Reports :: Invalid Use Of Null Error On Loading Report
Jun 5, 2014
I am developing a database for my company which will produce reports based on data entered on various forms.
When the report opens, I would like its name to dynamically change to include the site, the client and their reference number. Although I know very little VBA, from searching this and other forums I have managed to get this to work on other forms.
On a different form, I have managed this by giving the form the caption "Caption" and then running the following code on load:
Reports("ItemisedQuoteFromQuoteFromViewSalesEnquiryFromSearch").Caption = "Our Quotation Ref: " & [StaffInitials] & "/" & [QuoteEnteredBy] & "/" & [QuotesJobsSalesEnquiryRecordNumber] & " - " & [ClientDetailsName] & " reference " & [JobsClientJobNumber]
Which will give the report a title along the lines of: "Our Quotation Ref: AB/CD/123456 - Client Name reference 987654".
On the report I am struggling with the code is:
Reports("MWUPropertyAssessment").Caption = "Property Assessment for " & [SiteDetailsAddressLine1] & ", " & [ClientDetailsName] & " reference: " & [PropertyAssessmentClientJobNumber]
However all this produces is "Property Assessment for , reference". If I try entering just "[SiteDetailsAddressLine1]", "[ClientDetailsName]" or "[PropertyAssessmentClientJobNumber]" I receive an Invalid use of Null error message.
If I create text boxes on the report for [SiteDetailsAddressLine1], [ClientDetailsName] and [PropertyAssessmentClientJobNumber] they are filled with the correct information so I know that these fields are not blank.
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Dec 12, 2007
The following query runs without issues.
SELECT Payment_Mth, CDate(Payment_mth) AS Expr1
FROM Table1
WHERE (((Payment_Mth) Is Not Null
And (Payment_Mth)<>"Does not apply"
And (Payment_Mth)<>""));
I get a set of data along the following lines
September 2007 01/09/2007
October 2007 01/10/2007
September 2007 01/09/2007
etc.
which is what I want.
However, when I try to filter to show only a particular date, I get an error
SELECT Payment_Mth, CDate(Payment_mth) AS Expr1
FROM Table1
WHERE (((Payment_Mth) Is Not Null
And (Payment_Mth)<>"Does not apply"
And (NBReferral.Payment_Mth)<>"")
AND ((CDate(Payment_mth))=#01/10/2007#));
An 'Invalid use of Null' message is displayed.
What am I missing, here?:confused:
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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 11, 2014
The basic idea is that I need to insert a record into a table and then return the Key field so that I can use it to populate another table. This was working just fine for a while, then it stopped and naturally I can't think of anything I did to make it not work. I get an Invalid Use of Null error at the bolded step.
Dim SQL As String
Dim SpecID As Long
Dim VerifySpec As Variant
' Check for empty strings
If Len(Me.txtNewPartNumber & vbNullString) = 0 Then
Response = MsgBox("Part Number cannot be blank.", vbExclamation, "Missing Data")
Exit Sub
End If
[code]....
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Oct 9, 2013
I have found the error leads to this line but how can i stop the error?
Run-time error '94': Invalid use of Null.
Option Compare Database
Option Explicit
Dim Msg As VbMsgBoxResult
Dim StartText As Long
Dim TextToFind As String
Dim TextToBeSearched As String
Private Sub Form_Current()
[code]...
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Jun 16, 2013
The following code works fine until it gets to last record, then it give me Error # 94 Invalid use of null. I have searched all of my code and null is not in the code.
Code:
'--------------------------------------------------------
' Goes to next record
'---------------------------------------------------------
Private Sub cmdNext_Click()
On Error GoTo err_handler
' DoCmd.GoToControl (txtNameL)
' DoCmd.GoToRecord , , acNext
[Code] .....
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Sep 2, 2013
i have these code to auto generate member number but the highlighted line generate error 94 - invalid use of NULL:
Private Sub cmdGetNumb_Click()
'On click of button a new Member Number is generated and
'focus is moved to tFName field.
