private void PerformExecute()
{
var openNew = !(null != qc && qc.TransactionAlreadyBegun);
if (openNew)
{
qc = new QueryChunk();
qc.Open();
}
qc.AddCommand(QueryInput.Text);
qc.Execute();
if (openNew)
{
qc.Close();
}
}
private void PerformBegin()
{
qc?.Close();
qc = new QueryChunk();
qc.Begin();
BeginButton.IsEnabled = false;
CommitButton.IsEnabled = true;
RollbackButton.IsEnabled = true;
}