Add and Remove rows

Hi,
I have 2 tables, and I needed to add/remove some rows from the first table to the second.
I've followed the tutorial: Link: [Add and Remove from a List|http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/927d8c3c-0a01-0010-57b4-e89f505e2bff] and it works great!
But the user can add two or more times the same row, so I need to avoid that. The user should be able to add every row only once!!
I thought about some condition on button Add (for example, disable the ADD button if the same row is present in both tables, but it didnt work).
Any ideas to achieve that?
Thanks in advance!
Best Regards
Marcelo.

Hi again Ahmed
I've solved my problem, but now I'm facing a new issue about the same topic.
Following your tips, I've found a solution, but now, I need to copy a complete field of a table to the data store.
For example, my table has 4 field (country, key, name and city), and I need to copy ALL the key values to the data store. So, if I have 4 rows in the table, let's say "key1", "key2", "key3", "key4"
I've reached a solution, but it involves to walk throught the entire table, selecting every row automatically (I use a spinner) and "copying" every key field of every row to the data store. When I say "copying" I mean adding it to the same virtual field of the data store, that is to say, concatenating the key values one after another.
The problem arises when the table has more than 100 records, because 100 is the top value that a spinner can reach.
Any ideas about can bypass that limit?
Thanks in advance, your help is really appreciated.
Best regards
Marcelo

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Hi all,
Yes, I know there are lots of topics about adding and removing rows but I was having trouble with these and I need some expert's opinion.
I'm working with a Document type UDO, with 1 header table (ADAT_ONR) and 1 child table (ADAT_NR1 - MatrixUID = "mtx_NR").
I add the first row when the user chooses the business partner.
If oMatrix.RowCount = 0 Then
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Then, the user has to press the AddRow button to add new rows, and the user can only add 1 new blank row. Later I'll change the row adding behavior to mimic B1s.
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                        Exit Function
    Private Function NewLine(ByRef oCompany As SAPbobsCOM.Company, ByRef oApplication As SAPbouiCOM.Application, _
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        Try
            oMatrix = oForm.Items.Item("mtx_NR").Specific
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            With oForm.DataSources.DBDataSources.Item("@ADAT_NR1")
                .Clear()
            End With
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            oForm.Refresh()
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        Catch ex As Exception
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When I Add or Update the data, I clear the last blank row, if it exists.
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                                'oMatrix.FlushToDataSource()
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                        End If
                End Select
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Any Ideas?
Thanks in advanced,
Vítor Vieira

Hi Victor,
there is a Form Data event which you ca use in that try to write the code for adding a row after updating and delete a row while inserting and add a row while traversing.
sample code.
Sub FormDataEvent(ByRef BusinessObjectInfo As SAPbouiCOM.BusinessObjectInfo, ByRef BubbleEvent As Boolean)
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            Select Case BusinessObjectInfo.EventType
                Case SAPbouiCOM.BoEventTypes.et_FORM_DATA_ADD, SAPbouiCOM.BoEventTypes.et_FORM_DATA_UPDATE
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            End Sub
Hope this helps,
OM Prakash

How to add and remove rows and keep track of it

hi all,
i hv an issue
im developing a page which will hv remove and add buttons for 3 categories
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%>
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<%
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