Cannot remove report parameter list

I want to use a form to control all my report parameters and pass to report thru a run_product function.
However, I found that I cannot remove the default parameter list in report program. Every time the parameter list will prompt out. How can I remove the parameter list in report and it will never prompt out when I run that report?

Hi Kane,
You can hide the paramform by using an extra parameter in the paramlist you are filling in your form.
Use:
add_parameter(<parameter_list_id>, 'PARAMFORM', text_parameter, 'NO');
Hope this helps

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Oracle Reports Parameter List form called through URL bring blank page

We are using 10g Release 2
We are able to load balance all other reports out there.
1. Using run_report_objects in oracle forms
2. Using a URL to call a report directly with parameters.
However we are unable to use the URL function if there there is a hard ware load balancer in front. For the following scenario
1. Using a URL to call an oracle report using its own internal parameters form. This is with the parameter "paraform=yes"
Message was edited by:
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I just found out that IE 6 and IE 7 do not work. However, Firefox does work.

SSAS report action to pass multi-value list of dimention key values to a SSRS report parameter

This was originally posted on StackOverflow and suggested I try here as well.
I want to create a report action in an SSAS OLAP cube that generates a list of formatted values to pass into an SSRS report parameter that accepts a multi-valued parameter list. This would be applied at the
cell level in the SSAS action. I have found a solution that gets me most of the way:
How to Pass Multiple Values from an SSAS Report Drill Through Action to an SSRS Multi-Value Parameter, but not quite. The action does appear in Excel and works
if I run the action from a cell that is at or below the dimension attribute I am generating the list for, in this case,
Account Key.
Below is a link to a screen capture (unable to embed it due to lack of reputation) showing the action and dimension structure in Excel. The action works as long as I run it at the
Account Key level or below. I want to be able to run it at higher levels, such as
Account Major and still have it generate all then related Account Key values for the SSRS report parameter. Running it at the higher
Account Major level does not trigger the report to run.
Excel Action Screen Shot:
http://i.stack.imgur.com/QCGSp.png
Below is the MDX I am using to generate the value for the report parameter:
UrlEscapeFragment(
GENERATE(
DESCENDANTS(
[Account].[Account Key].CurrentMember,
[Account].[Account Key].[Account Key]
[Account].[Account Key].CURRENTMEMBER.Name,
"&rp:Account="
I am hoping that I can somehow modify the MDX above to make it return all the
Account Keys for any attribute of the Account dimension when ran from any measure cell, not just when ran at self and children of
Account Key in the pivot table.
Also, if it helps, I can execute the following MDX query on the cube and get the results I am looking for.
WITH MEMBER [Measures].[Account Key List] as
GENERATE(
DESCENDANTS([Account].[Account].CurrentMember, [Account].[Account].[Account]),
[Account].[Account].CURRENTMEMBER.NAME,
"&rp:Account=")
SELECT {[Measures].[Account Key List]} on 0,
([Account].[Account Company Number].[Account Company Number],[Account].[Account Major].[Account Major]
) on 1
FROM [Company 10 Action Demo]
Below are partial results:
10.116&rp:Account=10.116.010
10.117&rp:Account=10.117.010&rp:Account=10.117.020
10.120&rp:Account=10.120.005&rp:Account=10.120.006&rp:Account=10.120.010&rp:Account=10.120.020&rp:Account=10.120.030&rp:Account=10.120.040&rp:Account=10.120.050&rp:Account=10.120.060&rp:Account=10.120.380&rp:Account=10.120.999
10.123
Questions
Any ideas what I might need to do to get Account Key to be returned for any attribute of the
Account dimension?
Would I possibly have to alter my Account dimension in the cube to get this to work?
Thanks in advance.
Edit 1 - Adventure Works Cube Version
I was unable to get the suggested answer with the "Exists" function to work. To better demonstrate this issue, I have recreated it using the Adventure Works Cube.
I will focus on the Customer dimension, specifically the Customer and
Education attributes. I created a report action called Test Report Action. Below is the XML created for it in the cube.
<Action xsi:type="ReportAction" dwd:design-time-name="f35ad5ee-5167-4fb8-a0e0-0a74cc6e81c6">
<ID>Report Action 1</ID>
<Name>Test Report Action</Name>
<TargetType>Cells</TargetType>
<Target></Target>
<Type>Report</Type>
<ReportServer>SQLSERVER</ReportServer>
<Path>ReportServer?/Test Report</Path>
<ReportParameters>
<ReportParameter>
<Name>Test Customer Existing</Name>
<Value>UrlEscapeFragment(
GENERATE(
EXISTING DESCENDANTS(
[Customer].[Customer].CurrentMember,
[Customer].[Customer].[Customer]
[Customer].[Customer].CURRENTMEMBER.Name,
"&rp:Customer="
)</Value>
</ReportParameter>
</ReportParameters>
<ReportFormatParameters>
<ReportFormatParameter>
<Name>rs:Command</Name>
<Value>Render</Value>
</ReportFormatParameter>
<ReportFormatParameter>
<Name>rs:Renderer</Name>
<Value>HTML5</Value>
</ReportFormatParameter>
</ReportFormatParameters>
</Action>
Below are the steps to re-create the issue.
Connect to the cube in Excel
Add dimension Customer -> More Fields -> Customer
Add measure Internet Sales -> Internet Sales Amount
Right-click Internet Sales Amount cell, select "Additional Actions" -> "Test Report Action" and see customer values created for URL
When the action is ran at this point with Customer, I see the values created in the URL shown message box (since there is no SSRS report server at location specified).
Now the part I'm unable to resolve
Remove the Customer dimension and add Customer -> Demographic -> Education
Right-click Internet Sales Amount cell, select "Additional Actions" -> "Test Report Action"
Nothing happens. If I ran the action on the cell next to "Bachelors", I would want it to build up all the list of all the "Customers" that make up the "Bachelors" in the
Customer dimension as part of the report parameter. If no attributes where used in the cube from the
Customer dimension for that cell, then I would like it to return "All Customers", or something similar to show that all customers are included in the aggregations.
I am not too MDX savvy, thus far. I think I need to somehow join the
Customers to Internet Sales Amount in the Generate function portion. I have tried several different combinations of the
Customer dimension and Internet Sales Amount, along with various functions to see if I could get this to work with no success. I am hoping that someone more knowledgeable the me will have a solution. If you need more details,
please ask and I will provide them.

