How are you asssigning the dataset to the report?  You need to be sure to set the DataSource of the report to the DataSet in your application prior to viewing the report.  This way it will correctly point to the instance of the DataSet that has data in it.

 

I work with the ReportDocument object model instead of the Crystal Viewer object model.  Here's a sample of what I do in C#:

myRpt = new MyCrystalReport();
rpt.SetDataSource(myDataSet);
viewer.ReportSource = rpt;

 

-Dell

 

CR is a learning curve, I agree if you can connect and run MS Reports you are ok. Don't forget to save the CR report, after tweaking changes. Last, I had to manually change in Set Datasource Location ->

Provider: SQLOLEDB

you may want to try the other connection types.