Is there anyway to reset the identity of a Table Variable?

Question

Say I have a table variable:

DECLARE @MyTableVar TABLE (ID INT IDENTITY(1,1), SomeData NVARCHAR(300))

After I have inserted 250 rows, I nee

Answer 1

Instead relying on an Identity, why not use the new ranking functions such as Row_Number

Insert @MyTableVar( Id, Value )
Select Row_Number() Over ( Order By Value )
    , Value
From SomeOtherTable