FIX: Error message when you use the Script Wizard to generate scripts for stored procedures in SQL Server 2008 or SQL Server 2008 R2

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Article ID: 979785 - View products that this article applies to.
Microsoft distributes Microsoft SQL Server 2008 or Microsoft SQL Server 2008 R2 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 or SQL Server 2008 R2 fix release.
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SYMPTOMS

In Microsoft SQL Server 2008 or Microsoft SQL Server 2008 R2, you use the Script Wizard to generate scripts for stored procedures in a database. However, you receive the following error message:
There is already an open DataReader associated with this Command which must be closed first. (System.Data)
This problem occurs when the following conditions are true:
  • The database uses a double-byte character collation such as Korean, Chinese, or Japanese.
  • The names of stored procedures contain double-byte characters.
  • The stored procedures have parameters.

CAUSE

The Script Wizard uses the Microsoft .NET Framework functionalities. This problem occurs because the SQL Server database engine and the .NET Framework perform double-byte string comparison in different ways. This behavior causes the SQL Server database engine not to accept the double-byte string that is passed by the .NET Framework.

RESOLUTION

Cumulative update information



SQL Server 2008 R2


The fix for this issue was first released in Cumulative Update 2. For more information about how to obtain this cumulative update package for SQL Server 2008 R2, click the following article number to view the article in the Microsoft Knowledge Base:
2072493 Cumulative update package 2 for SQL Server 2008 R2
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 R2 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:
981356 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 was released

SQL Server 2008

The fix for this issue was first released in Cumulative Update 8 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:
981702 Cumulative update package 8 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.

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:
822499 New 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

Properties

Article ID: 979785 - Last Review: May 5, 2011 - Revision: 3.0
APPLIES TO
  • Microsoft SQL Server 2008 R2 Developer
  • Microsoft SQL Server 2008 R2 Enterprise
  • Microsoft SQL Server 2008 R2 Standard
  • Microsoft SQL Server 2008 R2 Workgroup
  • Microsoft SQL Server 2008 Standard
  • Microsoft SQL Server 2008 Enterprise
  • Microsoft SQL Server 2008 Developer
  • Microsoft SQL Server 2008 Workgroup
Keywords: 
kbexpertiseadvanced kbsurveynew kbfix kbqfe KB979785

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