How to update record using LINQ programmtically?

to update record using LINQ programmtically

eInsuranceDataContext = new eInsuranceDataContext(); // LINQ object

// News is the database table inside the LINQ object, NewsMastKey is the primary key that is used to compare the value

objNewsMast = NewsMasts.SingleOrDefault(Rec => Rec.NewsMastKey == 2);
if (objNewsMast != null)

objNewsMast.Dsc = "Today News";
objNewsMast.Title = "Latest News";
objNewsMast.Ext = "Mpg";



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