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Is there anyway of achieving this using Data Annotations so client and server side validation would work.Paul is the COO of kwiboo ltd and has more than 20 years IT consultancy experience.He has consulted for a number of blue chip companies and has been exposed to the folowing sectors: Utilities, Telecommunications, Insurance, Media, Investment Banking, Leisure, Legal, CRM, Pharmaceuticals, Interactive Gaming, Mobile Communications, Online Services.and are resolved as views by stripping the '.html' suffix off the file name.Thymeleaf settings can be changed and overridden in a variety of ways depending on what you need to achieve, but the details are not relevant to this guide.By validating a plan guide, you can determine whether the guide can be used by the optimizer without modification.
Based on the results of the function, you can decide to drop the plan guide and retune the query or modify the database design, for example, by re-creating the index specified in the plan guide.
The Is Guid takes a string that is a global unique identifier.
It checks if it fits the regular expression represented by the is Guid objects and returns a boolean value accordingly.
I know this is an old question now, but if anyone else is interested I managed to get around this by creating an [Is Not Empty] annotation (making the Guid nullable wasn't an option in my case).
This uses reflection to work out whether there's an implementation of Empty on the property, and if so compares it.
Plan guides can become invalid after changes are made to the physical design of the database.