Hello,

For string columns please try to check by empty values not by null:
datasource.column == ""

Thank you.

Hello,

Please send us your .mrt file for analysis.

Thank you.

Hello,

Please check the following expression:
{(ContractStaff.CostRate) * 1.06m < (ContractStaff.BillRate) ? "*" : ""}

Thank you.

Hello,

You are welcome.

Hello,

Please send us your report for analysis.

Thank you.

Hello,

Please try to use the Request from user Variables for filtering and set the RequestParameters option for the report. In that case, report/dashboard will be rendered after submitting filter values.

Thank you.

Hello,

Please add @Portfoliodate parameter to the data source.

Thank you.

Hello,

To show an array of records, you should use the DataBand component. To display nested objects, you can use the master-detail construction:
https://www.stimulsoft.com/en/documenta ... report.htm

Thank you.

Hello,

Yes, it is possible. You can place several DataBand components with different data sources on one page.

Thank you.

Hello,

We do not understand your explanation.
You can add three pages in one report and use on each page only necessary dataset as you need.

Thank you.