How to add day to date in Linq to SQL

Question

I am writing this code. Here dt is input into the function, as well as someint. The column Exp is a T-SQL date column, which comes as a DateTime through Linq.

Answer 1

Create a new DateTime object and use AddDays method after that:

new DateTime(t.Key.Year,t.Key.Month,T.Key.Day).AddDays(xx)