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1/1/2008 3:13:00 AM
Microsoft Access 313
By Richard Rost   Richard Rost on Facebook Richard Rost on Twitter Richard Rost on Google Plus Richard Rost on LinkedIn Email Richard Rost

Access 313 covers making a Product Category table and form; a Master Form that shows all of the categories - you click on a category to show all of the products in that category on a second subform - then you click on the product to show the product details in a third subform; making a product category combo box on the order form that will filter the long list of products and automatically open it for us; automatic zoom into a field using VBA code; how to create a macro and then convert the macro to VBA code; how to hide specific items from your invoices so customers can't see them (if you need to add items for job costing); finally we'll split the database and go into database sharing in more detail.

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Course Link: Microsoft Access 313
Keywords: access
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At 4 07 of Access 313 Lesson 3 Comment from Kris Cunningham @ 12/4/2016
At 4:07 of Access 313 Lesson 3 when you are creating the After Update () Event code for the new ProductCategoryCombo combo box, the WHERE clause for the ProductCombo.RowSource is WHERE ProductCategoryID="&ProductCategoryCombo, why could the WHERE statement be WHERE ProductCategoryID =  & ProductCategoryID?

Is it just that when dealing with combos you have to refer to the control?

I thought maybe since both combos have ProductCategoryID in their underlying tables that it would still work. Thanks.

Reply from Alex Hedley:

The combo has a hidden field ComboID and a human readable text description Product Category, the combo allows a user to select a value but tells access the hidden ID field behind the scenes, it saves the user from having to remember which id relates to which Product Category.
If you say ProductCategoryCombo it takes the value from the first column. It's the same as saying ProductCategoryCombo.Column(0)
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size limitation of Access databases Comment from James Gray @ 1/25/2013

Does the size limitation of Access databases include the data files or just the size of the front end?

Reply from Richard Rost:

The 2 GB limit is PER FILE (MDB or ACCDB). BUT, you can effectively increase that by moving tables to another file and then linking them in.
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Access 314 Comment from Relja K @ 1/24/2013
Great! So I need to get along with record sets next couple of months!

Reply from Richard Rost:

Yeah, it's not JUST recordsets. That's the main focus, but we build an order entry / invoicing system that's really cool. Lots of new techniques covered in it.
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Access 314 Comment from Relja Koprolcec @ 1/24/2013
Hey,I have just finisher 313 class and am ready for 314.Let me know if you already produced the alleged lesson.Regards Relja

Reply from Richard Rost:

Nope. There is no 314. The next lesson in the series would be 320.
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Comment from Richard Rost @ 12/14/2009
Terry, your code looks fine. I'd have to see your database to tell you for sure why it's not working. You might want to try putting the full name of the EmployeeID in the code to...

...WHERE EmployeeID=" & Forms!MyForm!EmployeeID

If that doesn't work, let me know.

Or... is your listbox lstEmployees the field that contains your EmployeeID? If so, you need to say:

...WHERE EmployeeID=" & Forms!MyForm!lstEmployees

I'll bet that's it... unless EmployeeID is a separate field on that form.
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Comment from Terry Hopper @ 12/4/2009
I have been working with this for weeks (11/14/09) and it still doesn't work. I have a EmployeeList box with EmployeeID, Active, FName & LName. The code is...

Private Sub lstEmployees_AfterUpdate()

    On Error Resume Next
    Forms!frmEmployeeCenter!sfrmEmployeeContact.Form.RecordSource = _
        "SELECT * FROM qryEmployees WHERE EmployeeID=" & EmployeeID
End Sub