Simon,
Thanks for you help with this. This morning I found a workaround. Below describes what that is.
What I ended up doing was getting a list of values from a degenerate dimension that I could use to pass to SSRS to get a list of transactions for a report. Below is how I did this, in relation to the Adventure Works cube using the degenerate dimension
Internet Order Details.
WITH MEMBER [Measures].[Order Param List] AS
GENERATE(
EXISTS([Internet Sales Order Details].[Sales Order Number].[Sales Order Number].Members, ,
"Internet Sales"),
[Internet Sales Order Details].[Sales Order Number].CurrentMember.Name,
"&rp:OrderNum=")
SELECT {[Measures].[Order Param List], [Measures].[Internet Sales Amount]} ON 0
,([Date].[Calendar].[Date]) ON 1
FROM [Adventure Works]
This will get a list of Sales Order Number in a text string, separated by "&rp:OrderNum=" for each measure of
Internet Sales. This would allow me to create an SSRS report to bring back detail information for each
Sales Order Number. Below are some sample results.
May 16, 2007 SO50493&rp:OrderNum=SO50494&rp:OrderNum=SO50495&rp:OrderNum=SO50496&rp:OrderNum=SO50497&rp:OrderNum=SO50498&rp:OrderNum=SO50499&rp:OrderNum=SO50500 $12,157.80
May 17, 2007 SO50501&rp:OrderNum=SO50502&rp:OrderNum=SO50503&rp:OrderNum=SO50504&rp:OrderNum=SO50505&rp:OrderNum=SO50506&rp:OrderNum=SO50507&rp:OrderNum=SO50508 $13,231.62
May 18, 2007 SO50509&rp:OrderNum=SO50510 $4,624.91
With this, I can then create a Report Action in SSRS with a Parameter Value of
UrlEscapeFragment(
GENERATE(
EXISTS([Internet Sales Order Details].[Sales Order Number].[Sales Order Number].Members, ,
"Internet Sales"),
[Internet Sales Order Details].[Sales Order Number].CurrentMember.Name,
"&rp:OrderNum=")
The way I was going about it before was flawed, as I was trying to get a list of the granular values from each dimension used to build the measure value and pass each one of those as separate parameters. I just needed to set something unique for each fact
measure transaction that represents the value and uses that in a query parameter for the SSRS report.

