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IDbConnection.State Property

  • Reference

Definition

Namespace:
System.Data
Assembly:
System.Data.Common.dll
Assembly:
System.Data.dll
Assembly:
netstandard.dll

Gets the current state of the connection.

public:
 property System::Data::ConnectionState State { System::Data::ConnectionState get(); };
public System.Data.ConnectionState State { get; }
member this.State : System.Data.ConnectionState
Public ReadOnly Property State As ConnectionState

Property Value

ConnectionState

One of the ConnectionState values.

Examples

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());
}

Public Sub CreateOleDbConnection()
    Dim connection As New OleDbConnection()
    connection.ConnectionString = _
       "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Northwind.mdb"
    Console.WriteLine("Connection State: " & connection.State.ToString())
End Sub

Remarks

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.

Applies to