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Support Article

Error after choosing a decimal value from from a dropddown



Error occurs when trying to choose value from list of decimal values (e.g. 0.10) in a dropdown when using ru_RU locale of Operator.

Error Messages

0.10 is not a valid decimal value

Steps to Reproduce

1. Create property of type Decimal, set UI control to pxNumber, set table type as Local List, add values to local list (e.g. three values: 0.01, 0.05, 0.10)
2. Create a section, add dropdown control to the section. Choose a property name from step 1. Set List source type as defined on property. Edit options on Presentation tab - auto (the same effect for read-only and editable)
3. Add section to any flow action. Try to proceed the flow with this section.
4. Error message occurs on dropdown.

Browser Chrome 39.0.2171.71, Internet Explorer 9


Root Cause

A defect in Pegasystems’ code or rules.
The pxDropDown control doesn’t work properly with decimal validation when the local used is using comma as separator.
This happens because the pxDropDown control is passing the value with dot as separator without taking account of the user local. Then validation process the value and return the error.


Perform the following local-change: 

-    First solution: Disable client side validation as the flow action/harness level by unchecking "Enable client-side validation":

-    Second solution: Use a text property instead. If you need a decimal property for some calculation, you can populate it via a declare expression. See example below:
Text property definition:


Declare Expression on which a decimal property will be populated:


Published January 31, 2016 - Updated October 8, 2020

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