How Do I Correctly Reference A VBA Public Function In A Query?
Jan 14, 2008
Hi all,
I'm trying to get a public function to work within the design view of a query. The function is defined as:
Public Function Percentile_(fldName As String, _
tblName As String, p As Double, _
Optional strWHERE As String = "") _
As Double... ( I can put the whole code if u need it)
Any thoughts about how I can make the Percentile function calculate values according to a GroupBy statement and not for whole data set?
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Oct 29, 2007
Hi All
I have used Allen Browne's code (see http://allenbrowne.com/ser-16.html, bottom of page) as a model for my user-defined type and public function in an events management database.
Using the function in forms/VBA works fine.
But my DB crashes whenever I try to use it in a query.
My modules code:
= = =
Option Compare Database
Public Type EvCheks
EvType As String
EvAttCat As String
EvUnitAss As String
EvCheksAll As String
End Type
= =
Public Function getEvCheks(EV, EvUnit) as EvCheks
'Event Type: Event or DL
If (DLookup("evtype", "tblevents", "[evid] = " & EV)) = "Event" Then
getEvCheks.EvType = "Y"
Else: getEvCheks.EvType = "N"
End If
'Event Attendance Category: INDB= in database or LIST
If (DLookup("evattcat", "tblevents", "[evid] = " & EV)) = "INDB" Then
getEvCheks.EvAttCat = "Y"
Else: getEvCheks.EvAttCat = "N"
End If
'Event Assessing Organisation
Dim AOROName As String
Dim AOName As String
AOROName = DLookup("evunitassessable", "tblevunits", "[evunitid] = " & EvUnit)
AOName = Mid([AOROName], 1, InStr([AOROName], "/") - 1)
Select Case AOName
Case "NA"
getEvCheks.EvUnitAss = "N"
Case "ABCD"
getEvCheks.EvUnitAss = "Y"
Case Else
getEvCheks.EvUnitAss = "X"
End Select
getEvCheks.EvCheksAll = getEvCheks.EvType & getEvCheks.EvAttCat & getEvCheks.EvUnitAss
End Function
====
On a form, I have a button with on-click event code that defines the EV and EVU variables and displays a message box
MsgBox getEvCheks(EV, EVU).EvCheksAll
This works fine.
=====
In a query I have this SQL code:
SELECT tblEvUnits.EvId, tblEvUnits.EvUnitID, getevcheks([evid],[evunitid]) AS EventDetails
FROM tblEvUnits;
This causes the db to crash.
I cannot get the "back-end" definition of the function into the query, as Access rejects it because of the dot, i.e. ".EvCheksAll".
I suspect there is some formatting quirk for using a public function that includes a user-defined type, in a query.
Any/all assistance much appreciated.
Regards
AlanM
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Sep 17, 2013
I created a Public Function called fNetWorkDays in my access database, however, when I try to use it in an expression I get "Undefined function 'fNetWorkDays' in expression". The Public Function is in a standard Module in my vba project. Why I cannot call it in my queries?
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Feb 26, 2014
I am using a public function to feed a variable string to a query. So far I have got:
Code:
Public Function ClientStreetModule(firstLVar As Variant, streetVar As Variant, newFL As Variant) As String
Dim cslStr1 As String, newStreet As String
newStreet = Right(streetVar, Len(streetVar) - Len(newFL))
[code]....
However, I only need to use newStreet as the true part of iif, in which instance all are longer. At least I think this is the problem. I realise I might need to use NZ but am not sure how. Why it is evaluating and giving errors for all records and not just when the iif criteria is true as I want it to?
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Apr 5, 2008
I'm new to VB and am learing slowly with all your great help in this forum.
I'm wondering if its possible to write a Public Function for vbCRLF. I have a field in multiple forms that are all named 'Note'. If I have the following code:
Public Function PubNoteLF()
On Error GoTo PubNoteLF_Err
My!Note = My!Note & vbCrLf
PubNoteLF_Exit
Exit Function
PubNoteLF_Err
MsgBox Error$
Resume PubNoteLF_Exit
End Function
When I run the code I get Compile Error: 'Sub or function not defined.'
Can someone tell me what I'm doing wrong? Its problably something real basic, but I'm stumped. Thanks.