Me![nMembNum] = NewMembNum()
Me![tFName].SetFocus
'Prevent accidental click
Me![cmdGetNumb].Enabled = False
[Code] ....
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Nov 4, 2013
I am using Access 2007 and are a newbie.
I am using the following code (Sendobject) to create a PDF of a report and send it via email to a customer's email address.
Private Sub EmailWorkOrderQuote_Click()
On Error GoTo Err_EmailWorkOrderQuote_Click
Dim stDocName As String
Dim mFilename As String
Dim mEmailAddress As String
[Code] ....
It works fine except that the I want to to able to utilize the ability to send the email with either both the CC and BCC or either or neither as well.
I have a table called "My Company Information" that contains the email addresses for the CC and BCC. If I have values in these fields, everything works great! If I have no values in either of these fields, I get "Invalid use of Null"....
I want to be able to use either both CC and BCC, either CC or BCC, or neither used and it still work.
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Nov 18, 2013
I am struggling trying to execute a function inside a Form_current event to display some stats.
The Function is this:
Code:
Function FlightsByAircraft(Aircraft As Long) As Long
Dim rst As DAO.Recordset
Dim dbs As DAO.Database
Dim str As String
str = "SELECT * FROM tblFlights WHERE AircraftID = " & Aircraft
[Code] ....
The code for the Form_Current event is this:
Private Sub Form_Current()
txtStats1 = FlightsByAircraft(Me.AircraftID)
Very simple. Well, the problem is when I move to a new record, a error message comes up: "Run-time error '94' - Invalid use of Null". It is because the AircraftID is not populated at that time. I tried to insert in the function code something like that:
Code:
If IsNull(Aircraft) then
exit function
else
.... (the DAO.Recordset code)
but it doesn't work.
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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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Nov 16, 2006
Hi, I have some problem with assigmnet with date and string variable. what i wana do is get data from Forms textboxes into variable and then by insert query send to history table.
the problem occurs when there is blank textbox its says invalid use of null.
e.g
myStringVariable = Forms!myform!EmpName
myDateVariable = Forms!myform!EmpDOB
this code is behind the update button which i press when ever i want to shift data to History table
so when the fields are empty the invalid use of null error arrise
any idea how to handle this null specially in date
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Aug 20, 2014
I am very new to access. I have made a database that holds certain company information.
As part of a process a company must fill in and complete form and send to me and once they have I enter a 'yes' to the form and then link directly to said form.
I am wanting to be able to run a report to be able to only see the companies where a certain field has not been filled in.
For example I have a field for doc 698, if I have had this form back I enter a yes in this field, if I havent had this back I leave it blank and these blanks are what I want to pull off in the report.
I have made queries and then just filtered to show blanks but I would like to have in report form.
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Oct 31, 2013
i have been trying to figure out how to make a textbox if it is null to be invisible on a report.
I selected the detail section on the report, under the Event tab, On Format option then selected [Event Procedure] and then clicked on the ellipses.
Tbl_Receipt_Description is the name of the text box.
*******************************************
If Me.Tbl_Receipt_Description = " " then
Me.Tbl_Receipt_Description.Visible = False
Else
Me.Tbl_Receipt_Description.Visible = True
End If
*******************************************
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Dec 29, 2014
I have a report based on a query with 3 fields (Tested, RMA, OpenRMA). The query searches all the tables in my database and gives me a count of the equipment tested, RMA reported and open rma.
The report has two fields (Equipment, NumberTested) with a total below and also a total of the RMAs and OpenRMAs. I'm trying to hide RMAs and OpenRMAs from appearing in the body and only showing below the total. All three totals are showing correctly, but I am still seeing RMA and Open RMA with a null in the count in the body.
So in the report's Equipment.control I wanted to put
Iif([NumberTested] is null, null, [Equipment])
Meaning if the numbertested field is null the equipment field will be blank, if it is not just leave what is in the equipment field there, but it returns a #Error in the printout. It seems to handle the two null records correctly. Trying Equipment.Value also returned the same error.
