custom attribute to set string lenght dynamically

Hi Nageshwar,

 

You can't have dynamic value assignment in custom attributes. Here what you can do is you just annotate your attribute to the property that in turn read the configuration from the web.config file. Your attribute will not take any parameter from the user as like RequiredAttribute and internally you should read it from the web.config. I suggest to write your custom configuration section for the configuration.

 

Hope, this will make sense and help you out. Feel free to write me if more information is required.