Vertical and Horizontal Totals Calculation
A SharePoint Workflows tutorial by Peter Kalmström
 The
SharePoint,Totals? feature can be used to summarize values
in a SharePoint column, and the result of the calculation
is shown on top of the column that has been calculated.
This is a very useful feature but it has two problems:
- The Totals view cannot be used in modern lists.
- The Totals view cannot be used on calculated columns.
Only Microsoft can solve the UI issue, but a a workflow
can solve the problem with the calculated column.
In the demo below Peter Kalmström, CEO and Systems Designer
of kalmstrom.com Business Solutions, shows how to build
a workflow that calculates the sum of values in two currency
columns and adds it to a third currency column. As we are
not using a calculated column, we can add the Totals view
to all three columns and get both vertical and horizontal
sums.
Calculate sums workflow
A list item?s,Total Cost??? column cannot be updated with
a calculation directly in an,Update Item? action. Instead,
Peter uses a local variable that gets its value from a,Do
Calculation? action.
- Create a new SharePoint 2013 workflow that is run
every time an item is created or changed. Go to the
end of the workflow.
- Add the action 'Do Calculation' for the sum of the
two values that should be summarized. Output the result
to a new variable.
- Add the action 'Set Field in Current Item' and set
the field to the total cost. Set the value to the variable
you created in the previous step.
- Check, publish and test the workflow.
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