While define the format against the loaded culture, error class will be added to the input element if we select the date after 12.
Replication Procedure:
1. Craete the sample with below code <EjsDatePicker Format="dd/MM/yyyy" Value=@(DateTime.Now) FloatLabelType="FloatLabelType.Always"></EjsDatePicker> 2. Load the de culture. 3. Run the sample and select the date after 12. 4. See the error class will be added to the input element.