non-required parameter

I using BI development studio to create some reports and one of the stored procedures that I have takes in 4 parameters.

ManagerID int =0
OfficeID int =0
StartDate datetime
EndDate datetime

In the report designer I use 2 other sql queries to populate ManagerID fields and OfficeID Fields.

The report will work if the customer selects both ManagerID and OfficeID fields but will not work if Manager OR OfficeID fields are select. They both have to be selected or an error message will be displayed stating that the non-selected field must have a value.

The the parameters properties section I have changed the type is integer and select allowed NULLs, I have even set the default value to 0 this didn't work. Then I tried changing the type from integer to string and selected 'allowed blanks'.

I still get the popup message stating that the non-select item must have a value.

Is there a way I can select 1 and not the other?

why not to try to add those drop down list to the web page not in the report and pass the selected parameters to the report file

Sample code

Private Sub SetReportParameters()
Dim userid As New ReportParameter("userid",
Security.GetUserID().ToString())
Dim p() As ReportParameter = {userid}
ReportViewer1.ServerReport.SetParameters(p)
End Sub

http://www.microsoft.com/technet/prodtechnol/sql/2005/2005ssrs.mspx

http://www.simple-talk.com/sql/learn-sql-server/beginning-sql-server-2005-reporting-services-part-1/

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Tthank you for the reply.

One thing I should have mentioned is that we are using ColdFusion 7 with SQL 2005.
I am still learning a few things about it.
If will try passing in those parameters but I am not sure how it will work with this structure.

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I don't think there is any problem but i cam through great web cast for this hope it helps you

SQL Server Reporting Services for Cold Fusion Developers
https://www119.livemeeting.com/cc/mseventsbmo/view?id=1032256029&role=attend&pw=7933C65D

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Thank you for the link, I have been looking for this video for awhile and all I got was a word document of the webcast.

I will be watching it soon.

I will mark this as answered.