/// <summary>
/// 开始事务
/// </summary>
public void BeginTrans(SafeLevel level)
{
if (_trconnection != null)
{
if (_isTransaction)
{
_trconnection.Rollback();
}
_trconnection.Dispose();
}
_isTransaction = true;
if (level == SafeLevel.None)
{
_trconnection = CreateTransactionConnection(SafeLevel.Default);
}
else
{
_trconnection = CreateTransactionConnection(level);
}
_trconnection.Open();
}
