Validating the grid total
This validation ensures that the grid total (Other_Charges_Total) equals the sum of the line item totals (Total)
About this task
There are different methods to do this calculation. You can attach the following rule to the page's Close element:
The validation action looks a little unusual:
CalculateFields("'Total' = 'Other_Charges_Total'")The reference to Total sums all of the child fields that are labeled Total. The action then compares the sum to the Other_Charges_Total field.