data annotation in mvc

HI Sandeep

 

Apart from validation, it also help the way you want to display the property. Further if you are using code first approach to create your entity and interact with your database using entityframework there also dataannotation is needed to identify the key and required.

 

You can refer following link for the same :

http://www.entityframeworktutorial.net/code-first/dataannotation-in-code-first.aspx

 

Regards,

Mukesh Nayak