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Mar 30, 2013
I need to validate if a Field in my table is NULL, details of which will not be included in my report.
I attached sample report wherein the data is sorted by EXPIRATION DATE, first rows displayed the data of NULL EXPIRATION DATE FIELD ...
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Mar 6, 2008
I did a quick search and really didn't find anything related to this. Though, I'm sure it's pry happened before.
I have started work on a new front end and have several linked tables to our back end. As well as copies of them for the purpose of the front end. On load the backend tables update the front ends tables, and on exit the front end tables append/update the back end tables.
I began work on a data entry form for fields residing in the front end tables and found that when I attempted to make a command button for the purpose of record navigation I received the error "Invalid Use of Null" and all of my options were empty (Concerning the control functions) and everytime I changed action categories i recieve the same error.
Also, I tried to work around it with a combo box for searching, only I don't have the option available to make it search.
So . . . I tried to circumvent with an unbound text box that performed a macro searchforrecord but I receive and error that the table I'm search within is not open.
Any clues would be great, any fix would be immaculate. I'm a bit flabbergasted.
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Jun 24, 2005
I have a left-join query where I know that some of the values in the left-hand table have no corresponding values in the right-hand table...that's why I used a left-join: I want all the values in the left-hand table to show up. I would expect that records without corresponding values in the right-hand table would show up as nulls (I swear I have dozens of other queries that work this way) but in this one, they show up as "#error" instead.
This is a problem because I want to do some calculations on this field. Normally I would use the nz function to change the nulls to zeros.
So,
1. Any idea why this is happening?
2. Is there a way to change the #error values to zeroes, similar to using the nz function?
HEre's the SQL:
SELECT FeederInventorySummary.machine, FeederInventorySummary.Size, FeederInventorySummary.Leaf, FeederInventorySummary.Type, FeederInventorySummary.CountOfFeederID, FeederNeedsSummary_7.FeederQty
FROM FeederInventorySummary LEFT JOIN FeederNeedsSummary_7 ON (FeederInventorySummary.Type = FeederNeedsSummary_7.Type) AND (FeederInventorySummary.Leaf = FeederNeedsSummary_7.Leaf) AND (FeederInventorySummary.Size = FeederNeedsSummary_7.FeederSize) AND (FeederInventorySummary.machine = FeederNeedsSummary_7.ActualMachine);
For every record without a corresponding record in FeederInventorySummary_7, the FeederQty field shows up as #error.
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Jun 19, 2005
I have a form that runs a simple macro. The problem is I'm getting the "Invalid Use Of Null" error becuase some of the fields are empty. There are 12 fields....one for each month. I know there's a way to use the nz function but I do not know how and where to apply it for each field.
example:
quantity month total price
10 jan: $3548.00
feb:
10 mar: $3548.00
The Macro calculates the totals for the year.
Thanks in advance
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Mar 17, 2006
Hi all,
I've got this line of code under my form_current() envent (frmEmails)
str2 = Forms!frmMain!txtSQL.Value
but when I start the DB I get the Invalid use of Null error,
now, it seems that I need to define my txtSQL.value = "" but am not sure where. I've tried under frmMain_load event but it seems that's not the right spot...
is it problem that I had put that code on form_current() or is that OK and I just need to define my txtSQL.valuse somewhere else.
thanks a lot
D
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Sep 12, 2006
Hi,
I have some code that runs on Form_Load()
It basically uses a case statement to say if a value in a combo box equals one set of values then make somethings visible and invisible, and for all other values make some other things visible and invisible.
The problem I have is that I have defined the variable as a String and if the combo box does not yet have a value when it loads, which is quite likely then it will return an error - "Invalid Use of Null".
Can anyone help to see any way around this?
Thanks,
Dan
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Dec 15, 2005
I have an unbound form with unbound controls that I am using for data-entry.
One of the controls, bEntry, is a checkbox. I have tried setting the default value to both false and to 0. Somehow, it doesn't take and so remains Null.
