Data Annotation/Validation and dynamic values

Question

If some of my models have dynamic validation conditions (i.e. the string length can be minimum of 8 or 12 depending on a database value or some other dynamic value) is it impossible to use data annotation for validation?

From what I understand, the values of any parameter (example StringLength min/max value) have to be truly static. Are there alternatives for applications that have dynamic validation values?

If the validation changes through time your DataBase Data may not valid after sometime is it a good idea ? — ali62b
– ali62b, Commented Jan 23, 2010 at 6:14
@ali62b - I can safely assume it will always be valid since only administrators will have access to these values. — Omar
– Omar, Commented Jan 23, 2010 at 14:57

John Farrell · Accepted Answer · 2010-01-23 06:12:21Z

3

Your pretty much stuck with writing your own custom validationattribute:

http://msdn.microsoft.com/en-us/library/system.componentmodel.dataannotations.validationattribute.aspx

answered Jan 23, 2010 at 6:12

John Farrell

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