SQL custom functions in Enterprise Library

Database db = DatabaseFactory.CreateDatabase("ConnectionString");
DbCommand cmd = db.GetStoredProcCommand("FunctionName");
db.AddInParameter(cmd, "Value1", DbType.String, Param1Value);
db.AddInParameter(cmd, "Value2", DbType.String, Param2Value);
return Convert.ToBoolean(db.ExecuteScalar(cmd));

SELECT FuncName(@Param1)

SELECT * FROM FuncName(@Param1)