</tab>
{{Attention|In both cases, it is necessary that the format of the input matches the format of the property value, which will be explained more in the Comparison section on filteringbelow. In the above examples, this is applied in the Tag property (UWP) or through use of a secondary control (a Label in the Xamarin example).}}
</tabs>
<br>
[[Category:Client|Custom Filtering]]
[[Category:Filtering|Custom Filtering]]
[[Category:Styling|Custom Filtering]]
[[Category:WinX|Custom Filtering]]
[[Category:XAML|Implement Custom Filtering]]
[[Category:Xamarin|Custom Filtering]]
==== Comparison ====
Since the EvalExpression approach utilizes string comparisons, not only is it necessary to format the input string, but the property value must also be formatted to match. The 'yyyy/MM/dd' format includes several measures to create the best conditions for comparing the two strings;