I have the following code running as part of the save routine. It gives me an "invalid use of null" whenever it reaches the highlighted text
Code:Dim Entry_B As ByteDim EntryCheckbox As BooleanEntryCheckbox = Me.bEntry.ValueIf EntryCheckbox = True ThenEntry_B = "1"ElseEntry_B = "0"End If
I have also tried changing it to say
If Me.bEntry.Value < 1 Then
etc.
but that hasn't worked either.
Any ideas?
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Jan 6, 2006
Why can I not insert a null value at : rec("Outlet_ID") = hyphenit(rec("Outlet_ID")) in the code.
It throws a run-time error 94. invalid use of null.
the table has allow zero length strings set to yes.
Code: 'If RS.EOF then we're at the end of the recordset already, i.e. no records If rec.EOF Then rec.Close Set rec = Nothing Set dbs = Nothing Else rec.Requery rec.MoveFirst While Not rec.EOF rec.Edit rec("Outlet_ID") = hyphenit(rec("Outlet_ID")) rec.Update rec.MoveNext Wend End If
hyphenit:
Code:Function hyphenit(str1 As String) 'check for hyphen already present using instr If IsNull(str1) Then hyphenit = "" Exit Function ElseIf (InStr(1, str1, "-") <> 0) Then hyphenit = str1 Exit Function Else 'if no hyphen, then iterate thru the characters one at a time until isnumeric = true 'then split the string using left(str1, character_pos -1) and mid(str1, character_pos) 'and concatenate with hyphen Dim character_pos As Integer character_pos = 1 For character_pos = 1 To Len(str1) If IsNumeric(Mid(str1, character_pos, 1)) = True Then hyphenit = Left(str1, character_pos - 1) & "-" & Mid(str1, character_pos) Exit Function End If Next 'if isnumeric is NOT true and end of string is reached then hyphenit = str1 End If 'no hyphen found, nor any numbers hyphenit = str1End Function
thanks
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Sep 13, 2004
I have a button on a Tab that opens an input form to allow user to add a records. The record is indexed to relevant option from the combo bos on main form, so if no choice is made and user clicks add button megbox 'Invalid Use of Null' pops up. However I can't seem to prevent it, even when I've removed the code completely from the method/function. What's going on there? I just want the message box to say, please make a selection or something. Any ideas?
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Nov 9, 2004
Yes i have a round fuction on one of my calulations as it was displaying 32.222229 instead of 32.3
so i did this.
im varSumXCPIC
varSumXCPIC=Round(RS("SumXCPIC"),2)
if (varSumXCPIC = "" or isnull(varSumXCPIC)) then
varSumXCPIC = "0.0"
end if
But now when i veiw the page with the value = 0.0 it give me Invalid use of Null: 'Round'
any help on how to get ride of that erro would be great. thanks
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Feb 9, 2015
I have a query feeding a form. It displays Active Orders. So the SQL is:
Code:
SELECT Orders.[Order ID], Orders.[Employee ID], Orders.[Customer ID], Orders.[Order Date], Orders.[Shipped Date], [Order Price Totals].[Price Total] AS [Sub Total], Orders.[Shipping Fee], Orders.Taxes, [Sub Total]+[Shipping Fee]+[Taxes] AS [Order Total], Orders.[Ship Name], Orders.[Ship Address], Orders.[Paid Date], [Orders Status].[status name] AS Status
FROM [Orders Status] RIGHT JOIN (Orders LEFT JOIN [Order Price Totals] ON Orders.[Order ID] = [Order Price Totals].OrderID) ON [Orders Status].[Status ID] = Orders.[Status ID]
ORDER BY Orders.[Order ID] DESC;
It has worked for the past year. However today is gives me an Invalid Use of Null error and will not load.
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Jun 7, 2014
i make the database for the fast food place , i have problem with the listbox , in the main form when opening you see all the tables of the restaurant for right know i active table 1 and table 2 , when click on the table it should be display all the item but the problem when i click on the table say "invalid use of null" i don't no what is problem.
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