Hide parent group if child groups are hidden

Question

I have SSRS 2005 report.
Report structure - To show a particular account transactions for every company.
So user will select account then i have to show all transactions for that account for all companies.
Parent group - Account
Child group - Company
Details section is like below,
transactions id            transaction type          debit
          credit              difference
In the groups visibility for compnay group (chile group) i have set condition if diff is zero then hide
so its hiding child groups. but showing account i.e. parent group. 
My Report looks like,
Account : Acc001 (Parent group)
Company - ABC     (child group)
transactions id            transaction type          debit  
        credit          
difference    
t1                                   type 1                        4
t2                                   type 2                                    
        4
total by company            4                    4                   0
Company - XYZ            (child group)
transactions id            transaction type          debit  
        credit           difference    
t3                                   type 1                        100
t4                                   type 2                                    
         100
                                   total by company           100               100      
         0
total by account              104             104                 0       
so i am hiding companies ABC and XYZ but report still show last row total by account. so if abc and xyz are hidden i want to hide that account group (for e.g. Acc001).
h2007

Answer 1

Hi h2007,
According to your description, you have a report with detail rows showing transaction information, child group showing companies, and parent group showing account. Now you want to hide the detail row if the difference(debit-credit)=0, and if the detail row
is hidden, you want to hide the company as well. Right?
In Reporting Service, we can’t use a property of a text box as an expression when we use IIF() function to evaluate. But we can put this whole IIF() expression into a IIF() function for another textbox or group to set visibility. We tested your case in our
local environment. It works fine and completely achieve your goal. Here are steps and screenshots for your reference:
Create a table as described.
Right click on any textbox of detail row. Select Properties.
Click on Visibility tab, put this text into expression:
=IIF(SUM(Fields!Debit.Value)-SUM(Fields!Credit.Value)=0,true,false)
Select toggled by its parent group (Company).
Repeat step2 and step3 for each textbox of detail row.
Right click on textbox of Company. Select Properties.
Click on Visibility tab, put this text into expression:
=IIF(IIF(SUM(Fields!Debit.Value)-SUM(Fields!Credit.Value)=0,true,false),true,false)
Select toggled by its parent group (Account).
Right click on textbox of Account. Select Properties.
Click on Visibility tab, put this text into expression:
=IIF(IIF(SUM(Fields!Debit.Value)-SUM(Fields!Credit.Value)=0,true,false),true,false)
Go to Properties window, set InitialToggleState Expanded for Company and Account textbox
Save and preview.
Reference:
Expression Examples (Report Builder and SSRS)(See Properties->Visibility)
Expression driven visibility in a report
Best Regards,
Simon Hou