CR2008 Parameters value list

We are using CR2008 and have trouble using parameters which is explained below :

1) When defining parameters in Crystal, which is interfaced with SAP ERP, we are unable to see the full list of values from the source when using static parameters .

On researching SDN, we found some registry changes we could make and have already done that but still we only see couple of values.

Also tried using dynamic value and still the same result. We are unable to see the complete list from where we can select .

Your help will be greatly appreciated.

Thanks .

Hitesh Mehta