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Oct 2, 2004
I haev a report with 15 sub reports. I have to use Visual Basic to format the sub reports. I know how to do the formatting (see below) but what I would like to do is have one function (Public) that I can pass the subReport name to and have the formatting happen. This would be mush easier to maintain than copying the code below into on_print events of all 15 sub reports.
Has anyone done this and have an example??
Thanks
--------------------------------------------------------------------------------------
Private Sub GroupHeader0_Print(Cancel As Integer, PrintCount As Integer)
Dim widthOfBox, startLeftSide
startLeftSide = 0.017
widthOfBox = 0.21
Me.ScaleMode = 1
Me.ForeColor = 0
'Repeat the following line of code for each vertical line
' 1*1440 represents 1 inch
' Me.Line (0 * 1440, 0)-(0 * 1440, 14400) 'Draws line at Left Margin
Me.Line ((startLeftSide * 1440) + widthOfBox * 0 * 1440, 0)-((startLeftSide * 1440) + widthOfBox * 0 * 1440, 14400) 'Draws line at Left Margin
Me.Line ((startLeftSide * 1440) + widthOfBox * 1 * 1440, 0)-((startLeftSide * 1440) + widthOfBox * 1 * 1440, 14400) ' Draws next line
Me.Line ((startLeftSide * 1440) + widthOfBox * 2 * 1440, 0)-((startLeftSide * 1440) + widthOfBox * 2 * 1440, 14400) ' Draws next line
Me.Line ((startLeftSide * 1440) + widthOfBox * 3 * 1440, 0)-((startLeftSide * 1440) + widthOfBox * 3 * 1440, 14400) ' Draws next line
Me.Line ((startLeftSide * 1440) + widthOfBox * 4 * 1440, 0)-((startLeftSide * 1440) + widthOfBox * 4 * 1440, 14400) ' Draws next line
'the 14400 is an arbitrary number to increase the line to the max of a
'section.
End Sub
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Feb 13, 2015
I have a query that I'm working on through Access 2010's design view. I'd like to add a criteria to the query where it only shows results with the employee name column matching a global variable I created that stores the name of the currently logged in employee.
Here's my vba code that declares the global variable and the public function i'm trying to pass as criteria in the query:
Global gbl_loginName As String
Public Function returnName() As String
If IsNull(gbl_loginName) Then
returnName = "test" ' dummy account created for development only
Else
returnName = gbl_loginName
End If
End Function
and here's the SQL code from Access's design view:
SELECT [Entry of Hours].WC, [Entry of Hours].[Employee Name],
[Entry of Hours].[Set Up Time], [Entry of Hours].[Run time],
[Entry of Hours].[Traveler Number], [Entry of Hours].[Entry Date],
[Entry of Hours].[Quantity Finished], [Entry of Hours].Notes, [Entry of Hours].WPS,
[Code] ....
when I try running the query, however, I get this error:
'returnName' is not a recognized built-in function name
Is there a problem with using public functions in Access' design view?
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Oct 4, 2013
I am trying to read the value of a control on an open form from a Public Function in a Module with no luck. I suspect the issue is syntax.
Code:
Public Function MyFunction(varFormName As String, varControlName As String)
If Forms(varFormName).Controls(varControlName) = True Then ' = 0 even when control is -1
Else
End If
End Function
The variables pass through fine but the If statement equals zero regardless of the state of the form's control. I tried several variations to no avail.
If Forms(varFormName).Form.Controls(varContactControl ) = True Then
If Forms(varFormName)!Form.Controls(varContactControl ) = True Then
Etc.
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Jun 4, 2014
I have an issue with this case select below. The DelayStart is time so lets say I put in the debug window
?DatePart("h", #04:00pm#)
The result would be 16 which is correct BUT the issue is my second shift starts at 04:01pm and the result is still 16 untill 5pm. How do I fix this so I get the correct shifts? Im guesing use something other than DatePart but what?
'Daylight 6:00am - 4:00pm
'Afternoon 4:00pm - 2:00am
'Midnight 2:00am - 6:00am
Code:
Public Function getShiftForRecord(DelayStart As Variant)
On Error Resume Next
Select Case DatePart("h", DelayStart)
Case 6 To 16 'Daylight 6:00am - 4:00pm
[Code] ....
