query aliasing in select command

i want to alias a column with space separeted Name as follows

    SELECT REGIONS.REGION_NAME as Region Name from tblRegion
but it gives me error.
i can do it as follows

    SELECT REGIONS.REGION_NAME as 'Region Name' from tblRegion
but i want it without qutation.i bind the query in gridview and gridview header should look Region Name.i bind the query dynamically.So i need the aliasing.how to do it?