Modules & VBA :: How To Get Null And ISNULL Combine
Jul 28, 2015
I am using a frame on form to get report. Below is the code used to filter report.
Select Case Me.fraReportType.Value
Case 1
strReportType = "Like '*'"
Case 2
strReportType = " Is Null"
Case 3
strReportType = " Is Not Null"
End Select
The second and Third case is working fine. While the first condition is not working. This filter is on date field. There are three possibilities:
1. If we need all data
2. If we need is null data
3. If we need is not null data
How I can get the first condition using my code mentioned above.
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Nov 16, 2014
I do not understand what is happening here. I have foll0wing line in a calculated query field:
m: Switch([EmpID]<5,1) ' run Query 18 in attached example, A2007/2010
this produces 1 for all EmpID<5 and Null for all other EmpID's. All as expected.
But if I do this:
m: Switch([EmpID]<5,1,[EmpID]>=5,Null) ' run Query 19 in attached example
then the entire column is set to Null
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Jul 5, 2013
It might be an easy one but I just wasted the past hour deciphering through my code in order to solve the run-time error '94' that I'm getting when trying to execute the following code:
Code:
Private Sub cmdUpdateDates_Click()
'###################################
'This sub aims at combining the timesheet date and the start and end time into the fields [Start Time] and [End Time].
'###################################
Dim intCounter As Integer
intCounter = 0
Dim rs As ADODB.Recordset
[Code] ....
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Oct 21, 2013
I added to my database a button to ouput the data to PDF. It works as it should. We do print out the letters in paper and put a copy in the folder from the client (connected with the ID nr). From time to time we need to attach a PDF document to the letter and combine it. My question is now if it is possible to have some code to the button that when it finish the output to PDF it will combine all the PDF files that are in the folder and put it in a second folder. After that, I need to put the combined PDF in another folder.
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Aug 20, 2013
How do I combined multiple OR statements in conjunction with an AND statement as follows:
If [Len(Field1 & "")=0 OR Len(Field2 & "")=0] AND Field 3 = "Something" AND Field 4 = "Something" Then...
I thought there I had to use a | symbol but I am not exactly sure?
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Feb 27, 2014
We are a non-profit that does blind mailings for our membership drive.
The company who we buy names and addresses from sends us a delimited file that has these fields as the headings
" ID, FULLNAME,COMPANY, ADR1, ADR2, CITY, STATE, ZIP, FIPS"
Once they send out the mailings, people then send in back a remit slip with a contribution that gets scanned through a program that creates a file that gives us these titles
"ALT ID, AMOUNT PAID, RUN DATE, TENDER, FUND, PURPOSE, SOLICITATION, MEMBERSHIP QUESTION, MEMBER TYPE, CONSTITUENT TYPE, SEGMENT". The "ALT ID" and "ID" are the same in both tables.
I need to find a way to merge the tables and combine the fields that have the same ID # , and then have it create a csv file that reads like this (see below) for only the files of the people that responded so that I can import it into our membership software.
"Alt ID","Title","First Name","Middle Name","Last Name","Suffix","Address1","City","State","ZIP","ct y_code","Amount Paid","Run Date","Tender","Fund","Purpose","Solicitation","Me mbership Question","Member Type","Constituent Type","Segment"
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Jun 28, 2013
I created two functions to use when I'm pulling data using a query (QBE). I would like to combine the two into a 3rd Function that works like this:
BB_Only = DishNetActivityCode = 1 and VideoActivityCode = 0
Hybrid = DishNetActivityCode = 1 and VideoActivityCode = 1
V_Only = DishNetActivityCode = 0 and VideoActivityCode = 0
Function DishNetActivityCode(service_code_string As String) As Integer
Dim CodeArray, i As Integer
[Code] .....
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Mar 27, 2008
Hi,
simple question. i have an unbound textbox on a form that has its source as
=[field1]/100*17.5
when field1 is empty on loading, the textbox shows nothing.
when field1 has a value entered, it shows the value
when field1 is reset, the textbox shows #Error
( field1 is cleared by code - me![field1].value = "" )
how do i suppress this to show nothing? i have tried
=isnull([field1]="","",([Field1]/100*17.5) &
=isnull([field1]/100*17.5)
im not great with sql statements ( if thats what you call them )
any advice would be great.
nigel
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Jul 25, 2006
I am trying to insert a value in a field from an existing fields. I attached a sample of my database to show the query. In the NewProduct field I need "change of product" data to override the "product" data but if "change of product" is null/empty the "product" value should be in the NewProduct field. In other words the NewProduct field must take the value of either/or of the change of product or the product field. If
This is what I have so far:
NewProduct: IIf([Change to Product]<>[Product],[Change to Product],"")
Thanks in advance.