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Jan 23, 2014
I have built an access application that contains a set of buttons along the top of every form that serve as navigation.* These buttons each perform the same function on every form they are on. (menu opens the main menu, etc) I have database macros to assign each button the same function but I still have to go through each form and manually assign them. I was wondering if it was possible to define a public function that on db open will look for all buttons with a certain name and assign them the macro. (so all buttons called cmdmainmenu will have the OpenMainMenu macro assigned and so on).Before you go there, I have already tried the navigation form and set all forms as subforms.
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Sep 23, 2014
Question for Documentation purpose: Should the Public Type be declared in its own module?
Or should it be declared in a standard module where non-public functions use it? It is not for a Form module use.
For a Rule Engine, a function is calling one record on 4 different SQL Views (as linked tables) that have the same field format.
For speed, the recordset should only be opened once. However, there are multiple values that must be returned to the result table multiple fields.
One way to return multiple values is an Array. That has over head too.
Another way is to create multiple public variables. Not my choice for documentation. Another is to create a string.
This is a pure code module with several non public functions / subs. What is the documentation preference? List a Public Type close to the function, or place it in the Global module?
Background: A function can only have one return value.
By creating a public Type, multiple values can be returned.
Code:
Public Type Income
Wages As Currency
Dividends As Currency
Other As Currency
Total As Currency
End Type
Use this structure as the return type for a function. In a real situation, the function would look up your database tables to get the values, but the return values would be assigned like this:
Code:
Function GetIncome() As Income
GetIncome.Wages = 950
GetIncome.Dividends = 570
GetIncome.Other = 52
GetIncome.Total = GetIncome.Wages + GetIncome.Dividends + GetIncome.Other
End Function
To use the function, you could type into the Immediate Window:
GetIncome().Wages
(Note: the use of "Public" in the Type declaration gives it sufficient scope.)
Important Notice The way this function is called will work, but is wrong from the aspect it re-calls the recordset over and over.
See the proper way to use it submitted below.
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Oct 22, 2013
I am designing a Public Function F()
I want this function to populate value from a any field selected from any table to any text box in any form ...... Lets say in a Database named TestDB we have a Table named tblTest , a Form named frmTest and in this form( frmTest ) we have one Bound Combo Box named cmbTest and one unbound TextBox named txtTest
We assume that the table tblTest has three fields : TestID , FName and LName .
We also assume that there are already some records in the Table tblTest .
If the function F() is already programmed it should take as arguments as it follows :
F(FormName as??? ,ControlName as ???, TableName as ???, FieldName as ???, ID_Field_Name_of_the_Table as ???, Combo_box_selected_ID as ???)
In result the function should (probably) DLookup (FieldName , TableName , ID_Field_Name_of_the_Table = Combo_box_selected_ID ) and then store the value in a variable ( probably Variant ???) , lets say called varSetValue.
The problem is IF this is the correct way to handle that issue , than what should i do next.... I really don't know how to pass a Control's name to a function from the Event module of the ComboBox -
I mean - how can I obtain the value so it is usable for the function .... What data type should be the function arguments so I can use them to set a value for a control in any form .
In example : If the Dlookup() is somehow successfull then I want to assign the varSetValue to the txtTest what should I do : FormName.ControlName.Value = varSetValue >??????
I have read a lot materials but couldn't find a good answer for that , and aswell what data type should be the arguments that the function accepts and how do I obtain Controls and Forms names so I could use them in the function as described above .
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Nov 13, 2014
I have created a Public Function that would get a new Production Instructions number based off the [PI Number] of Tbl_Production_Instruction table.
I have a form that people will put in all information but the PI Number, then when ready they will click a button to update the PI Number. I place an unbound txtbox that will be hidden, with the control source to =NewPINum(), but when I tested the see if the unbound txtbox was populated with the new PI Number it was blank.can't figure out what I am doing wrong.
