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Using VBA to loop/save form records?

Posted on 2008-10-07
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Last Modified: 2013-11-28
I'm using Access 2007, and the only VBA that I know is what I've picked up along the way..

Ok, on to the database. I have a fairly small database for entering/viewing employee training data, with a main form for actually entering the data (no editing or deleting - only entering). All of our staff members can be grouped into 3 categories and often attend training sessions in bulk. Instead of having to enter the same class for 20+ people, I want to be able to click a checkbox (i.e., "All Analysts"), enter all the training information once, then click Save. I want it to then save individual training records for everyone who falls under the selected category.

Using a Do Until loop inside an If Statement, I'm able to specifically find the ones that fall under the selected category. The problem is that I can't get it to save a separate training record for each of those employees - it keeps updating the same record with the next applicable Employee ID.

Any help would be greatly appreciated!
Private Sub cmdSave_Click()

Dim Counter As Integer

Dim AnalystCount As Integer
 

'Set the counter to blank

Counter = 0

'Start with the first employee

Me.EmpID = 1
 

'Count the number of analysts, so the loop knows when to stop

AnalystCount = DCount("EmpID", "tblEmployees", "[Type]='Analyst'")
 

'Check to see if "All Analysts" is selected

If Me.chkAllAnalysts.Value = -1 Then

    'Loop through all this until we reach the last analyst

    Do Until Counter = AnalystCount

        'Check to see if they're an analyst

        If Me.Type.Value = "Analyst" Then

            'Add one to the counter

            Counter = Counter + 1

            'Save the record

            Me.Dirty = False

        End If

        

        'If we haven't reached the last analyst...

        If Counter <> AnalystCount Then

            '...move to the next employee

            Me.EmpID = EmpID + 1

        End If

    Loop

End If
 

'Let the user know that everything saved

MsgBox "Saved!", vbOKOnly
 

End Sub

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Question by:shadowfox2010
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Expert Comment

by:Jeffrey Coachman
ID: 22675406
I can't see anything in your code that is actually creating a record to save?
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Author Comment

by:shadowfox2010
ID: 22675478
Oops! The information that it's saving is entered into bound text/combo boxes on the form - there's a query running behind it.
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Expert Comment

by:Jeffrey Coachman
ID: 22675751
shadowfox2010,

OK, But still, somewhere you would have to be creating this new record for each employee.
How is this query creating the new records?

The way I see it you would have to be setting some sort of flag, to say that they are all selected for a particular class.
Or even more complex, creating a child record (Training session) for each member.
(presuming a One to many relationship between Employees and classes.)

The logic would be something like this:

Is this employee an Analyst?
If Yes, then create a record that puts them in a training session
If no, then move to the next employee.
Repeat until the end of the employee file.

But you would really need a recordset to do this.

JeffCoachman.
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Author Comment

by:shadowfox2010
ID: 22679462
Hmm, I'm not sure what you mean.

There's a many-to-many relationship between employees and classes, with a middle table connecting the two (tblEmpTrng). tblClasses only holds the list of available classes - tblEmpTrng holds all of the specifics like hours, associated costs, dates, etc. So yes, I am trying to create a training session record for each employee.

That's the logic that I tried to use with the Do Until loop. I'm able to successfully have it count all the analysts, so I know that it's performing the checks correctly. My problem is that it doesn't create a unique record for every analyst when I tell it to save (Me.Dirty = False) - it keeps updating the same record in the table.

How would I use the recordset?
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Accepted Solution

by:
Jeffrey Coachman earned 350 total points
ID: 22680888
shadowfox2010,

"Hmm, I'm not sure what you mean"
That's the point,

You are telling us what you need, but we do not know anything about your database.
;-)

For example:
 "There's a many-to-many relationship between employees and classes, with a middle table connecting the two"
...This is new information not mentioned in your original post.

The bottom line is you must loop each member of a certain Type AND create a Class "Record" for each of them.

" it keeps updating the same record in the table."
Then for some reason your code is not moving to the next record.


The sticking point here seems to be that you have designed your interface first.
Instead, ...it might have been better if you had asked:
"I need to assign multiple employees in the same category, to one class, how might I accomplish this?"
;-)

Here is an basic example of how this is typically done.
In this sample you would have to:
- Create your forms with the appropriate lookup comboboxes.
- Decide on a Primary Key strategdy for tblEmptTrng to prevent/allow duplicates in any combination of Employess, Classes and/or Dates.

(After you click the Assign button, you can view the Query: "qryEmployeesAndClasses", to verify that the entries were made.)


I am sure you can adapt this basic sample to work in your database.
;-)


JeffCoachman
Access-EEQ23795701-AssignEmploye.mdb
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Author Closing Comment

by:shadowfox2010
ID: 31504051
Thanks much for the help! The example really helps me understand. :-)
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Author Comment

by:shadowfox2010
ID: 22736530
Awesome, thanks for the sample!
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Expert Comment

by:Jeffrey Coachman
ID: 22738146
;-)

Jeff
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