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Nov 27, 2006
I am trying to create a multiple IIF statement with IIF(ISNULL([xxx]) and an or and it does not work any help would be appreciated.
See below
IIf(IsNull([AI Rate]) or IIf([AI Rate]>0),0,1)
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Feb 18, 2008
I am trying to figure out a formula using the iif and isnull function.
I am doing an on time report that looks at the Date Received, Date Required, Ship Date, Todays date and a few other things.
The formula I am trying to work with is
DAYS WORK DONE IN: IIf(IsNull([SHIP_DATE]),[TODAY]-[REQUIRED]+1,[SHIP_DATE]-[RECEIVED]+1)
What I am trying to get it to do is if the ship is empty subtract the todays date from the required date and add 1. If the ship date has a date subtract the ship date from the received date and add 1.
When I run the query I just get #Error.
Is there an easier way to do this or do I just have an error in my code?
Thanks for your help
Mike
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Oct 27, 2005
I've been searching the forum for a while, so hopefully I haven't missed the answer to this one. It may sound like a small problem, but it's driving me mad.
I have a series of TextBoxes on a Form.
Two of these are named 'Department' and 'Shift'.
Originally, the ControlSource for the former was 'Department' and for the latter was 'Shift', both from the same source table.
All data was being displayed without any problems (any null values resulting in an empty field).
I altered the ControlSource on each to read:
=IIf(IsNull([Department]),"Unknown",[Department])
and
=IIf(IsNull([Shift]),"Unknown",[Shift])
The Shift field works as I'd hoped it would, but the Department field displays '#Error', whether there is a value or not.
I've tried deleting the problematic TextBox, then recreating it by copying and pasting from one that works (in case there was some setting I was missing). In this case, the only difference between the two is the source field, but given that using the source on it's own doesn't present any problems, I'm at a loss.
This same problem occurs on a small number of other Forms, as well as on certain Reports.
Any thoughts welcome.
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Jun 19, 2006
Hi guys,
I have a mod called EntryAge. It requires two arguments. A start date and an End date.
I'm trying to use it in a Query, but I am running into problems because there are times when the Start date and the end date are both Blank.
I've tried this nested statement and it keeps telling me. Contains invalid syntax or I need to enclose it in quotes.
I've copy and pasted my code below. Can someone please help me figure out what is wrong with this silly thing.
intSecondaryTime: EntryAge(IIF(ISNull([dtmSecondaryReceived]),0,[dtmSecondaryReceived])),(IIF(ISNull([dtmSecondaryComplete]),0,[dtmSecondaryComplete])))
What I am trying to say is if the received date is null make it 0 or use the date given, and if the complete date is null use 0 or use the complete date.
It then will perform the calculation that the Entry Date mod does.
If you want I can copy and past the Entry Date Mod. If that will help.
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Sep 27, 2005
Hi all,
I had a little problem with delete query. I would like to delete the records by checking two fields if both fields are empty. I mean if a records had both these fields are empty only. If one of the field has data , the record should stay there.. Is there any way I can do this?
Thanks in advance.
Thanks
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Aug 15, 2006
I have a query and it can be a null value if it is null I want it to return 1 if not null I want the calculation. This is what I have but it will not work.
Please help!!!
repo on sitePercent of copy jobs not rejected:IIF([Rejected Job Percentage]=0,1,(1-[Rejected Job Percentage])
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Mar 19, 2008
Basically i have a drop down that i want controlling the Criteria for each field in my query to have an advanced search. If i leave a field blank the query comes up with nothing so i tried this:IIf(IsNull([Forms]![Inventory Report Search]![Model]),Is Null,[Forms]![Inventory Report Search]![Model])this is not working. it is still returning the query blank. if i put valid critera in the dropdown it comes back Fine.how do i make is so if a field is blank it will return it as null or not even there.Note: also tried this;Forms]![Inventory Report Search]![Model] Or Forms]![Inventory Report Search]![Model] Is Nullworks, But comes back as too complex after a few searches and when i open the query there is a million or's in there. so that wont work.
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Oct 19, 2005
The below SQL gets it's criteria from a form but if the form has no Date1 and Date2 values I would like it to return all records.
I could not tinker it into submission. :confused:
Any pointers would be great.
SELECT [Central Western Region Database].[Date of Term], [Central Western Region Database].[Agent Number], [Central Western Region Database].[First Name], [Central Western Region Database].[Last Name], [Central Western Region Database].[District Name]
FROM [Central Western Region Database]
WHERE ((([Central Western Region Database].[Date of Term]) Between [Forms]![Compliance Lair Reporting]![Date1] And [Forms]![Compliance Lair Reporting]![Date2]) AND (([Central Western Region Database].Status)="inactive") AND (([Central Western Region Database].[Employee Type])="agent"))
ORDER BY [Central Western Region Database].[Date of Term];
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May 3, 2013
All using access 2010. I have a query1, query2 and query3. Query1 is my master. Query2 and Query3 was created based on different criteria but derived from the Query1. I now want to exclude the records from Query1 that are in Query2 and Query3. When I try to put isnull in criteria of both queries Im trying to exclude; instead of returning the remainder records in the master I get none.
