FYI. Unless @ has a meaning in .net it has no importance in Sql Anywhere. Unlike Sql Server, you don't have to start a variable with an @ sign.

>>Not sure at all, but what if:
>>

>>loODBCDataParameter = New OdbcParameter()
>>loODBCDataParameter.ParameterName = "@Last_Date" -- put the @ ate the beginning of the parameter name?
>>

>>
>>And BTW why I think you should have a question mark somewhere where the parameters should be placed?
>>

>>"Select Last_Date From RO Where Last_Date > ?"
>>

>>(again not sure :-))))))))))))
>
>Wow, this is surely it. The following works:
>
>

>                    loCommand.CommandText = "Select Last_Date From RO Where Last_Date>?"
>                    loODBCDataParameter.ParameterName = "@Last_Date"
>

>
>Thanks