SQL Server check resultant data type of expression

Question

Normally I would put the data type into a temp table and inspect the table column type, e.g.

select 1.0 N into tbl

sp_help tbl

Column N th

Answer 1

All that I can think of are the ISNUMERIC and ISDATE functions.

These will return a 1/0 when passed an expression. I can't think of anything that will return the type if given an expression unfortunately.

UPDATE:

Try SQL_VARIANT_PROPERTY! I think this is what you are looking for. Hard to track down...