Change Field To Alphanumeric (text) From Number Type?

Nov 13, 2014

I have an existing form where users type in information and it generates a couple of reports. In one of the fields, Customer PO Number, the user enters a number from a customer. Up until yesterday all of the customers we have been dealing with have used numbers only for their PO numbers. However, we have a new customer that requires alphanumeric PO's. Is there a simple way to change this field from a number to alphanumeric without having to redo each form, report and/or query. I am using MS Access 2010.

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Tables :: Change Client ID Data Type From Text To Number

Mar 27, 2014

I have two tables(see below). I want to set up a query, link these 2 tables together. I set a one-to-one relationship between Client ID in two table. But got error message :"Type mismatch in expression".

I tried to change Client ID data type from "Text" to "Number", then Access deleted some data under Client ID in Order table.How can I make this work, but not having to re-type in all data?

Client Table:

Client ID(Autonumber)
Client Name (Text)
Client Address (Text)

Order Table:

Order ID(Autonumber)
Client ID(Short Text)
Unit Order(Number)
Unit Price

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Aug 6, 2014

I have a table with about 300,000 records. About ten fairly small fields per record. I am trying to change the length of a text field from 25 to 40 characters, and I get the error message, 'MS Access can't change the data type. There isn't enough disk space or memory'.

I have never seen this message before. I have about 64 Gig of free disk space. What can I do?

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Feb 24, 2014

I just started my project database on my subject ITM4. My Database is entitled PCExpress Inventory System. I would like to know how to input (Text) in a Field where the Data Type is (Number) just like the North Wind.

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Dec 6, 2013

What would I need to enter into the validation rule to change the field to alphanumeric only?

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Dec 27, 2013

I have a table having the following fields:

StaffNo TextField PrimaryKey

The data in StaffNo will be alpha numeric, like AKA-111, AKA-112, LMN-100, LMN-102

Here AKA and LMN describes the Sites where employee is working.

On Add New Employee, When user enter AKA- in StaffNo, on exit the next number on that site should be generated. i.e AKA-113.

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Sep 30, 2005

I have a text field in a table that contains an alphanumeric code. i.e.


I want to run a query to find the highest number for a particular alpha code. In the example for DEL I would want the query to return DEL1001.

I have created a select query that asks for the alpha code, selects all codes starting with that code, sorts them in decending order and only displays the first record.

The problem is that because the field is a text field the numeric is not sorted like a number. So in the DEL case the query returns DEL999.

Any ideas on how I can get a result of DEL1001??

Thanks for your help

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Importing Alphanumeric Data Into Text Field

Mar 31, 2008

I have searched this forum but didn't find the answer, I hope I'm not the only one with this problem.
I have two text fields in a table that are updated through an excel file import. In the excel file, both fields contain data that is mostly numeric, but there are always about a quarter that contain letters as well. When I go to import the excel file, it sets to null any value in the fields that contains letters. If I sort the excel file in descending order for the field, it will import, but I have two fields that do this, so this brings more problems. Does anyone know why you can't just import anything in any order into a text field?

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How To Reset Tables To Change Data Type From Number To Autonumber

Dec 4, 2013

So I have decided that I want my ID's to be AutoNumbers, but at the moment they are currently set as Numbers. I have already inserted data, to test, which has been deleted, however I am now unable to change the ID field back to AutoNumber.

How can I duplicate the tables so that this field can be changed again?

I have like 10 tables with heaps of feild, so remaking them will take long, but I know there is a way using queries, I am just not sure how...

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Nov 3, 2012

I have a table with a field with names set to text data type and i want to change it to number data type but when i do it in design view the data get lost. I want to know if there is a way to convert the data in the field as number type and keep the data in the field.

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Look-up Wizard Returns Number Type Instead Of Text

Nov 4, 2007

I had posted this a couple weeks back but it didn't help much in the end, thanks to anybody who posted there anyway though.

I've used the Lookup wizard to make a lookup menu in one of my tables. The field I tell it to refer to in another table is a Text type. However, after the lookup wizard completes the type of the field which is uses the menu is changed to Number.

At this point it can be kind of whacked out and inconsistent, but what usually happens is if I select a value from the lookup field it refers to the auto number that I used as a primary key for the looked up value.

I created a new table, and tried to do a lookup field for for the same fields and got the same problem - I think it's an issue with the field I'm looking up.

I'm 100% sure I didn't do anything stupid like select the ID auto number for the lookup... So what's going on?

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CHange Field Type

Aug 22, 2007

I have been researching changing the field type of a table to Hyperlink and have been unsuccessful.

Everytime I add a field to a specific table the hyperlinks get busted. What I am doing programmiticaly is:
1. Deleteing the field
2. Re-creating the Field (text)
3. Concantonating two fields into the new field
4. Create a second field (hyperlink)
5. Copy those recrods into the hyperlink field
6. Delete the first
7. Rename the hyerlink to the original feild name

I get this to work but the hyperlinks are still broken.

If I Create the new field
Concantonate two fields into it

Then Manually Change the field name from Text to Hyperlink
everything works great.


WHAT CODE is being run whern you go into the properties of the table and change the field type from Text to Hyperlink?

Can I use that code for this purpose?

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Attempting To Change Data Type For Field But Can't Because....

Dec 20, 2006

I'm a bit of a newbie, so lets just get that out of the way....

I have a field in a table that was originally a text data type. I want to change it to a "lookup" data type using the lookup wizard. However, Access doesn't allow me to do this and prompts me with "You can't change the data type....its part of one or more relationships...". But there are no relationships? There may have been previously, but I've deleted them all from Relationships window.

