Getting a specified string part/ valaue from table.. LINQ to Entities

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LINQ

Helo folks!

I have some trouble to get this to work :


Explanation

database table have

Column: COOKIE
Values : selected: test1, test2 ,test3, selected1:pointer, socket ,burner ,EFE, stolen



Now i need to retrieve a string part "EFE" with LINQ to Entities ... i tryed on this way :


ContextEntitie db = new ContextEntitie()


List"<"string">" cookieToDelete = new List"<"string">"(); <-------- here i have allreayd "EFE" string..

public string cookieToWanish;

foreach(string cookie in cookieToDelete)
{

cookieToWanish = cookie;



var deleteCookie = db.Users.Single(co => co.COOKIE.Contains(cookieToWanish);
db.UserPreference.DeleteObject(deleteCookie);


}
db.SaveChanges();


The problem is that nothing happens i cant delete that par of string ..
please help!


Best Regards !

Xeptz