LINQでUPDATE

LINQでUPDATEを行う

string vId = "12345";
using (var db = new ExpenseDataClassesDataContext(ConfigurationManager.ConnectionStrings["ExpenseConnectionString"].ToString()))
{
ClaimHeader ch = db.ClaimHeader.Single(s => s.Id == vId);
ch.Status = "De";

db.SubmitChanges();
}