FRM-47007: Cannot get parameter WUC_DATA attributes from Parameter List: in

Hi,
I am pretty sure this is a webutil message. I am running 10g through OC4J, all was working well one minute then on startup of the form I get these 2 message 4 or 5 times:-
FRM-47007: Cannot get parameter WUC_DATA attributes from Parameter List: invalid list ID.
followed by:
FRM-47007: Cannot get parameter WUC_DATA_MULTIPART attributes from Parameter List: invalid list ID.
These 2 message are repeated 4 or 5 times then things appear to run fine, I can open and read files, transfer them etc. The only thing I can think I have done differently is add a bean to a data block but when I remove the bean and restart the OC4J I still get the messages.
Any ideas?

Fixed,
I dropped the WEBUTIL object group then added it again by adding the object library then subclassing it to the object group. The error messages are gone.
Cheers

FRM-47013 error: Cannot add parameter P LEVEL to Parameter List REPDATA: pa

Hello! I am using Forms 6i and get the above error-FRM-47013 error: Cannot add parameter P LEVEL to Parameter List REPDATA: parameter with this name exists. when clicking on the Run Report button on a parameter form. I have googled and I'm doing everything I know to do, but cannot get rid of the error. Any help is greatly appreciated! I only have 3 months Oracle experience coming from a VB/C# background.
Here's my code that is on the Run Report Program Unit on the parameter form:
PROCEDURE run_report IS
pl_id ParamList;
pl_name VARCHAR2(10) := 'repdata';
v_rep_num number;
hold_where_clause varchar2(2000);
charFY                                                  varchar2(4);
the_connect varchar2(10);
CharAlertText          varchar2(300); --Alert message text
     NumAlertVal      number; --Alert prompt
begin
     if :CONTROL.BEGINNING_FISCAL_YEAR is null or :CONTROL.ENDING_FISCAL_YEAR is null then
                    CharAlertText := 'You must enter Beginning and Ending Fiscal Years before running this report!';
                    set_alert_button_property('ALERT_1',ALERT_BUTTON1,LABEL,'Ok'); --alert value equals 88
                    set_alert_property('ALERT_1',title,'No Year');
                    set_alert_property('ALERT_1',alert_message_text,CharAlertText);
                    NumAlertVal :=show_alert('ALERT_1');
                    raise form_trigger_failure;
     end if;
     if :CONTROL.BEGINNING_FISCAL_YEAR > :CONTROL.ENDING_FISCAL_YEAR then
                    CharAlertText := 'You must enter an Ending Year Fiscal Year greater than or equal to Beginning Year!';
                    set_alert_button_property('ALERT_1',ALERT_BUTTON1,LABEL,'Ok'); --alert value equals 88
                    set_alert_property('ALERT_1',title,'Invalid Year');
                    set_alert_property('ALERT_1',alert_message_text,CharAlertText);
                    NumAlertVal :=show_alert('ALERT_1');
                    raise form_trigger_failure;
     end if;
--This section creates system identified parameter list.
BEGIN
pl_id := Get_Parameter_List(pl_name);
IF Not Id_Null(pl_id) THEN
Destroy_Parameter_List(pl_name);
--pl_id := Create_Parameter_List(pl_name);
--IF Id_Null(pl_id) THEN
--Message('Error creating parameter list '||pl_name);
--RAISE Form_Trigger_Failure;
--END IF;
END IF;
pl_id := Create_Parameter_List(pl_name);
Add_parameter(pl_id,'P_LEVEL',text_parameter,:control.hierarchy);
IF Id_Null(pl_id) THEN
Message('Error creating parameter list '||pl_name);
RAISE Form_Trigger_Failure;
END IF;
END;
--End section that creates parameter list.
BEGIN
-- This will get the next sequence number from the database to make the
-- report file name unique
select ombil.report_seq.nextval
into v_rep_num
from dual;
exception when no_data_found then
display_error_text(203,'S','N');
raise form_trigger_failure;
END;
If :control.hierarchy = 1 then
hold_where_clause := ' ';
elsif :control.hierarchy = 2 then
     hold_where_clause := ' AND DIV.ID = ' || :control.division_poplist ||' ';
elsif :control.hierarchy = 3 then
hold_where_clause := ' AND DIST.ID = ' || :control.district_poplist ||' ';
elsif :control.hierarchy = 4 then
          hold_where_clause := ' AND PS.ID = ' || :control.psite_poplist ||' ';
elsif :control.hierarchy = 5 then
hold_where_clause := ' AND PS.ID IN ' || :CONTROL.MULTI_PROJECT_SITES ||' ';
end if;
--charFY := 'where to_char(MP.fiscal_year, ''RRRR'') = to_char(:CONTROL.FISCAL_YEAR, ''RRRR'')';
Add_Parameter(pl_id,'PARAMFORM',TEXT_PARAMETER,'NO');
Add_Parameter(pl_id,'DESTYPE',TEXT_PARAMETER,'FILE');
Add_Parameter(pl_id,'DESNAME',TEXT_PARAMETER,:global.cur_reports_path||to_char(v_rep_num)||'.'||:control.format);
Add_parameter(pl_id,'P_WHERE',text_parameter,hold_where_clause);
Add_parameter(pl_id,'P_FY_BEGIN',text_parameter, to_char(:CONTROL.BEGINNING_FISCAL_YEAR, 'DD-MON-YYYY'));
Add_parameter(pl_id,'P_FY_END',text_parameter, to_char(:CONTROL.ENDING_FISCAL_YEAR, 'DD-MON-YYYY'));
--Add_parameter(pl_id,'P_LEVEL',text_parameter,:control.hierarchy);
/*if :control.format = 'CSV' then
Add_Parameter(pl_id,'DESFORMAT',TEXT_PARAMETER,'DELIMITED');
          Add_Parameter(pl_id,'DELIMITER',TEXT_PARAMETER,',');
                    run_product(REPORTS,'es_adm_mit_percent_csv.rep',SYNCHRONOUS,RUNTIME,FILESYSTEM,pl_id,NULL);
else */
          --Add_parameter(pl_id,'P_LEVEL',text_parameter,:control.hierarchy);
Add_Parameter(pl_id,'DESFORMAT',TEXT_PARAMETER,:control.format);
     --end if;
run_product(REPORTS,'es_fish_mit_reqs.rep',SYNCHRONOUS,RUNTIME,FILESYSTEM,pl_id,NULL);
--Destroy_Parameter_List(pl_id);
web.show_document(:global.cur_reports_url||to_char(v_rep_num)||'.'||:control.format,'_SELF');
exception when others then
display_error_text(202,'S','N');
end;
Edited by: [email protected] on Feb 27, 2009 6:35 AM

