Autonumbering A Field In Form
Mar 5, 2005
Hi
I am trying to autonumber a field in a form so that it should have a value of 1 more than the highest value in the field.
I am trying to use the following formula.
DMax("[SAMPLE]","BUGSAMPLE")+1
where sample is the name of the field and bugsample is the name of the table.
but everytime I exit the form. the value in the form field becomes 1 while the value in the table field remians the fine.
What else I can do to fix this problem.
Also I cannot change the field in the table to autonumber as there are a lot of relationship already with that field.
Regards
Rahul
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Jan 4, 2006
I have a table with an autonumber as pk. it has reached 67378 and now has started wanting to add records back from 1 again. The newest record want to start from 19 ( I guess as i attempted to add records from a recordset it used up numbers from 1 to 18 and ditched them).
I obviously could never add records again now. so what should I do, using the tool fix database did nothing.
as the field is an autonumber with long int is there a maximum size due to number of bits used to store?
help would be much appreciated.
I noticed on other tables it did the same went from a number to suddenly adding very large autonumbers out of sequence.
regards
Peter
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Jan 16, 2006
Hello,
I 'm pretty new to access and I am trying to divide number of courses into groups automatically e.g if i have 80 students on a programme i want to divide them into groups and each group must have a maximum of 20 students.It could be less but not more.
Please any help will be highly appreciated.
Thanks
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Jan 31, 2007
Do you absolutely need to have a field in each table with autonumbering?
If I dont what are the consequences?
Is there a way to make it so that AutoNumbering uses a formula that you came up with?
IE. I want to use a letter an ID month year and a sequence (quote #1, #2, #3 etc)
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Oct 2, 2005
I am using DMax function for my custom autonumber
I just realized that when using this in a multi user environment, I am getting duplications.
This field is not the primary key, and I am using this as a group ID and cannot set it to “no duplications”
My form also has a sub form, and when entering the sub form, the main record gets saved automatically.
First I added the following procedure
Private Sub Form_AfterInsert()
If IsNull(Me.OrderNo) Then
Me. OrderNo = DMax("OrderNo ", "tblOrder") + 1
End If
Private Sub cmdSave_Click()
If IsNull(Me.OrderNo) Then
Me. OrderNo = DMax("OrderNo ", "tblOrder") + 1
End If
However, I then realized the after insert function will add the new autonumber to the form. However, it will not saved it to the table until the main record is saved again (which may not happen)
“DoCmd.RunCommand acCmdSaveRecord” doesn’t seems to be working after the “Form_AfterInsert”
Now I moved the code to the “Form_BeforeUpdate” (still testing)
Does anyone have any experience on this problem?
Thank you
Joe
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Jul 6, 2006
I have some data that I import them to Access into a predefined table. The first colum of this data is A/A (lets say from 1-500). I do this in order to validate some data. The problem is that when I want to delete one row (lets say row 99) then the numbering is left as it is (.....97, 98, 100, 101.....). It ignores the fact that number 99 is missing. I want when I delete one record to start recounting from the begining (1-499).
I want the same thing when I enter a new value in the table. Lets say to enter a raw in the meddle of the table (lets say in position 65) to change the entire countin of the first column.
Thanks in advance.
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Aug 17, 2006
Group,
I thank you in advance for considering this inquiry.
From within a Form.field (based on a master table query), I desire to trigger two events; one before update and one after update.
This function will serve to document specific form.field value changes to a "log" table for review prior to being committed back to the master table.
What I'm looking for are functions, which I can use in a Macro or VBA code to facilitate a field read and copy before change and a read and copy after change triggering.
I'm sure this is absurdly simple.
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I have a problem. I have a form, being used as a subform. I have an "Original Date" field and a "Revised Date" field. I want the value the user types in the "Original Date" field to be the default value in the "Revised Date" field.
I used default value "=[OrigDate]" but that doesn't work, it just shows a blank. Both "Original Date" and "Revised Date" are in the subform.
Is there any way I can default "Revised Date" to the "Original Date" entry (and let the users change the "Revised Date" later on)
Thanks
EEK
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Jul 18, 2013
How can I get the value from a field in one table (in the sub form) to copy/insert into a field in another table (in the main form) when adding a new record?The main form and sub form are linked using parent/child linking, and the sub form is in a tab.I have table A (Visit Dates) in the main form which is used to record the date of a visit to a church. Table B (Quarters and Peals) is used to record an event that took place at that church during that visit. Note that not all visits in table A require a record to be created in table B - but half or more do.
In tables A and B I have a field called "QuarterOrPealID" and these are both primary keys, though the field in table B is set to 'no duplicates' and in table A it's set to 'duplicates allowed', as table A has its own auto number/pk. They are both linked in the relationships.
So, when I add a new record to table A using the main form, I might then need to click on the tab in the sub form to create a new record in table B, which has to be linked to the same record in table A. When the "QuarterOrPealID" auto number/pk is generated in the sub form (table B), I need that value to update to the "QuarterOrPealID" field of the main form (table A), so that when I'm viewing these records the form pulls all the information nicely together.
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the main form is named: "SCREEN-MAIN"
the subform is named: "SCREEN-SUBFORM"
(the main form has a button on it which loads the subform.)
ive tried the below code but it doesnt work, any help would be excellent.
-------------------------------------------------------
Private Sub Form_BeforeUpdate(Cancel As Integer)
If [NEW_WEEKLY_BASE] >= 0 Then
With Me.WEEKLY_BASE
.Visible = True
.Enabled = False
End With
End If
End Sub
------------------------------------------------
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your help is very appreciated.
Regards,
CS.
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