Data Type Conversion Failure

Sep 1, 2005

Hi,
I feel a little silly bringin this up but I have gone through the solutions provided on this topic but it all doesnt seem to work.

I am trying to up date my Products table with data from two other tables (Sales and Stock Receipt). I have made sure the data types in all the tables are the same (currency) but I still get this message

"Microsoft Access did not update 5 field(s) due to a data type conversion failure."

This is the expression I'm using in the update query

IIf(IsNull(DSum("[Quantity]","Sales Detail","Sales Detail.[ProductID]=" & [Products].[ProductID])),[Products]![OpeningStockAmt],[Products]![OpeningStockAmt]-(DSum("[Quantity]","Sales Detail","Sales Detail.[ProductID]=" & [Products].[ProductID])*[Products]![CostAmountperUnit]))

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DLOOKUP Type Conversion Failure

Sep 3, 2005

Hi,

I am having problems with a DLOOKUP expression in an update query.

I have set up a lookup table (imported from Excel and another table set up myself because of this error) with a date field and a week number field and I am trying to return the week number into another table for the date in another field. It is easy to do in Excel (VLOOKUP), but I have never done this in Access.

I am attempting to get the update query to update another table which has a Date of Booking and a new week number field. When I run the query, it has the error message that it cannot update all of the records, due to a type conversion failure. I thought that this error was due to fields have dissimilar data types and changed them until they were exactly the same - the Week Number are both Long Integer number fields and the dates are a General Date date fields.

The expression is: DLookUp("DLOOKUP Created.Week Number","DLOOKUP Created","Date = " & [2004 Lookup].[Date of Booking]). The lookup table is DLOOKUP Created and this is the return value I want. The 2004 Lookup table is the table that I want to update with the week number, using the date of booking.

Any help will b gratefully receive.

All the best,


Roly

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Jul 21, 2005

Good afternoon all,

I have a macro that I run. In this macro, I've changed the "SetWarnings" to No. This works since I do not get a "Are you sure..." when I do a makeTable query and the table already exists.

However, I do get a type conversion failure error message.

Does someone know how I click Yes on this without any intervention on my part when the macro is running? Would entering keystrokes in the macro work? I don't think that they will since the next command is not called until the previous has executed ... and I'm getting hung up on the dialog box before the make-table command has finished execution.

I've attached the error message text that I'm seeing.

Thank you for your time and help.

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Jan 23, 2014

I am trying to import records from Excel and I have two issues:

1) I have imported the excel file into a new table and I get type conversion errors just for fields 25, 26, 28 and 29 (and only for rows 2 to 25) but there aren't that many fields in the table.

2) The second is that I get key violations even though the indexing for all the fields for "table_candidate" is set to "no" (apart from the "cand_ID").

I can't see anything wrong with the records.

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May 12, 2013

I have an update query:

Query: DateExtractor
--------------------------------
Type: update query
Field: ProductionDate
Table: Production
Update To: DateSerial("2000"+Val(Mid([Code];1;2));"Mid([Code];3;2)";"Mid([Code];5;2)")

Field [Code] is a Text field and ProductionDate is Date/Time type, with short date format.

As I run query, there's an error that says "Microsoft Access didn't update 99 field(s) due to DateSerial,..."

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Dec 23, 2013

I keep getting the above error in access 2010 and cannot see where the error is. I have checked that datatypes are the same. It keeps referring to type conversion failure and didn't add (1) record due to a key violation.

Code:
INSERT INTO Requests ( [Request no], [Date-time received], Customer, Dept, Type, [Service level], [Received by], [Date-time due], Quantity, [Cust requestor], Status )
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Sep 2, 2014

I am trying to import an Excel spreadsheet into an Access 2007 database. Each time I import, Access creates a 'type conversion failure' error database.

I set up the first field in my .db to be a TEXT field because the Field will have both numeric and text characters. The field name is [estimate number] with numbers such as 656111 or 65611A being imported. All the fields with the numeric and alphabetical combination (i.e. 65611A) are not being imported (which results in the creation of the error db).

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Dec 12, 2012

I need to import an excel spreadsheet into an existing Access 2003 table. Due to regulations, the spreadsheet cannot be linked.

When I try to import the spreadsheet, I receive a 'Type Conversion Failure' associated with a 'Product ID' field. In the Excel file, this column is populated with two types of values-- either a 9 digit number, or a 9 digit alpha numeric value. The 9 digit numbers import correctly, but the alpha numeric values fail.

Field names/layout in the excel spreadsheet are identical to the Access table, and the field type in the existing Access table is set to 'text.' There is no set Format, or Input Mask.

What I could change with the existing table to make this import work? I'd like to avoid importing a new table, as this would force me to recreate a number of relationships after each import.

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Apr 24, 2013

I have created a make table query and using expressions for two of the fields. I have set the field properties (format) to "Percent". The expressions are calculating rates based on two other fields. The expressions are currently as such:

PTD_CM_PGM_RATE: IIf((IsError([PTD_CM_REPT_PGM]/[PTD_CM_REPT_ER])),"0%",[PTD_CM_REPT_PGM]/[PTD_CM_REPT_ER])

I'm using the IIF function to avoid potential errors should one or both of the values ("PTD_CM_REPT_PGM" or "PTD_CM_REPT_ER") be zero.

However, when running the query, I am getting the "...type conversion failure is caused when the data in one or more fields doesn't match...." error.

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Jan 17, 2008

I've got a CSV file that was created using SAS software. The CSV file has column titles in the first row. When I attempt to import the CSV file into Access 2007, some fields give a "Type Conversion Failure" error message.

These offending fields usually start with data that appears all numeric, although the column should be text, and the error occurs when an alphanumeric cell is encountered. In other words, it seems that Access 2007 is automatically switching to numeric based on what is initially encountered in a column.

Is there a way to tell Access to not do this type of recognition? Is there something else I must do to prevent this error from happening? Is there perhaps a piece of code I could use to eliminate these errors?

Thanks in advance to all who reply....looking forward to hearing from you!

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Jul 7, 2005

hello once again,
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Jun 11, 2013

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Here's my Code:

Set db = CurrentDb
Set qd = db.QueryDefs("qryMY_DATA")
qd.Parameters(0) = Me.txt_ReferenceID
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Code:
'*** Database Variables
Dim db As DAO.Database, rs As DAO.Recordset, gq As DAO.QueryDef, prm As DAO.Recordset

I've been all over the forums and tried several different approaches, all to no avail. The Query runs fine in the QDT, but kicks back an error when I try to run it from my sub.

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Feb 13, 2007

i am importing from excel and i have a column that has account numbers and at some point i have an account like this... 2C1C18100

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any suggestions?

thanks in advance

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Hi Gurus, need your help yet again.
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Hello,
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Apr 24, 2006

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--------------------------------------------------------------------------------

Hello I am a relative newbie for access and have searched many different sites hoping to find the solutions to my two (seemingly simple) problems. I thought I had found the answers several times but it is not the case. If you could possibly help I would appreciate it greatly.
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