Xamarin Forms.Xaml.XamlParseException

Question

I am creating a xamarin behaviour to validate an email id, therefore I created the behaviour file and tried to localise it in XAML file but I get the below error

Answer 1

Please Make sure that the assembly name in XAML is correct. it should be like this xmlns:local="clr-namespace:ProjectNamspace.Validation;assembly=ProjectNamspace.Validation"