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How to get value of two combobox(s) into textbox in datasheet subform.

Hi Every one,

I have datasheet subform, which have 4 fields.

CustomerId
OrderId
Product

CONumber

For some reasons I  have to store a CONumber which is actuall the combination of customerid and orderid. let see

CustomerId = 100
OrderId = 5001

so CONumber = 1005001

how should I get CONumber in datasheet subform at save time?
I Set the control source property of Textbox to CONumber Field, and update it with afterupdate event of Product (combobox) but then Value won't store in field. If I try to do it before update event  There is a error because of both combobox(s) are empty at that point.


so whats the best way to get the way... of both after its been update but not yet store in the underlying table.

Thanking you in advance....

permood
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ExpertPro
Asked:
ExpertPro
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1 Solution
 
shanesuebsahakarnCommented:
Simplest way would be to run this in the OnClose event of the (main) form:

CurrentDb.Execute "UPDATE MyTable SET CONumber=[CustomerID] & [OrderID]"

Alternatively, put code in the AfterUpdate event of both the CustomerID and OrderID text boxes like so:

Me!txtCONumber=Me!txtCustomerID & Me!txtOrderID
Me.Dirty = False 'Saves the record to store the information in the underlying table

You should not be storing information like this in the table though - because it is calculated, you should just write a query that returns the information in a calculated field and use that instead.
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Rey Obrero (Capricorn1)Commented:
in the after update event of the combo box

  Me.TextBox=Me.ComboBox.Column(0) & Me.ComboBOx.Column(1)
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NestorioCommented:
Is the field in the form bound to the table?
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Rey Obrero (Capricorn1)Commented:
oops, sorry i misread that there are two combo boxes
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leslynfCommented:
In the properties for the CONumber (design view), on the data tab, in the Source Property place the following:

=[CustomerID] & [OrderID]

If you want to do it with code, you can use the Enter Event of the CONumber, or you could use the FORM property OnCurrent.

Is the order of entry CustomerID then OrderID?

If you mean "save" time, and not "same" time -- you can place the code in the beforeUpdate Event of the FORM.

Let me see the code you are using.

Leslyn :)
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ExpertProAuthor Commented:
Thanks every body for your help and time.
shanesuebsahakarn:
I know this is not betterway to store information. but the reason this because:-

Let me explain you little bit might you will come up with better idea.

Each Order include predefined some product automatically and then on top of that customer could add some more products.

   OrderID     Oder
      100      Delux Package 100

now delux package aready have two things which part of products
                     1 Air Ticket
                     1 Room
now this order can have additional products

                     1 Rental Car

 I have only one table for products

same products are getting use in Package table
and then in orders details, then I do the union.

and try make like

Customer

orders
                   
Oder Details

I dont' know if i am able to explain it well or not.


                           
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shanesuebsahakarnCommented:
The code I posted for you in the first comment should work (the one with the Me.Dirty line). The value should store in the field so long as you set the textbox's value correctly. If you have a problem,post the code you are currently using to try and save the info.
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ExpertProAuthor Commented:
Thank you everybody!

Specially shanesuebsahakarn for quick and wondefull answer!

Regards,

permood
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