Entity Framework with Database First model

Question

I am developing in ASP.NET MVC with EF 4.1 with Data Annotations. The client side validation is working as expected. But I have this doubt. For example when a required field (example: product name) , goes null from the client to server and if the entity model is throwing exception. How can I handle this case?

Some additional info is that, I consume the EF via WCF service layer

uv_man · Accepted Answer · 2013-02-14 10:20:13Z

1

You should be validating the model on the server side/controller too by calling model.isvalid, for more info on MVC server side validation:

http://msdn.microsoft.com/en-us/library/dd410404(v=vs.90).aspx

Hope that helps.

answered Feb 14, 2013 at 10:20

uv_man

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3 Comments

Techonthenet Over a year ago

That looks great. I thought of firing the Data Annotation validations by default without doing this manual validations

uv_man Over a year ago

You could implement a custom action filter, which calls the isvalid on the model before, there's a nice little blog on it here: ben.onfabrik.com/posts/…

uv_man Over a year ago

Just be cautious doing it this way as it might add some confusion.

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