OdbcConnection.State Property
Definition
Important
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Gets the current state of the connection.
public:
virtual property System::Data::ConnectionState State { System::Data::ConnectionState get(); };
public:
property System::Data::ConnectionState State { System::Data::ConnectionState get(); };
[System.ComponentModel.Browsable(false)]
public override System.Data.ConnectionState State { get; }
[System.ComponentModel.Browsable(false)]
public System.Data.ConnectionState State { get; }
[<System.ComponentModel.Browsable(false)>]
member this.State : System.Data.ConnectionState
Public Overrides ReadOnly Property State As ConnectionState
Public ReadOnly Property State As ConnectionState
Property Value
A bitwise combination of the ConnectionState values. The default is Closed
.
Implements
- Attributes
Remarks
The following are allowed state changes:
From
Closed
toOpen
, using the Open method.From
Open
toClosed
, using either the Close or Dispose method.
Note
Calling the State property on an open connection increases application overhead because each such call causes a SQL_ATTR_CONNECTION_DEAD call to the underlying ODBC driver to determine whether the connection is still valid.
Applies to
See also
Σχόλια
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