Code:
Public Function NewPINum() As String
Dim vNum As String
Dim strYYMM As String
Dim getnextPI As String
strYYMM = Format(Date, "yy") & "-" & Format(Date, "mm") & "-"
If strYYMM = Left(DMax("[PI Number]", "Tbl_Production_Instruction"), 6) Then
vNum = Right(DMax("[PI Number]", "Tbl_Production_Instruction"), 3) vNum = vNum + 1 getnextPI = Format(Date, "yy") & "-" & Format(Date, "mm") & "-" & Format(vNum, "000")Else
vNum = "001" getnextPI = Format(Date, "yy") & "-" & Format(Date, "mm") & "-" & Format(vNum, "000")
End If
End Function
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Oct 1, 2004
I hope someone else has had this problem and can help with this.
I recently gave a user an update to the DB I developed for them. It is a split DB. He has been testing the New Interface DB against a copy of the Orginal Data DB (like our standard process entails). In the process of his testing when he tried running a process that had an Update SQl statement the following error was generated
"Function is not available in expression in table - level validations expression"
The error message only affect this ONE linked table (all other tables are fine) and I have no problem running the statement against the Actual table in the Data DB. It only booms out when ran in the Interface. I checked the rights and nothing is out a place. I can't change any data in this linked table, but can change anything I want in the actual table.
In the process of trying to troubleshoot this problem I stumbled across a equally baffling problem. None of the queries that use the built in functions work. They all error out, as if a library was missing. I checked the libraries and the are all present (none are missing).
The Orginal program, which uses the same libaries is stilling working fine, so I don't believe the actual dlls got corrupted. The program works fines for at my location, and appears to work fine everywhere else they have tested. They are going to test it on a few more workstations, but I anticipate the same results, it will work.
Suggestions??
S-
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Dec 23, 2013
I have the following function that I found online. Unfortunately I can't remember where I got it since I've had it for a little while. Today, when I tried to actually put it to use it didn't work.
I'm calling it from a form as follows: CompactDB (tblHotword)
tblHotword is just a random table from the back end. My understanding of the function was that it would use that table to connect and get the file name of the back end.
Whenever I run it, Access pops up a window that says "Object required" and nothing else. It doesn't look like a standard error message popup. When I click 'OK', Access continues with the rest of the code as if nothing went wrong. The function doesn't run though.
Code:
Public Function CompactDB(TableName As String) As Boolean
On Error GoTo Err_CompactDB
Dim stFileName
DoCmd.Hourglass True
stFileName = db.TableDefs(TableName).Connect
[code]....
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Jun 11, 2013
I have multiple reports that use similar IIF statements as the controlsource for four textboxes. Naturally, I don't want to have to update twelve controlsources if any of the calculations change, so I thought I'd make this a public function. However, I don't know how to pass along multiple textboxes as variables. Here's what I have so far:
Code:
Option Compare Database
Public Function txtColor(ByRef textbox As Control)
Dim str1, str2, str3, str4 As String
'The IIf statement is simplified for this example. It's not important.
str1 = "=IIf(IsNull([Inquiry start date]),'W',IIf([txtInquiry]<1 And IsNull([Inquiry end date]),'R'))"
[Code] ....
And this is in the report (where ??? is what I'm asking about)
Code:
Private Sub Report_Load()
Call txtColor(???)
End Sub
The error I get is "Runtime 424 Object Required"
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May 31, 2014
I have a table with only two fields and one record: BegDate and EndDate (beginning and end date of the reporting period respectively). I also made a function with variables that look up those values for use as a date parameter in a query.
Here is the code:
Option Compare Database
Option Explicit
Public Function getCurrentRepDates() As Date
Dim dtBegDate As Date
dtBegDate = DLookup("BegDate", "tblCurrentRepDates")
[Code] ....
