public void PerformDbOperation(DbOperationFlag dbOperationFlag)
{
checkInitialized();
if (dbOperationFlag == DbOperationFlag.None)
{
return;
}
IDbCommandBuilder dbCommandBuilder = GetDbCommandBuilder();
IDbOperation dbOperation = GetDbOperation();
IDbTransaction dbTransaction = null;
IDbConnection dbConnection = dbCommandBuilder.Connection;
try
{
if (dbConnection.State != ConnectionState.Open)
{
dbConnection.Open();
}
dbTransaction = dbConnection.BeginTransaction();
OperationEventArgs args = new OperationEventArgs();
args.DbTransaction = dbTransaction;
if (null != PreOperation)
{
PreOperation(this, args);
}
switch (dbOperationFlag)
{
case DbOperationFlag.Insert:
{
dbOperation.Insert(_dataSet, dbCommandBuilder, dbTransaction);
break;
}
//case DbOperationFlag.InsertIdentity:
// {
// dbOperation.InsertIdentity(_dataSet, dbCommandBuilder, dbTransaction);
// break;
// }
//case DbOperationFlag.Delete:
// {
// dbOperation.Delete(_dataSet, dbCommandBuilder, dbTransaction);
// break;
// }
case DbOperationFlag.DeleteAll:
{
dbOperation.DeleteAll(_dataSet, dbCommandBuilder, dbTransaction);
break;
}
//case DbOperationFlag.Refresh:
// {
// dbOperation.Refresh(_dataSet, dbCommandBuilder, dbTransaction);
// break;
// }
//case DbOperationFlag.Update:
// {
// dbOperation.Update(_dataSet, dbCommandBuilder, dbTransaction);
// break;
// }
//case DbOperationFlag.CleanInsert:
// {
// dbOperation.DeleteAll(_dataSet, dbCommandBuilder, dbTransaction);
// dbOperation.Insert(_dataSet, dbCommandBuilder, dbTransaction);
// break;
// }
//case DbOperationFlag.CleanInsertIdentity:
// {
// dbOperation.DeleteAll(_dataSet, dbCommandBuilder, dbTransaction);
// dbOperation.InsertIdentity(_dataSet, dbCommandBuilder, dbTransaction);
// break;
// }
}
if (null != PostOperation)
{
PostOperation(this, args);
}
dbTransaction.Commit();
}
catch (Exception)
{
if (dbTransaction != null)
{
dbTransaction.Rollback();
}
throw;
}
finally
{
if (dbTransaction != null)
{
dbTransaction.Dispose();
}
//only close and release the connection if not externally-managed
if (!ConnectionManager.HasExternallyManagedConnection)
{
if (ConnectionState.Open == dbConnection.State)
{
dbConnection.Close();
}
ConnectionManager.ReleaseConnection();
}
}
}
public void Dispose()
{
ConnectionManager.ReleaseConnection();
}