I have a program that I am starting to write that uses LINQ to fetch
SQL information.
I add a Linq to SQL class and it is called site with the Site ID being
the primary key that is an autogenerated number and the SiteName which
is a varchar(50). Neither field allows nulls.

so now the code giving me an issue

 Site db = new Site();
            var query = from sn in db.SiteName   //<===== This line is
erroring out
            select sn;


With the error
ArgumentNullException was unhandled
Value cannot be null.
Parameter name: source

I do not understand why this is happening. I am just quesrying the
data (only 3 items in table)

Can anyone explain to me what am I missing here?

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