A coworker figured out that the switchboard data input form was pointed at the wrong executable file. I knew there wasn't anything wrong with my code! I'll remember this one next time!
Edited by: [email protected] on Feb 27, 2009 12:24 PM

FRM-47001: Cannot create parameter list aamir : list with this name exists.

Sir I use parameter list in my form whose name aamir first time when I call report system give result right but second time I call report then system give this error
FRM-47001: Cannot create parameter list aamir : list with this name exists.
Please give me idea how I get print view second time
Thank
aamir

Hello aamir,
Use the following to delete existing parameter.
DECLARE pl_id ParamList;
BEGIN
pl_id := Get_Parameter_List('tempdata');
IF NOT Id_Null(pl_id) THEN
Destroy_Parameter_List(pl_id);
END IF;
END;
Cheers,
Suresh

Reports 6.0 and Parameter Lists and Generate to File

I am using the run_product built in from Forms 6.0 and opening
up a report passing it several parameters via a parameter list.
Everything works great when previewing the report.
There is the option in the report preview under File -> Generate
to File. When I generate a report to file using any type of
format it appears that the report does not use the parameters
that I passed in originally from the form. It appears that it
looses all the parameters I passed in. This is most concerning
to me. Am I doing something wrong or is this a "feature" I
didn't know about? I really would like users to have this
ability.
null

Yes I guess this will work, but the option to generate to file
is extremely misleading if you ask me. This option should
generate the current report with the current parameters. This
is unacceptable as far as I am concerned and should be
considered a bug. Oracle needs to give us more control over
FORMS and REPORTS into all too many situations I have been
frustrated because I am not able to do something that I want to
do.
I feel in general REPORTS object is very limited compared to
crystal reports....
Dan Paulsen (guest) wrote:
: Give the user the option on the calling form whether to save
the
: report to file or just view it. If they want to save to file,
: pass the parameter to save to file when you call the report
and
: suppress the parameter form, this will eliminate the problem.
: Spencer Tabbert (guest) wrote:
: : I am using the run_product built in from Forms 6.0 and
opening
: : up a report passing it several parameters via a parameter
: list.
: : Everything works great when previewing the report.
: : There is the option in the report preview under File ->
: Generate
: : to File. When I generate a report to file using any type of
: : format it appears that the report does not use the
parameters
: : that I passed in originally from the form. It appears that
it
: : looses all the parameters I passed in. This is most
: concerning
: : to me. Am I doing something wrong or is this a "feature" I
: : didn't know about? I really would like users to have this
: : ability.
null

