Let's backup a bit.

Is this a web app or desktop? Where is the context defined?

>Hi everybody,
>
>I am writing a method to delete a cient in my Repository class. Here is what I've started from:
>
>

>public void DeleteClient(int clientId, bool autoCommit = true)
>        {
>            var ReordersQuery = from reord in this.Reorders
>                                where reord.ClientId == clientId
>                                select reord;
>
>            if (ReordersQuery.Any())
>                //throw "Client " + clientId.ToString() + " can not be deleted because it has related rows in the ReOrders table!";
>
>        }

>
>I read help on throw as I need to throw a new exception. My question is - what kind of exception it should be?
>
>Thanks in advance.