I am getting a syntax error for the line marked red. How can I use "Between" function in VBA code? Access 2010
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Oct 10, 2013
I have a query
Code:
Select distinct [tbl_DTP/CTP].id_zlecenia, [tbl_DTP/CTP].Folia_na_lakier_UV, [tbl_DTP/CTP].Wykrojnik, [tbl_DTP/CTP].Makieta, [tbl_DTP/CTP].Matryca_do_tloczenia, [tbl_DTP/CTP].Matryca_do_zlocenia, [tbl_DTP/CTP].kalka, tblGoraZleceniaRoboczeLaczenie.NumerZlecenia from [tbl_DTP/CTP] inner join tblGoraZleceniaRoboczeLaczenie on [tbl_DTP/CTP].id_zlecenia = tblGoraZleceniaRoboczeLaczenie.NumerZlecenia where tblGoraZleceniaRoboczeLaczenie.NumerZlecenia = r1;
Where "r1" is a public variable as string.The variable has value e.g. "10/145" But query can't get this value and all the time ask about value from "r1" :/
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Sep 26, 2006
Hi all,
I have a query that I have an expression in that is returning a text value instead of a number value. The field in my table is a number value but when I use the expression it returns it as text. I have done several searched but can't seem to find anything that matches formatting an expression as a number. Here is the expression I am using, the reason I am using it is because I need to return a zero if no records matched the criteria.
total: Nz(Sum([act_hours]),0)
Thanks
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Nov 17, 2004
I have a field in my DB called "Category". Users are allowed to imput any text in that field. I have a particular problem in which the LIKE command isn't working as I think it should with the limited help files of Access explanation of use. The category field has multiple entries, for example - HEQ, PBH5, PBH4, SWA, SWA2, ALL - etc. I'm trying to pull the records from that field with specifics.... in other words I may need to get All the records that have "PBH5" in them. However, if if PBH5 isn't the FIRST entry in that field the LIKE criteria doesn't work. I have tried Like "PBH5*" LIke "PBH4* etc to no avail. Any ideas? It can't be that difficult, but I cannot find anything in any book I've purchased on it, or any of the knowledge base information at Microsoft.com.
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Sep 17, 2013
I have a table that gets updated by a query(For Invoices).When I query that Invoice table for the last record, I do not get the last one written. It stops at number 12. I am using the Totals option with Invoice number field and setting to "Last".is there another way I can get the last record to query correctly. I am trying to populate an invoice report.
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Sep 26, 2007
I have a table with data that is similar to this:
HCP1 DATE (Fields)
-.1 7/19/2007
-.2 6/14/2007
0 9/9/2007
1.2 4/23/2006
-.3 4/4/2007
2.4 3/7/2007
0 2/5/2006
1.1 2/6/2007
Etc. There are 0's, negative numbers and postive numbers. Some with at least one decimal point. I am trying to sort the data by the highest number in HCP1 field. When I run the query in Access it looks great. But when run through ASP on the server it is only giving me the negative numbers, no 0's no positve numbers. It would return -.1 in this sample data as the first record.
Anyone know what might be going wrong on the server side of things. The query statement looks the same on both sides. (server and access)
Thanks for any help.
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Oct 11, 2004
When I open one of my tables or queries and look at the customer Id, the displayed info is a single digit. On my customers table my primary key is the customer Id with auto number with the format like this: "ID"000. This is great however, when you look up the customer id in other tables it only displayes the single digit. I want it to show up like ID001 or ID002. In the customers tables it looks just like that, but if you click in that cell/field it takes away the ID and just shows the 001 or 002. I changed the format in my other tables under customer id to "ID000" but that didn't seem to make a difference. I would like to be able to do a search lets say by customer ID in one of my products table and when I type ID005 or ID012 it takes me to those records. But right now I would have to enter 5 or 12. Datatype in my other tables on field customer ID is set to text. Do I have to do a validation rule? How can I get it to show up the way I want it?
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Dec 11, 2013
So basically I need making a function that will count the number of records from another table/query based on a field from the current query.
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Apr 6, 2005
I have a form bound to a query. The query result has a field that I would like to reference, however I do not want the field on my form. Is there a way to reference a field in the query results that is not on the form?
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Jul 19, 2006
Hey Guys!
I have a problem concerning the ability to make a reference to another column in the same query.
I have two columns. Column 1 works perfectly, but in column 2 I want the outcome of column1 (coachingdato1) inserted instead of #17-07-2006#.
How is that done???
Thanks in advance!
//JR
Column1:
coachingdato1: (SELECT Max(coaching.dato) FROM coaching WHERE sælgerdata.sælgernr = coaching.sælgernr)
Column2:
coaching1: (SELECT coaching.[1] FROM coaching WHERE sælgerdata.sælgernr = coaching.sælgernr AND #17-07-2006# = coaching.dato)
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