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IDbConnection.State Property

Gets the current state of the connection.

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

ConnectionState State { get; }

Property Value

Type: System.Data.ConnectionState
One of the ConnectionState values.

The allowed state changes are:

  • From Closed to Open, using the Open method of the Connection object.

  • From Open to Closed, using either the Close method or the Dispose method of the Connection object.

The following example creates an instance of a derived class, OleDbConnection, sets its ConnectionString, and displays its State.


public void CreateOleDbConnection(){
   OleDbConnection connection = new OleDbConnection();
   connection.ConnectionString = 
       "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Northwind.mdb";
   Console.WriteLine("Connection State: " + connection.State.ToString());
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.

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