internal void DisconnectFromDataReaderAndConnection()
{
// get a reference to the datareader if it is alive
OdbcDataReader liveReader = null;
if (this.weakDataReaderReference != null)
{
OdbcDataReader reader;
reader = (OdbcDataReader)this.weakDataReaderReference.Target;
if (this.weakDataReaderReference.IsAlive)
{
liveReader = reader;
}
}
// remove reference to this from the live datareader
if (liveReader != null)
{
liveReader.Command = null;
}
this.transaction = null;
if (null != _connection)
{
_connection.RemoveCommand(this);
_connection = null;
}
// if the reader is dead we have to dismiss the statement
if (liveReader == null)
{
if (_cmdWrapper != null)
{
_cmdWrapper.Dispose(true);
}
}
}
private void CloseCommandWrapper()
{
CMDWrapper wrapper = _cmdWrapper;
if (null != wrapper)
{
try {
wrapper.Dispose();
if (null != _connection)
{
_connection.RemoveWeakReference(this);
}
}
finally {
_cmdWrapper = null;
}
}
}
private void CloseCommandWrapper()
{
CMDWrapper wrapper = this._cmdWrapper;
if (wrapper != null)
{
try
{
wrapper.Dispose();
if (this._connection != null)
{
this._connection.RemoveWeakReference(this);
}
}
finally
{
this._cmdWrapper = null;
}
}
}