRange As Variant
Dim lngLow As Long
Dim lngHigh As Long
Dim lngCounter As Long
DoCmd.Hourglass True
[code]...
I then found a piece of code that is supposed to separate numbers from letters, but I can't find a way to make it work.
Public Function FindNum(strName As String) As String
Dim strTemp As String
Dim i As Integer
For i = 1 To Len(strName)
strTemp = Mid(strName, i, 1)
If (Asc(strTemp) < 91 And Asc(strTemp) > 64) Or (Asc(strTemp) < 128 And Asc(strTemp) > 96) Then
FindNum = Right$(strName, Len(strName) - i)
End If
Next i
End Function
how to alter the code to make it work for my specific situation.
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Oct 2, 2013
I am trying to write some VBA to convert a date into a week number.
My work colleagues do not not what system is used to define the week numbers. So I have gone through all their records for a few years and deciphered this pattern:
I need the code to define that there are 52 weeks in a year. The last sunday of Dec is the beginning of Week 1 for the following year. Except when it is a leap year where Week 53 exists. otherwise it only goes up to week 52.
Start day for the week is Sunday. End day is the Saturday.
Some examples to check against:
22nd December 2013 = Week 52 2013
29th December 2013 = Week 1 for 2014
----
21st December 2014 = Week 52 for 2014
28th December 2014 = Week 1 for 2015
----
20th December 2015 = Week 52 for 2015
27th December 2015 = Week 1 for 2016
----
25th December 2016 = Week 53 for 2016
1st Jan 2017 = Week 1 for 2017
-----
Tried various methods already
iso 8601, wrong week start day
intWeek = DatePart("ww", datDate, vbSunday, vbFirstFourDays) Was right for 2013 but wrong for later dates.
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Jan 15, 2014
I have to decode a string into numbers and to avoid to find out the values for 47 options by select case I though about an array.
I want to decode
Number Letter
10 A
11 B
12 C
13 D
14 E
15 F
16 G
17 H
18 I
19 J
20 K
...
For example the string "ADEG" would give as result
10 13 14 16
So I would have to loop through the string and "decode" each letter into a number.
As I have still problems to understand array, need to define the dimension of the array, it has fix 47 entries to decode
Dim myarray (47,2) as variant
mayarray=(10,"A",11,"B",...)
Correct?
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Jul 3, 2014
I have a very basic application to manage the tasks. In the main form "Tasks" one of the field is the priority (Order by) and I have this example:
Task Priority
B 1
A 2
C 3
E 4
D 5
If the user change one priority, I need a code to automatically change the others too respecting the new priority order. For example if the user change the priority 3 to 1 for the task C, the other numbers have to change to become:
Task Priority
C 1
B 2
A 3
E 4
D 5
There is a way to do this?
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Oct 20, 2014
I need to declare a variable (max_nog_leveren ) but that variable may not be rouded or only after 5 digits so as example 15,xxxxx
I am now using it as a "Integer" but that is not working very well..
Code:
Dim iRet As Integer
Dim strPrompt As String
Dim strTitle As String
Dim max_nog_leveren As Integer
Dim strQuery As String
Dim nettohoeveelheid_toevoegen As String
[Code] ....
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Apr 7, 2014
I have a form that have textbox that calculate total and then i want to convert numbers to words. Iv got the code with function currencytotext but when i set the code source of another textbox to:
=currencytotext([inv_total])
I have an error. I saw this on internet but i think bcz I am using access 2013 may be the syntax is different a bit.
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May 29, 2015
I have a database for quotations. The database automatically generates a new quotation number every time a new quote is started. This works great, and I am very happy. My next task is to allow the employee to pull up a quote that has already been generated and edit it. I would like for the new quotation process to be followed step by step, but with all of the information already filled in.
This will allow for any edits that need to be made, and keep from having to re-enter a lot of data. I want one thing to change, which is the QuotationNumber. It is currently formatted by "yyyymmdd-01" for the first quote generated on that day. I want the edited quote to have a QuotationNumber formatted by "yyyymmdd-01a". For every edit that letter change going through the alphabet in order. How would this new QuotationNumber code differ from that of the Other?
QuotationNumberCode.PNG
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Jun 12, 2015
I have this UDF in my excel template that changes a set of numbers in to letters corresponding a code.
For example the code is "EUCHARISTO" it would simply mean
E=1, U=2, C=3, H=4, A=5, R=6, I=7, S=8, T=9, O=0 and by default the tenths position (".0")=X the hundredths position (.0"0") = Y and If a number repeats it becomes G.
Examples
12.50 = EUAY
123.00 = EUCXY
12.25 = EUGA
99.00 = TGXY
99.50 = TGAY
999.00 = TGTXY
999.99= TGTGT
Here's the UDF:
Code:
Function LetterCode(ByVal Numbers As String, Letters As String) As String
Dim X As Long
Numbers = Format(Numbers, "0.00") * 100
Letters = UCase(Right(Letters, 1) & Left(Letters, Len(Letters) - 1))
If Numbers Like "*0" Then Mid(Numbers, Len(Numbers)) = "Y"
[Code] ...
Also, where best to put this code, In a query or in a module.
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Nov 21, 2013
I'm trying to put together a DB for creating notifications to customers. The source file is pulled out from another system as an Excel file, which is then uploaded to Access via VBA. The user runs a query, and then sends the results (customer information) to an Excel file where we have set up a mail merge document (the notification itself).
A customer may appear in multiple records (having multiple accounts), but will only receive one notification.
What we're trying to do is give each notification an unique ID that will become its document reference number once the document is created. The number will need to be the same for all the records in which the customer appears, and they will need to be consecutive, as the documents themselves will be stored in PDF form later on in the process.
So I would like to assign an unique ID to each customer, each time it shows up when querying the uploaded source file (the query is done in a form, that has a sub-form for showing the results). Then, when exporting the query results, they will be also copied and stored to another table, along with the assigned reference number, for monitoring purposes.
The Access file itself will be split and used by multiple users (up to 9 users at a time). In theory, each user will see their own customers (each customer account is assigned to a certain user), but the number assignation will need to also depend on when the query has been run. For example, if user 1 queries the DB at 9:30AM they will get records numbered 1000 to 1050; user 2 (who queries the DB at 9:31AM) gets numbers 1051 to 2100 etc.
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Nov 2, 2013
I have 3 fields on a form PU_POINTS, SU_POINTS & 2_MILE_RUN_POINTS. The user enters a number 1-100 in each of these fields. If the user enters a number in any of the 3 fields of anything less than 60 then I want it to check a fail box. If the user enters all numbers 60 or more then i want it to check a pass box.
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Oct 6, 2014
I am using VBA to execute a 'Make Table' (named 'DT'). One of the fields in DT (named 'Dollars') contains numbers that have 6 to 8 digits; some are positive and some are negative.
These large numbers with no commas (or parentheses when they're negative) are incredibly hard to read.
Any VBA coding that will change both the "Format" and the "Decimal Place" Field Properties on the table I make (i.e. "DT"). I want to the Format property to read (#,##0.00;(#,##0.00)) and the Decimal Place property to read "2"). This will allow me to display a number like -10326786.41 as (10,326,786.41) which is incredibly more readable.
Is it possible to do this programmatically; I've search the internet high and low and could find anything remotely useful.
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