Hello I am new in SSRS. That's why I am not sure that can be applied or not? I have a company list. The companies are grouped by their employee amounts. For example, the companies who has more than 10'000 employees or who has more than 9'000 employes etc.. you can see a snap of it. There area 46 companies who has more than 10.000 employees. When I click on to toggle button than it expands and shows me the name of the companies who has more than 10.000 employees. I applied this just for the who has more than 10.000 employees and it worked. When I want to apply to other companies than it gives me the following error. Because I am using multiple datasets for this report.
I cannot group this expression
=First(Fields!Firma.Value, "DataSet5")
To sum up, I used toggle for the report. When I want to add a group to the above expression then it gives me the following error.
KAdir