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Filter Sharepoint List Then Lookup

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Posted on by Barber_Chris

Hi,

Im having trouble on making a label visible. I have a label which gives a notification to the user that an Invoice Number already exists in a sharepoint column. I need to make this visible if there is a match as the user inputs the invoice number to a form.

The formula also needs to filter the supplier so the Lookup is only relevant to the supplier.

My code is

LookUp(Filter('Supplier Invoices',Title=Gallery2.Selected),'Invoice Number',DataCardValue208.Text)

Thanks guys!

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mdevaney 29,991 Moderator on at

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@Barber_Chris

Put this code in the Visible property of the warning message.

IsBlank( LookUp( Filter('Supplier Invoices',Title=Gallery2.Selected.Title), 'Invoice Number' = Value(DataCardValue208.Text) ) )

I am making a few assumptions:

The Title property in the Supplier Invoices table stores the name

Invoice Number is a number type in SharePoint

DataCardValue208 holds the invoice number

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Barber_Chris 99 on at

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Hi,
Thanks for your response.

I get the following message with your formula.

The Title property in the Supplier Invoices table stores the name - CORRECT
Invoice Number is a number type in SharePoint - THIS IS A TEXT COLUMN
DataCardValue208 holds the invoice number - CORRECT

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mdevaney 29,991 Moderator on at

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@Barber_Chris

Here's my revised code since TextInput208 is a text column in SP

IsBlank( LookUp( Filter('Supplier Invoices',Title=Gallery2.Selected.Title), 'Invoice Number' = DataCardValue208.Text ) )

Please share a screenshot of the code in the formula bar + the error message if it does not work.

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Barber_Chris 99 on at

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Hi,
Thats works a treat thanks!

Could that be manipulated so the user input tries to match the part of the string?

For instance if an invoice number in sharepoint was W1378990 and the user entered 1378990 and vice versa it would show.

Regards,
Chris

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mdevaney 29,991 Moderator on at

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@Barber_Chris

You could use the IN operator instead of equals.

IsBlank( LookUp( Filter('Supplier Invoices',Title=Gallery2.Selected.Title), 'Invoice Number' in DataCardValue208.Text ) )

However, I would not recommend doing that because it can introduce problems in your app:

IN operator cannot be delegated so only the first 2,000 rows will be searched

While the user is typing your warning will show false positives

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