Put a filter on data from a view

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Posted on by Community Member

Hi Guys

Might be a silly question, but i will ask anyway. :-)

I am modifying the form SalesPriceActual such the history of a customers purchases can be viewed on a new tabpage. To grab the data i have created a view, picking up data from Custinvoicetrans, joining Custinvoicejour to get the header information.

A have a grid on the new tabpage, datasource= the view i created.

What I am desperately trying to achieve is to filter the view such it only shows invoicelines from the customer I am on on tab one (overview).

I have looked on the net, but have not been able to find anything covering my requirement.

Any help and/or hints will be much appreciated.

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Martin Dráb 237,965 Most Valuable Professional on at

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Can you explain your problem, please? In general, you can filter views in the same way as tables.

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Community Member on at

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Hi Martin

I will get back shortly.

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Community Member on at

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OK, I will try.

A form with two tabpages.

First show a list of all customers. (just first to last, no filter, no nothing)

Second show all CustInvoiceTrans. The datasource is a View, joining CustInvoiceTrans and CustInvoiceJour on the Invoiceaccount field. Activating the tabpage shows all records from all customers.

I want to ONLY show CustInvoicetrans records from the customer that was active when i clicked the second tabpage.

What code am I to add where (what method)?

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Martin Dráb 237,965 Most Valuable Professional on at

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Aha, you expect to filter automatically, but you don't have any relation. You have to explicitly add a link or dynalink.

What kind of join or link do you between your datasources?

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Sohaib Cheema 49,438 User Group Leader on at

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I think if @palle adds one more table CustInvoiceJour inside form, it can be achieved without making any relationships. Because CustInvoiceTrans already has relationship to CustInvoiceJour. Further CustInvoiceJour has relationship with CustTable.

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Community Member on at

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Thanks for answer. The two tables CustInvoiceJour and CustInvoiceTrans is already in the list of datasources.

When the second tabpage is activated, i need it to only show (filter) the invoices issued to the customer i am standing on in tab 1.

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Community Member on at

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Hi Martin

Thanks for answer.

I am a complete autodidact (self-trained) developer. Any chance you could guide me in more details?

How to set a link? Anything to put in the filter method?

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Community Member on at

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*SOLVED*

This line in method "enter" on the tabpage:

Datasource_ds.filter( fieldnum(datasource,invoiceaccount),CusttableDS.AccountNum);

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Martin Dráb 237,965 Most Valuable Professional on at

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You didn't answer my question, but your code suggests that you use a kind of link (such as Delayed), therefore the right solution would be to add a dynalink.

Please look at Adding a view as a secondary datasource on a form, where we discussed adding a link, and replace addLink() with addDynalink().

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