And I can't seem to figure it out. I have watched the video at least a half a dozen times and tried all different names for the fields to update.
Please help.
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Comment from Richard Rost @ 11/19/2009
Terry, I don't understand your question. Do you mean the SHIFT-F2 Zoom feature? Yes, you can control that with a button. There is a VBA command for it: DoCmd.RunCommand acCmdZoomBox
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Comment from Terry Hopper @ 11/18/2009
Regarding the Zoom property. Can you make a button to Zoom into a field like notes but use the button as an option?
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Comment from Richard Rost @ 11/13/2009
That should work. Make sure everything (form, fields, etc.) is spelled right. Aside from that, I'd have to look at your database to tell you for sure.
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Comment from Terry Hopper @ 11/11/2009
That is what I thought, but it's not working.
Here is my code...
Forms!CustomerCenterF!CompanyInformationF.Form.RecordSource = "SELECT * FROM CompanyT WHERE CompanyID=" & CompanyID

What am I not getting?
I have the company list with the id hidden (0") and I am referencing the form by name & property of that form. Sorry, just don't get it.
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Comment from Richard Rost @ 11/11/2009
Terry, sure. You would just need to use an AfterUpdate event for the list box, and refer to the list box value.
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Comment from Terry Hopper @ 11/10/2009
When controlling a form from a form, can this be done with a list box as well? I would like to use a list box in place of the 'ProductCatagoryF' but have the same effect on the 'ProductListF'.
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Comment from Richard @ 11/5/2009
Here is some information from Microsoft's web site on the benefits of splitting your database:

Benefits of a split database

The benefits of a split database include the following:

* Improved performance The performance of the database usually improves significantly because only the data is sent across the network. In a shared database that is not split, the database objects themselves — tables, queries, forms, reports, macros and modules — are sent across the network, not just the data.

* Greater availability Because only the data is sent across the network, database transactions such as record edits are completed more quickly, which leaves the data more available to edit.

* Enhanced security If you store the back-end database on a computer that uses the NTFS file system, you can use NTFS security features to help protect your data. Because users access the back-end database by using linked tables, it is less likely that intruders can obtain unauthorized access to the data by stealing the front-end database or by posing as an authorized user. By default, Windows XP, Windows Vista, and Windows Server 2003 use the NTFS file system. If you are not sure what file system your file server uses, ask the system administrator. If you have administrator privileges on the file server, you can run the msinfo32 command to determine the file system yourself.

How do I use msinfo32 to check the file system?
1. Click the Start button, and then click Run.
2. In the Run dialog box, type msinfo32 and then click OK.
3. Under System Summary, click the plus symbol next to Components.
4. Under Components, click the plus symbol next to Storage, and then click Drives. The dialog box displays information about the available drives in the panel on the right.

* Improved reliability If a user encounters a problem and the database closes unexpectedly, any database file corruption is usually limited to the copy of the front-end database that the user had open. Because the user only accesses data in the back-end database by using linked tables, the back-end database file is much less likely to become corrupted.

* Flexible development environment Because each user works with a local copy of the front-end database, each user can independently develop queries, forms, reports, and other database objects without affecting other users. Similarly, you can develop and distribute a new version of the front-end database without disrupting access to the data that is stored in the back-end database.
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Comment from Richard Rost @ 3/6/2009
Currency format in a combo box: The easiest thing to do is to format your field as CURRENCY type in a query and then use that query to feed your combo box. Or you can use the Format function to manually force it to Currency.
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Comment from   @ 3/5/2009
Your lessons are very helpful for me,a beginner.
Currecy$ is shown in UnitPrice of ProductCombo. How can I apply currency to a field in Combobox.
Thank you.
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Comment from Richard Rost @ 9/17/2008
Twila, what you need is AUTOMATION. It's a way of controling one MS Office application from another. You can use Automation, for example, to open a Word document and print it from your Access database, or open Outlook and send an email. YES, I will be covering Automation in a future class.
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Comment from  Twila Mitchell @ 9/16/2008
What I really need is an easy way to print out a word document from vba.  For instance, I have a policy that is over 60 pages long.  Only page 1 and page 4 have information needed from my database so I would like to make a button that prints a report that is page 1 then will print a word document which will give me pages 2 and 3.  Then I will print a report that is page 4 and finally, I will print a different word document that gives me pages 5 through the end.  

I can't find information anywhere that helps me.  Can we include this in a future class?
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