Report Parameter form not showing list of values in Report svr

I was using reports 6i where I used to have list box in report parameter form. I now converted recompiled my reports in 10g and when I run I am not geting the list of values. I get the values as a list below the field
ex.
ITEM :___________
box,book,pencil,rubber,
dvd,floppy...
previously it was coming as a list in the item field
thanks
MG

Hello,
http://www.oracle.com/webapps/online-help/reports/10.1.2/topics/htmlhelp_rwbuild_hs/rwwhthow/howto/params/pmp_creating_list_of_values.htm?tp=true
If you run the report from a Web browser and the list of values is unrestricted, the HTML Parameter Form will display a text field instead of a combo box, and a list of static values that you can copy and paste into the text field.
Regards

Passing a parameter list from a web form to a report

I am using FORMS6 and REPORTS6, with OAS 4.07 on NT4 (SP3).
In client server mode all works well - i am able to pass parameter lists from my calling form to the relevant reports and view them (using RUN_PRODUCT).
However, when i try and do the same by deploying the web Form I come up against several obstacles.
1. How do you pass a parameter list over without using "Paramform=Yes" - a waste of time seeing a html version of the reports parameter form when all the necessary parameters have been selected in the form.
2. if i use web.show_document, with paramform=no, the report runs but with it's default settings.
Any light you can shed would be greatly appreciated.

Hi Tony ,
Launcher form is just a simple form(Non database form) which will be having all fields that is required for the report and button to run the report .
When button pressed trigger
Pass all the parameters which are required using Run_product tool & Call the report by Web.Show_document
Best way to see the report is in .pdf format in adobe acrobat reader
I hope it will help you
Bye
Rao guduru

Cannot publish iMovie project paramerr: error in user parameter list

When trying to publish imovie project, getting message:
Unable to prepare project for publishing.
The project could not be prepared for publishing because an error occurred. (ParamErr: error in user parameter list)
Can anyone help explain what to do? My first project.
Thanks!
Rick

Hi
Error -50 paramErr Error in user parameter list
Can there be any external hard disks - if so How is/are it/they formatted ? Must be Mac OS Extended (hfs) if used for Video.
UNIX/DOS/FAT32/Mac OS Exchange - works for most but not for VIDEO.
What this means in Your situation is above me.
• free space on internal boot hard disk? How much ?
Video codec
• streamingDV, AIC etc. (not .avi, .mp4, .m4v, .wmv etc as they are containers not codecs)
Pictures
• in what format ? .jpg, .bmp, .tif, else ?
Audio
• from where/what format ? iTunes, .avi, .mp3, .aiff, else ?
The "com.apple.iMovie.plist" file
Many users has not observed that there are TWO libraries.
• Library - at root level
• Library - in user/account folder - THIS IS THE ONE to look into
from Luke Burns
I fixed the problem.. but it was very, very strange. I had a very long section for credits and set the line spacing to 1.0.. for some reason this caused it. I removed it, and it worked fine. I put it back, and I couldn't preview or play the video.
I don't know why that could cause that big of a problem, but it did..
Klaus1
You need more free space on your hard drive.
jonorparkerjon
After phone support from apple I ended up creating a new project and adding all 117 clips back in individually till I found out what clips flagged and would not allow me to export. I had 3 I deleted and replaced and everything works now 1hr after tedious work....
Where do Your material come from
• Camera
• External hard disk
• USB-memory
And all are connected so that iMovie can find it ?
Yours Bengt W

Report Viewer Dynamic Parameter List not showing a complete list of values

Hi, I have installed the crystal report runtime 13.0.1.220 for framework 4.0 in a 64-bit windows 7 professional server.
I have an aplication that opens crystal reports using the crystal report viewer control for visual studio 2010, also version 13.0.1.220.
ISSUE: The report opens fine, but it does not shows all the available values in the dynamic parameter list.
I have tried setting the MaxRowsetRecords registry key to diferent values but it does not work.
I do not have any crystal report stand alone version installed in my server.
Please help me?

