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DbConnection.ConnectionString Property

.NET Framework 4

Other Versions

Gets or sets the string used to open the connection.

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

Syntax

C++

Copy

[SettingsBindableAttribute(true)]
public abstract string ConnectionString { get; set; }

Property Value

Type: System.String
The connection string used to establish the initial connection. The exact contents of the connection string depend on the specific data source for this connection. The default value is an empty string.

Implements

IDbConnection.ConnectionString

Remarks

The exact contents of the connection string depend on the specific data source for this connection. To determine which settings are valid, see the documentation for the specific type of connection that you are using.

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

DbConnection Class

System.Data.Common Namespace

Other Resources

Connection Strings (ADO.NET)

ADO.NET Managed Providers and DataSet Developer Center

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