Puoi utilizzare ROW_NUMBER
in TSQL (dal 2005 in poi) per fare questo:
SELECT ID, Foo, Bar
FROM (SELECT ROW_NUMBER() OVER (ORDER BY ID ASC) AS Row,
ID, Foo, Bar
FROM SomeTable) tmp
WHERE Row >= 50 AND Row <= 100
O con LINQ-to-SQL ecc:
var qry = ctx.Table.Skip(50).Take(50); // or similar