i had stored a large file upto 300 mb in pg_largeobject table,
but when i m going to remove this large object data,
exception occur "server did not respond within the specified timeout interval"

following query are used to remove the large object

Call Database.ExecuteSQL("select lo_unlink(" & oid.ToString & ")")

where oid is the loid field of pg_largeobject table

-- HireN Lad