Crystal Report Compatiblity

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Hi All,

I am new to crystal report and done a small report for a project. I
have a problem now.

I am using Crystal Report 9.0 which comes with Visual Studio 2003 at
my development envrionment. But our customer is having Crystal Report
11.0 runtime at their server envrionment which is a production site
now. I supposed to go to the customer site and need to work on their
few reporting requirements.

I tried placing compoents developed using Crystal Report 9.0 on the
server envrionment which is Crystal Report 11.0, but I am getting
errors on deployment. I check with their site and I have seen that
Crystall Report 11 demo is downloadable.

Is it recommedned to download Crystall Report 11 Demo version and
build reports?. Does it show any licensing messsages to the customer
after the evaluation period over? For me, I will complete the
development activities in two weeks and deliver the component to the
customer site.

Please guide me..

Thanks in advance,

Krish