Hi Ludek,
yes i followed the instructions of the KBase you are mentioning, but it isn't working for me.
I modified the following keys:
HKEY_LOCAL_MACHINE\SOFTWARE\SAP BusinessObjects\Crystal Reports for .NET Framework4.0\Crystal Reports\DatabaseOptions\LOV
and
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\SAP BusinessObjects\Crystal Reports for .NET Framework4.0\Crystal Reports\DatabaseOptions\LOV
1) I had to create the LOV key under the DatabaseOptions in both keys.
2) Inside the LOV keys I created the new string value MaxRowsetRecords and set the value to different values. (Ex: 5000, 10000 and 1000000)
3) I restarted my server. Still not working.
4) Then after that i modified the following registry keys: (leaving the first 2 keys modified)
HKEY_CURRENT_USER\Software\SAP BusinessObjects\Crystal Reports for .NET Framework4.0\Crystal Reports\DatabaseOptions\LOV
and
HKEY_CURRENT_USER\Software\SAP BusinessObjects\Crystal Reports for .NET Framework4.0\Crystal Reports Designer Component\DatabaseOptions\LOV
5) Also had to create the LOV key under the DatabaseOptions in both keys.
6) Inside the LOV keys I created the new string value MaxRowsetRecords and set the value to different values. (Ex: 5000, 10000 and 1000000)
7) Restarted my server. still not working
8) Then after that i modified the following registry key: (leaving the first 4 keys modified)
HKEY_CURRENT_USER\Software\SAP BusinessObjects\Crystal Reports for .NET Framework4.0\Crystal Reports Designer Component\ReportView
Inside this key I created the DWORD PromptingLOVBatchSize and gave it a decimal value of 1000000
9) Restarted the server. Still not working. For crying out LOUD!!

How to remove "Records passed" list when printing ALV report

Hi all,
I have developed an ALV report, in which I have used reuse_alv_list_display functional module to print the output. After pressing print button, when I view the output in spool request transaction, an additional list with Number of records passed and "Calculated total records" is displayed. How to remove this additional list.
I am using Get_print_paramaters FM to print.
Thanks,
rajan

Hi
Suppress the messages of the FM by commenting the exceptions and message statement
Regards
Shiva

11g Upgrade - removal and new parameter list queries

Hi All,
We are planning to upgrade the 10.2.0.4 E Business suite (11.5.10.2. ) database to 11.2.0.1.
We have few removal and new parameter list in 11g database based on the note 216205.1
We will be having the compatible mode as 10.2.0 before and after the upgrade until the system gets stable. So until we change the compatible to 11.2.0, do we need to have the parameters in the removal list or we can remove that even if we have the compatible as 10.2.0 during the upgrade.
There are also two new parameters optimizerautostats_job=false and sec_case_sensitive_logon = FALSE.
Please let us know if we can have these new /removal parameter changes when we have the compatible as 10.2.0 in 11g database.
Thanks & Regards,
Rakesh

Rakesh,
Please let us know if we can have these new /removal parameter changes when we have the compatible as 10.2.0 in 11g database.You can have those parameters, and you can remove it later once you are done with the upgrade.
Note: 881505.1 - Oracle Applications Release 11i with Oracle 11g Release 2
Adjust the Initialization Parameter File for the New Release
http://download.oracle.com/docs/cd/E11882_01/server.112/e10819/afterup.htm#CEGHAAFH
Thanks,
Hussein

Internal parameter - The report parameter is read-only and cannot be modified.

Hello,
We have an SSRS report that has an Internal parameter for the user that is logged in (gets the Report.User!UserID in custom code and assigns to parameter called Login). We would like it to remain internal as it is for security purposes - we filter
data depending on whether or not the user has access. We would not like it to be accessible from the URL. The report has drill-through functionality where the user can click a link and the report is filtered on certain criteria. This seems
to work fine in SSRS 2005, but since i have upgraded the report to SSRS 2012, I am getting the error on the drill-through:
The report parameter 'Login' is read-only and cannot be modified. (rsReadOnlyReportParameter)
The properties in Report Manager have the "Hide" option selected. Any help would be appreciated. Thanks.

Hi Hhewson,
In Reporting Services, if you create a hidden parameter, you can set values for it on a report URL or in a subscription definition. If you set a parameter to Internal, it is not exposed in any way except in the report definition. An internal parameter must
have a default value, which can be null if the Allow null value option has been selected. Internal Parameters are not configurable by the end-user at run-time.
In your scenario, I suggest you changing internal parameter to hidden parameter to check whether the issue persists.
Reference:
In SSRS, how does an “Internal” parameter differ from a “hidden” parameter?
Hope this helps.
Regards,
Heidi Duan
Heidi Duan
TechNet Community Support

Cannot remove report parameter list

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