This has happened several times now. I am in the process of designing the database and have been changing my mind about data types when I realize that I can use a lookup data type. The only fix I have found is to make a copy of the table in question and then change the data type of the problem field. Unfortunately this screws up my forms...which is a pain.

Why would Access say that there are relationships in the relationships window when in fact there are none?

I've attach a copy of my db. The field in question is located in the "Activities" table. The field name is "ACTIVITY_NAME". I am trying to use a lookup from the activityNames table using the "ActivityName" column.

Thanks for any help in this matter.

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Oct 29, 2013

I have two tables in a query joined by a ID field. The problem is in the one table the ID fiels is a text format and in the other table its a number format so the query builder doesnt like that and gives me the Type mismatch in expression error.

There's no way around it though; i need it to be those formats in its respective tables for reasons i wont go into here for simplicity.

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Mar 18, 2014

In my database i have a field for Tonnage (quantity) ...

I need for example to input 38.60 or 37.89 so my values must have 2 decimal places, ive searched and found changing my field type to double or decimal should solve the 'numbers rounding up/down' but access will not let me change the data type?

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General :: Cannot Change Data Type Of Calculated Field

Aug 23, 2012

I got Gross Income Query. But I have employees that have overtime rate as well

So I have to calculate using overtime Payment And Gross Income Separately

So I make query and in query . I write this equation

Ovetime Pay: IIf([Total Hours Worked]>[Normal Hours/week],([Total Hours Worked]-[Normal Hours/week])*[Overtime Payrate],"0")

I successfully calculate it ...

BUT IT JUST GIVE ME THE VALUE LIKE A NUMBER SUCH AS e.g. 50 ,150 but instead of that i want currency data type of that calculate field for e.g. 50 become "$ 50".

Okay so in able to do that i go to properties Sheet of the field of the query and change Format to Currency ..BUT IT DOESN'T CHANGE !!!


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Apr 12, 2007

Is it possible to actually change a number to text? I cant seem to figure out how. I have 2 proprietary systems one uses a number and one uses text for the same item. I know how to change the text to a number however the more efficient way for me to do this is the other way around. Its the differnce from 300 to 400 record change vs 4M. Any help would be great thx.

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Sequential Order Number With Alphanumeric Value

Jan 25, 2007

Dear All,

I know that there may have been many posts on this and I have searched for a total of about 2 hours in these forums before posting, so please don't shoot me down for asking this.

I simply need to know how I can create a unique, alphanumeric order number. I was going to use Autonumber, but from what I have read on these forums, that is not the way to go, as Autonumber is simply to identify the record.

What I need is an number like so: ST000. It needs to start at ST142 and increase by one each time. Obviously I would like to avoid gaps from records being deleted or not completed etc.....

I really have no clue how to do this, and would appreciate it if anyone can point me to a post that would help, or offer me the solution.


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Auto Number / Type Field

Oct 15, 2007

I have an order table [OrderMain], which contains [OrderNumber] "Auto Number" along with various customer related only info

Then i have a order line table [OrderLines] which contains the items ordered. Which looks like


These tables are in a form, relationship of [OrderNumber]

This structure enables me to order as many parts as i'd like against 1 order number.

What i would like to do is set something similar to a auto number in the OrderLines table. This would be in the Lines Field.

The problem is, AutoNumber can't be used in the [Lines] field as each new order line # would continue from the last #.

The result would look like:

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Dec 14, 2004

I need a field to permit only numbers. Upon selecting number for the data type I select Long Integer for a longer number... But it only allows 9 digits.. I need it to allow to enter in longer numbers... Any help?
Thank you very much in avdance

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Aug 7, 2012

I am trying to use access to connect to SQLServer with an insert query. I need to generate alphanumeric number for each record. The letter will move to the right as the alphanumeric number increase.

For example: A0001 , A0002.... -> A9999
0A000, 0A001 ... => 0A999
1A000, 1A001 ... => 1A999
2A000, 2A001 ...2A999
9A000,9A001 ...=>9A999
00A00, 00A01 ... => 99A99
000A0, 000A1 ... > 999A9
0000A....=> 9999A
Last number will be 9999A

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Mar 13, 2013

I want to know if there's a way to sort alphanumeric fields where the number of digits aren't always the same.

Example: I have the following: 2a, 10a, 3a.

Currently, it sorts: 10a, 2a, 3a.

Is there a way to get it to sort 2a, 3a, 10a without adding a 0 before 2a and 3a?

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Feb 27, 2014

I'm trying to change a 1,2,3 in a table to display NA, Yes, No on a form.

I have an Infopath form with a n/a,yes,no drop down that is dumped into Access. Infopath requires a value be tied to them so it is 1,2,3. So in Access, my table shows the numbers and not the text. I would like to know how to get my access forms to show the text instead. Not sure if I should be setting the field criteria in my query to say if this field is a 1 make it Yes, if 2 make it NO, if 3, make it NA. Or if there is something completely different to do.

I found a workaround by going into the query and using Find and Replace but I need this to update itself automatically.

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May 5, 2005

I would like how I can generate automatic Id in a table with following structure. billid number, billdate date& time.

I don't like to use AutoNumber built in feature.


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Nov 3, 2012

From a table I want a text field which has a path to a file to be copied automatically into a another field of the same table with a hyperlink text type...

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Feb 26, 2015

The DolphinBatchNo has number data type but the following sql statement doesn't capture the ight records. it doesn't check id dolphinBatchNo is blank.

strsql="select * from `MasterTBL` where PolicyNumber>=" & TxtFPolNo & " and PolicyNumber<=" & TxtLPolNo & " and PolicyStatus='Live' and DolphinBatchNo is null order by PolicyNumber"

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