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FIX: A parameter value is replaced by its default value when the parameter is hidden and in a snapshot report in SQL Server 2008 Reporting Services

SYMPTOMS
Consider the following scenario:
  • You have a computer that is running Microsoft SQL Server 2008 Reporting Services.
  • You have a report that has two parameters.One parameter is hidden, and the other parameter is visible. Both parameters have a default value.
  • You create a snapshot for the report.
  • You run the report as a report snapshot by passing in nondefault values to both report parameters. You see that the report correctly shows the values that are passed.
  • You click the View Report button in the report.
In this scenario, you find that the visible parameter uses the nondefault value. However, you find that the hidden parameter uses the default value.
RESOLUTION
The fix for this issue was first released in Cumulative Update 7 for SQL Server 2008 Service Pack 1. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
979065 Cumulative update package 7 for SQL Server 2008 Service Pack 1
Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
970365 The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 1 was released
Microsoft SQL Server 2008 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2008 Service Pack 1 hotfix to an installation of SQL Server 2008 Service Pack 1. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.
WORKAROUND
To work around this issue, you can use one of following methods:

Method 1

Run reports by configuring the parameters in the URL that is created by Report Manager for the report, and then open this URL in a browser. Do this instead of clicking the View Report button in the report.

Method 2

Do not use hidden parameters.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
REFERENCES
For information about the Incremental Servicing Model for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base:
935897 An Incremental Servicing Model is available from the SQL Server team to deliver hotfixes for reported problems


For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
822499New naming schema for Microsoft SQL Server software update packages


For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
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Article ID: 978930 - Last Review: 03/15/2010 12:41:22 - Revision: 1.0

Microsoft SQL Server 2008 Reporting Services

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