In
the previous demos, Peter Kalmström, CEO and Systems Designer
of kalmstrom.com Business Solutions, showed three methods
for creating new items in a canvas app built on a SharePoint
list.
In the demo below, Peter instead shows how to add a button
that removes items from the list.
The app Peter uses in the demo is the same as in earlier
demos about the recurring tasks app, but the aim here is
just to show the formula for removal of SharePoint items
from an app.
For this exercise, Peter just adds a new button, and adds
three formulas to the button, for removal, notification
and navigation.
The Remove function takes two arguments, the name
of the SharePoint list and the item that was selected
in the gallery, so Peter's formula is: Remove('Tasks
To Do', galTasksToDo.Selected).
The Notify function takes the argument message,
and Peter also uses the notification type Success: Notify:"Task
removed. You can restore it from the SharePoint Recycle
Bin",NotificationType.Success).
The Navigate function, takes the user back to the
TasksList screen (which has the TasksToDo gallery).
Peter uses the cover transition: Navigate(TasksList,ScreenTransition.Cover).
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In
the previous demos, Peter Kalmström, CEO and Systems Designer
of kalmstrom.com Business Solutions, showed three methods
for creating new items in a canvas app built on a SharePoint
list.
