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SqlConnectionStringBuilder.TypeSystemVersion Property

Gets or sets a string value that indicates the type system the application expects.

Namespace:  System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)

public string TypeSystemVersion { get; set; }

Property Value

Type: System.String
The following table shows the possible values for the TypeSystemVersion property:



SQL Server 2005

Uses the SQL Server 2005 type system. No conversions are made for the current version of ADO.NET.

SQL Server 2008

Uses the SQL Server 2008 type system.


Use the latest version than this client-server pair can handle. This will automatically move forward as the client and server components are upgraded.

The TypeSystemVersion property can be used to specify a down-level version of SQL Server for applications written against that version. This avoids possible problems with incompatible types in a newer version of SQL Server that may cause the application to break.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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