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Check Date Availability for a Sharepoint item and then change Edit Lookup to show items available

I have 2 lists in Sharepoint.

One list with all the Apartments.

A second (main) list with all the guests that are registered (including their arrival and departure date, and what apartment they are staying in.) The guest can choose an apartment to stay in, and I want the dropdown list in the PowerApps app to show only apartments that are not already booked during that time (apartments that don't have arrival or departure dates that overlap with the new applicants arrival and departure dates).
Does anyone have any guidance on how I could do this?

Thanks.

26 REPLIES 26

@MeneghinoI have the custom form up and working well now! Thank you!  I need to make it so when you select a data entry then it sets the default values for the edit boxes though. 

For the first one I have this 

If(IsNew,"",First(CurrentRecord).Value)

But how do I do the same thing for the second one instead of using "First"?

I've discovered that PowerApps does not allow for indexing, so I may just trying switching over to using either single record tables or when global variables are implemented I can use those.

Hi @Alerts_OM_USA

 

Regarding your question on First(CurrentRecord), maybe I am missing something, but if your record has many fields then you do

First(CurrentRecord).MyFieldName for each field where you need to set the default value.

If instead you are saynig that CurrentRecord contains more than one record that you need to edit, then what I do is set CurrentRecord as the Items property or a gallery and place the controls in the template of the gallery.  That way you can concurrently edit any reasonable number of records.

Please let me know if I am barking up the wrong tree.

 

In regards to your last comment on indexing, I am not sure what the issue is.  Could you please clarify?

Many thanks.

Ah I see the mistake I was making. I was thinking that each column was a different record, so I was trying to call the first, and then the second record, instead of just different columns from the same record.

 

I've finally finished the form though! Thank you so much for all your help! I still have several delegation problems not working with Sharepoint over 500 items, but for now it's working, but I'm really hoping they add those features so I don't have to find a work around.

@Meneghino

This question is off topic, but still has to do with my original app, but would you know how to make it so that the Add Picture Media resets its image, and/or sets its images to the item/entry's image1? Right now, whenever I view a registered guest, instead of showing the image that was taken or uploaded by the person who registered I just see the last image that was added to that Add Picture Media object.

 

Do you know any ways to work with this?

Thanks

I have ran into the same problem. Can you please elaborate how to use Update()?

"Let's call the above expression BookedApartments" - How do you do this? Where does this code go?

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