Client applications supports text, unitext, and image datatypes as input parameters to stored procedures and as parameters to dynamic SQL statements.
These connection capabilities facilitate login negotiation for use of large object (LOB) datatypes as parameters:
CS_RPCPARAM_LOB – client applications send this request capability to the server to determine whether LOB datatypes can be used as parameters. The server clears this capability bit in the initial login negotiation when it cannot support the feature, and an error occurs when you attempt to send LOB datatypes as parameters to such a server.
CS_RPCPARAM_NOLOB – client applications send this response capability to request the server to withhold sending LOB datatypes as parameters. This capability is turned on by default.