Patch SharePoint list from Gallery collection using ForAll/Patch functions

[billmarx38]

I am pretty new into PowerApps and got stuck with this - I have seen almost similar issues in forum but haven't really seen working solutions.

so I have a simple custom SharePoint list as below

I have PowerApp  (this is my second screen) and get ClearCollect(selectedProj,'Projects - Timesheet') which all ok at this stage. This collection used to my Browser Gallery1.

After I modified the gallery I wanted to update my sharepoint list from Gallery1.Allitems

Spoiler

The question is when I hit Submit button, only one row gets updated using below function
I know I am missing something but I don't what are they.
Appreciate your help in advance.

[rio688]

Hi @billmarx38 

Not sure if this will make any difference but have you tried changing the lookup in the Patch to 

'Projects - Timesheet', Lookup('Projects - Timesheet',ID = ThisItem.ID),

{The rest of the Patch Command}

Because you have done a clearcollect on the whole sharepoint list you should have pulled down the Sharepoint ID for each row, you can then use this as the anchor point for the Patch back.

Dan