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Anonymous
Not applicable

Look up a value from list 2 and populate field in list 1

Hi 🙂

I have 2 Parts that would be great for some help please

 

 

I have 2 lists.

 

List 1: Name + City (BLANK to start with)+ other fields

List 2: Name + City (Contains a value)

 

  • If users name/email exists in list 2, then autopopulate the city field with the city field in list 2.

P.S

  • If list 1 was to contain lets say over 2,000 records, is that a problem for powerapps and should I stick to using MS Flow instead? 

Is this easy to do/ please any tips/pics?

 

What would the formula be?

Set L2City Default to If(L1Email=L2Email, L1City, ""). 

 

24 REPLIES 24
Anonymous
Not applicable

Hi @mdevaney 

 

Could you please help with the following error?

 

I have list 1+ list in the data sources (and list 3 but ignore that for now) see pic 1

image.png

 

I filled in the formulas as follows. Please see the pic below. Is there something obvious I have missed / messed up? Thank you 🙂

 

22

 

Would this all work if my aim is that, when an email is sent to an inbox, create an item in a SPO list and fill in the 'E-mail' box with the email from the sender to the shared mail box, then powerapps/ flow would do the lookup/ check to see that this email exists in List 2, and so autopopulate the city field?

 

  • I'm unsure if powerapps will solve this idea because everytime it will look on list 2 for the record it will be blank? unless there is some sort of trigger.. the best case would be a new item is added to list using Microsoft Flow. 
    • Microsoft Flow autopopulates the 'E-mail' field by using the 'Sender' email from whoever sends an email to a shared mailbox
      • Powerapps would then do the check that sees if the autopopulated E-mail exists in List 2, if yes fill in city.. 

Do you think this is possible or stick to Microsoft Flow? I had got a good amount of it working in Flow before running into an issue so thought powerapps could be easier..  I guess step one is to get your suggested formula in place then we will see :)!

@Anonymous 

Email is a 'reserved keyword' and should not be used as a column name.  We can tell its a keyword because PowerApps colored it in green.  You might be able to substitute it with this otherwise you will have to delete the column and readd it along with the information

 

'Email'

 

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Anonymous
Not applicable

hi @mdevaney 

 

Thank you for the reply. Please see pics to recap. As this is all using test lists, I can recreate things easily.. Should I remove the E-mail field on SPO and call it something else? Is that the issue here or is there something else you may notice from pics below.

 

Thank you 🙂

image.pngimage.png

@Anonymous 

Yes, remove the Email field and call it something else.

 

Also, you are comparing Email (Text data type) to a DataCardValue3.Selected (Record Data type).  Instead you'll want to use

DataCardValue3.Selected.your_email_fieldname

 

---
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Anonymous
Not applicable

Hi @mdevaney 

 

I have changed 'E-mail' field to 'User ID' in my list 1

 

List 2 contains 'E-mail' and 'City', (the list to compare email to). Do I need to remove the E-mail in here and re name is as well?

 

Please see the pic below for an update.  and see pic of list 2 fields. List that contains Email + cityList that contains Email + city

 

image.png

@Anonymous 

Again, you should not be using Email as a column name in any table.  Full stop.  It will only create problems for you.

 

Second, when you see an error underlined in red go to the App Checker and read the error message.  Post a screenshot of it to the forums so we know what it says.

 

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Anonymous
Not applicable

Hello @mdevaney 

 

Thank you for update. Please see below.

 

  • I have removed all forms of Email from any SPO list column title. Now to summarise I have:
    • List 1
      • Column 1 = 'User ID' this is autofilled and contains an email address 
      • Column 2 = 'City' this is left blank to start with
    • List 2
      • Column 1 = 'User ID L2' this is a database of emails (that should match whatever emails get filled in list 1)
      • Column 2 = 'City' this is a filled field, so all emails in list 2 have a corresponding City e.g. UK. This should autopopulate List 1's empty City field

Please see pics.. I think I have messed the simple formula with a silly reference error.. Or how I manually typed in .User_ID in the formula 

LookUp('AD User List', Email = DataCardValue3.Selected.User_ID, City)

 

Should I change the formula to LookUp('AD User List', Email = DataCardValue3.Selected.Email, City) or no? I'm not sure how this formula check if email in list 1 = email in list 2, then pull city field from list 2 for that email. 

 

image.png

image.pngimage.pngimage.png

 

 

 

 

@Anonymous 

For starters, the name is invalid/identifier is not recognized error means you are referencing a field that does not exist.  There are two ways to move forward here:

 

1.  Refresh your datasource if you have not already done so.  Changes to the structure of a SharePoint list will not be reflected in PowerApps until this is done.

2.  If refresh does not work you have typed the wrong field name.  Find the right one.

 

---
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Anonymous
Not applicable

Hello @mdevaney 

 

I kept running into the same issues so just created 2 lists from scratch. Are you able to tell where the incorrect reference is, as I am unsure what is the wrong value I am using..

 

List 1:

  • Column 1: ID Name (this is a 'Person/Group' field in SPO List => Is this an issue? see pic 1 for settings. Should it be free text? 
  • Column 2: City => BLANK/empty

List 2

  • Column 1; ID Name 2 (also a people.group name) 
  • Column 2: City e.g. USAimage.png

image.pngimage.png

image.png

@Anonymous 

Again, your fieldname should not be Email.  DO NOT have a field called Email in List2.  Call it something different such as "UserEmail".

 

aaaa.png

 

'ID Name 2' does not exist in for DataCardValue1.  Simply type DataCardValue1.Selected. in the formula bar and see what options are available in the auto-complete.

 

---
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