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Microsoft Access Expert 8
By Richard Rost   Richard Rost on Facebook Richard Rost on Twitter Richard Rost on LinkedIn Email Richard Rost   6/30/2013 10:55:12 PM

Microsoft Access Expert Level 8 is 1 hour, 55 minutes long and focuses beginning to build our Order Entry System. We'll start out by learning how to create Calculated Query Fields. We'll calculate an extended price and sales tax for our order items. We'll learn how to properly Round values to avoid fractional penny errors. We'll build an Order Form and Order Details Form (for line items), and lots more. Topics include:

- Order Entry System
- Order Form and Details Subform
- Calculated Query Fields
- Figuring Sales Tax if Taxable
- IIF Function (If/Then/Else)
- Proper Rounding of Values
- Bankers Rounding
- Nesting Functions
- Final Product and Tax Totals

Click here for more information on Access Expert Level 8, including a course outline, sample videos, and more. This course was recorded using Access 2013, but is also valid for Access 2007 and 2010 users. This class follows Expert Level 7.

SUM ExtPrice Error Link 
Ryan Weemhoff 
Following up on my initial follow up post. I realize I was jumping ahead to access 12.1 with an OrderListF question. I now know the correct way to do it using a query with an aggregate sum function. However, I'm simply experimenting on my own as I work through the lessons. I thought setting the source of an OrderListF to the OrderT and then setting the control sources for the CustomerName and Total to the OrderF would work...but it didn't. Not sure why though, relative to all the internal logic of access/database design. If there is an easy explaining please provide. Otherwise feel free to dismiss question and forego publishing these comments in the forum. Thanks. Read More...
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SUM ExtPrice Error Link 
Ryan Weemhoff 
Thanks for your reply. I figured it out. I was putting the sum control on the order form instead of the suborder form. However, I am trying to create an OrderListF (record source: OrderT; displaying orderID, CustomerID, OrderDate, and Total), but I cannot get the total to work. My control source is OrderDetailF.Form!Total but my return is "#Name?" Read More...
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SUM ExtPrice Error Link 
Ryan Weemhoff 
When I use =SUM(ExtPrice) as suggested in Expert 8.6 (~18:45 min) my form displays "#Error". Please comment.

Reply from Alex Hedley:

Do all ExtPrice have a value?
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Updatable Recordsets Link 
John Newton     
Hi, In Lesson 1 of 2013 Expert 8; Richards mentions that sometimes fields are not update-able when Forms made from Record Sources from Queries with Many-to-Many relationships.  Why is that and is there a work around? Read More...
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Product database Link 
Brian Merrick 
I am making a product database for my company Vinny's Workshop.  It consist of Product name, type of wood and hardware table.  I created the product Table, Wood table and a Hardware table.  I already made the hardware subform.  I am stuck on the wood table and the product table.  Instead of making three separate table can i put the wood table into the product table? Read More...
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