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Jun 15, 2005
I am using the QBE grid and am writing a select query to select only records with an empty Date Closed Field. The Date Closed field is a Date/Time Field. I am using Access 2003. When I use in the criteria IsNull([DateClosed]) I do not get any records selected which have an empty Date Closed field, have I a bug? and if so please could anyone point me in the right direction.
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Nov 27, 2013
I have a form with cascading combo boxes pulling from a table. They work perfectly, no worries. My problem now is if I do not enter information in every combo box (i.e. only two out of four combo boxes), how can I still run the query and get the appropriate information?
For example (these are my combo box titles in order):
Product
Type
Customer
Contract #
I don't want to necessarily look by Contract # all the time, but sometimes just by the general Product and Type to get a larger view. How do I set up expressions/criteria in my query to accurately produce that information? Right now it just produces a blank query table if I don't fill out all the boxes.
I've tried a couple of expressions with "isnull" criteria, but I must be doing it incorrectly.
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Nov 10, 2014
Is there a code that will replace the empty fields by shifting the bottom fields up for access? I am planning to write a code that will delete unnecessary items in my database, however, that will cause the database to have "holes" in it.
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Apr 30, 2015
I'd like to put a WHERE clause where I confont the date in an unbound textbox with the date in the table. In vba I control the null case of the unbound textbox, but I'm not sure how to control the null value in the sql code.here is the code "strDataRiferiment" that I later insert in a concatenated SQL code. The rest of the code works, while this line doesn't. The problem are the null date records present in the table COMMESSE.What I'd like is a WHERE clause that:
- returns records with all null date values and
- returns records with not null values where these dates are < date chosen in the unbound textbox
Code:
Select Case Nz(Me.InizioDataRif.Value, "Null") 'the unbound textbox
Case "Null"
strDataRiferimento = "AND (([if is not null] COMMESSE.DataChiusura =< #" & Format(Me.FineDataRif, "mm/dd/yyyy") & "#) OR (COMMESSE.DataChiusura IS NULL)) "
Case 'etc
'etc..
end select
I tried for example:
Code:
"AND ( IFF ((COMMESSE.DataChiusura,0) IS NOT NULL,
(COMMESSE.DataChiusura,0) =< #" & Format(Me.FineDataRif, "mm/dd/yyyy") & "#) , (COMMESSE.DataChiusura) IS NULL) )) "
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Jan 21, 2015
I have the following simple variable assignment...
Dim PolRef As String
Let PolRef = Me.Policy_Ref_Num
But when I run my code I get "Invalid Use of Null" and PolRef is set to ""
This field is populated however, so I'm confused to why I cant set my variable to it.
If I don't use a variable and simply have let XXX = me.Me.Policy_Ref_Num then it still wont return the value from the field.
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Sep 22, 2013
Windows vista
Access 2007
I can't seem to figure out how to test a combo box null value.I try:
Code:
If IsNull(Me.cboManufacturer) Then
MsgBox ("Please select category")
Else
DoCmd.OpenReport "rptItemCategory", acViewPreview
End If
This works if the combo box IS NOT NULL, but if null it gives me:
PHP Code:
Run-time error '3071': This expression is typed incorrectly, or it is too complex to be evaluated.
For example, a numeric expression may contain too many complicated elements.
Try simplifying the expression by assigning parts of the expression to variables.
I then tried:
Code:
If IsNull(Me.cboManufacturer.Column(0)) Then
MsgBox ("Please select category")
Else
DoCmd.OpenReport "rptItemCategory", acViewPreview
End If
This works if the combo box IS NULL but if i've made a selection, it still gives me the message box as if I've selected nothing....
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Jul 15, 2013
How to resolve error 94 in the following code:
Private Sub Form_Current()
Dim strTime As String
Dim strHour As String
Dim strMinute As String
If (CollectionTime.Value) = "" Then
MsgBox CollectionTime
[Code] .....
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Aug 15, 2015
I am trying to run this code but getting a run time error 94 - null value - when it shouldn't be.I am thinking I have written the Dlookup incorrectly?
Code:
Private Sub txtProductName_Click()
Dim iProdType As Integer
Dim ProductID As Integer
iProdType = DLookup("ProductTypeID", "tblProduct", "ProductID" = Forms![frmBooking]![cboProductID].[Value])
Note ProductID in an integer
How can I diagnose this or what could the solution be?
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