SELECT cast(ProductID AS NVARCHAR ) + ',' from [Order Details]
where OrderID = '10248'
FOR XML PATH('')
SELECT ',' + ltpid
FROM V_ltp_main WHERE ltpkind = 2
FOR XML PATH('')
SELECT STUFF('abcdef', 2, 3, 'ijklmn')
select STUFF(
(SELECT ',' + ltpid FROM V_ltp_main WHERE ltpkind = 2 FOR XML PATH(''))
, 1, 1, '')
<appSettings>
<add key="aspnet:MaxHttpCollectionKeys" value="5000" />
</appSettings>